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resources:bestofdiscussions [2017/08/14 00:14]
pier4r [Programming]
resources:bestofdiscussions [2017/08/18 01:04] (current)
pier4r [RPN and stack]
Line 1: Line 1:
 +<wrap info>​~~TALKPAGE~~</​wrap>​
  
 +Here are provided links to insightful discussion about various topics concerning the universe of HP calculators done by the community.
 +
 +====== About calculators and math world ======
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv020.cgi?​read=211822|A link to an essay on the evolution of HP calculators (MoHPC)]] \\ Link to **Computer Structures: Principles and Examples** .
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv020.cgi?​read=211538|About developing professional applications for HP calculators in 2012 (MoHPC)]]
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv020.cgi?​read=203825|Design a simple RPN calculator]]
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv020.cgi?​read=195892|Calculator quality of materials and China]]
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv020.cgi?​read=179068|Searching within forum archives (MoHPC)]]
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv020.cgi?​read=178799|Are calculators held in the hand? (MoHPC)]]
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv020.cgi?​read=177763|Is there any need for just another HP calculator (JAHPC)? (MoHPC)]]
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv020.cgi?​read=177203|Microsoft Mathematics is now free (MoHPC)]]
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv018.cgi?​read=146009|Graphing calculators and education (MoHPC)]]
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv021.cgi?​read=250119|Question about simulation (MoHPC)]]
 +
 +===== Accuracy and precision =====  ​
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv021.cgi?​read=239387|Estimating accuracy in finite precision computations (MoHPC)]]
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv021.cgi?​read=248802|How much accuracy does one actually need? (MoHPC)]]
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv021.cgi?​read=221786|50G precision & accuracy (moHPC)]]
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv020.cgi?​read=203159|Questions about extended precision (MoHPC)]]
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv020.cgi?​read=207801|Double precision registers - What are your feelings? (moHPC)]]
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv019.cgi?​read=154780|High precision calculator (MoHPC)]]
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv015.cgi?​read=84602|Calculator Precision (MoHPC)]]
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv016.cgi?​read=91383|Standard Tests for Calculator Accuracy? (MoHPC)]]
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv019.cgi?​read=157434|Accuracy by chance (MoHPC)]]
 +
 +====== Best of community discussions mainly about 49g and it successors (with rpn/RPL) ======
 +
 +===== Programming =====
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv020.cgi?​read=206765|An approximation of the cosine (MoHPC)]]
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv020.cgi?​read=205071|Multivariable Interpolation (MoHPC)]] + [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv020.cgi?​read=204931|Interpolations for Two and Three Independent Variables (MoHPC)]]
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv020.cgi?​read=203395|Modular exponentiation with a noninteger base (MoHPC)]]
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv020.cgi?​read=187180|About random number generators (MoHPC)]]
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv020.cgi?​read=182786|A fast and compact algorithm for the normal quantile (MoHPC)]]
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv020.cgi?​read=180959|a formula for determining the number of "​partitions"​ (P) for n (MoHPC)]]
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv020.cgi?​read=180091|Symbolic Complex Linear System Solver (HP-28S, HP-48G/GX and HP-50g) (MoHPC)]]
 +  * [[https://​groups.google.com/​forum/#​!topic/​comp.sys.hp48/​MH68vrjpRVY|Time and alarms on Hp50g (comp.sys.hp48)]]
 +  * [[https://​groups.google.com/​forum/#​!topic/​comp.sys.hp48/​hek271hUD-E|Here is a table for how to translate HP48 text characters into Unicode character, which is what modern computers use for text (comp.sys.hp48)]]
 +  * [[http://​www.hpmuseum.org/​forum/​thread-8054.html|userRPL subprograms and directory structure]]
 +  * [[https://​groups.google.com/​d/​topic/​comp.sys.hp48/​84oio2JknbQ/​discussion| DOLIST , MAP and other list operations (comp.sys.hp48)]]
 +  * [[http://​www.hpmuseum.org/​forum/​thread-5053.html|Thread with several links to RPL documentation from hp48 series onwards (MoHPC)]]
 +  * [[http://​www.hpmuseum.org/​forum/​thread-3887-post-35794.html#​pid35794|Hp50g advanced user reference bookmarked discussion (MoHPC)]]
 +  * [[http://​www.hpmuseum.org/​forum/​thread-6437.html|HP50G Launch Solve equation app in a program (MoHPC)]]
 +  ​
 +==== More math than programming ====
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv016.cgi?​read=91633|On "​Albillo Matrices"​ and Matrix analysis (MoHPC)]]
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv016.cgi?​read=99193|Need references for MiniMax polynomial fitting (MoHPC)]]
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv021.cgi?​read=229828|Is Log(1+x) = x / AGM(1, x) correct? (MoHPC)]]
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv021.cgi?​read=245074|Converting to/from IEEE 754 Binary64 (Double Precision) (MoHPC)]]
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv021.cgi?​read=250405|Equation of the parabola given three points (MoHPC)]]
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv021.cgi?​read=250479|Challenge(?​):​ Intersection curve between two cylinders in a specific position (MoHPC)]]
 +
 +==== Regression, prediction, curve fitting and similar ====  ​
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv020.cgi?​read=178215|35s Quadratic Regression (MoHPC)]]
 +  * [[http://​www.hpmuseum.org/​software/​42spoly.htm|HP-42S:​ Polynomial Regression (MoHPC)]]
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv015.cgi?​read=77095#​77255|This program will yield a polynomial curve fit of arbitrary power. But this requires more discussion [...] (MoHPC)]]
 +  * [[http://​www.hpmuseum.org/​software/​41/​polfit.htm|Polynomial curve fitting (MoHPC)]]
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv017.cgi?​read=126867|Curve Fitting for the HP 35s (MoHPC)]]
 +  * [[http://​www.hpmuseum.org/​software/​41/​41lstsq.htm|Least-Squares Approximation for the HP-41 (MoHPC)]]
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv021.cgi?​read=244920|WP34s program submission: Quadratic fit (MoHPC)]]
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv015.cgi?​read=79477|Minimax Polynomial Fit (MoHPC)]]
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv021.cgi?​read=235701|New empirical fit for ln(x) (moHPC)]] \\ a sort of challenge?
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv021.cgi?​read=235440|Excel regression modeling (MoHPC)]] \\ Why? Because a well documented source can be ported!
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv015.cgi?​read=79684| Short & Sweet Math Challenge #11: Who's Next ? (Prediction!) (MoHPC)]]
 +  ​
 +==== Sorting and comparing ====
 +  * [[https://​groups.google.com/​forum/#​!topic/​comp.sys.hp48/​9UfqtX5Rj1Y|On sorting algorithms (comp.sys.hp48)]]
 +  * [[https://​groups.google.com/​forum/#​!topic/​comp.sys.hp48/​3xwfYZmNJ9U|Anyone else notice that comparing strings (or SORTing them) does not work when they are longer than 2047 chars? (comp.sys.hp48)]]
 +
 +==== RPN and stack ====
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv020.cgi?​read=197559|RPN tutorial (MoHPC)]]
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv020.cgi?​read=184373|HP RPN stack permutations graph (MoHPC)]]
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv020.cgi?​read=180140|Putting n stack levels into a string (MoHPC)]]
 +  * [[https://​groups.google.com/​forum/#​!topic/​comp.sys.hp48/​75KnffulHXM|Save unlimited command-line entries [HP49 version] (comp.sys.hp48)]]
 +  * [[http://​www.hpmuseum.org/​forum/​thread-6678.html|Hide soft menus with libraries to have longer stack view (MoHPC)]]
 +
 +==== Numerical integration ====
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv020.cgi?​read=207178|About multiple integration (MoHPC)]]
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv020.cgi?​read=205290|Numerical integration (MoHPC)]]
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv020.cgi?​read=203742|Again numerical integration (MoHPC)]]
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv020.cgi?​read=184588|Numerical Integration:​ HP, TI, etc. (MoHPC)]]
 +
 +==== Find roots ====
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv020.cgi?​read=212154|Find roots of 3rd and higher order equations (MoHPC)]]
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv020.cgi?​read=204359|About a polynomial root solver (MoHPC)]]
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv020.cgi?​read=200973|Solution to the quartic equation on Hp50g fixes (MoHPC)]] + [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv019.cgi?​read=158163| Solution to the quartic equation on Hp50g original (MoHPC)]]
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv020.cgi?​read=191462|Results of new root-seeking methods (MoHPC)]] + [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv020.cgi?​read=190798|question for lyuka and the Ostrowski method (MoHPC)]]
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv020.cgi?​read=190790|A Math Challenge about polynomials (MoHPC)]]
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv020.cgi?​read=180771|Solving a cubic equation using trigonometry (MoHPC)]]
 +  * [[http://​h30499.www3.hp.com/​t5/​Calculators/​Cubic-amp-higher-roots-of-complex-numbers-on-HP50g/​td-p/​5839363|Cubic&​ higher roots of complex numbers on HP50g (HP)]]
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv014.cgi?​read=50442|Question about HP 49G Solver (MoHPC)]]
 +
 +==== I/O ====  ​
 +  * [[https://​groups.google.com/​forum/#​!topic/​comp.sys.hp48/​34MBCfqEyPE|Ascii Import/​Export for SD card application created by John Meyers (comp.sys.hp48)]]
 +
 +==== Plotting ====  ​
 +  * [[http://​www.hpcalc.org/​search.php?​query=SCATTER|I want to connect dots in the scatter plot]]
 +    * [[http://​www.hpcalc.org/​details.php?​id=4650|Scatter49 can connect the dots of a scatter plot]]
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv008.cgi?​read=19474|programming a piecewise function (MoHPC)]]
 +    * [[https://​groups.google.com/​d/​topic/​comp.sys.hp48/​Plfc_uCicBA/​discussion|Graphing piecewise functions (comp.sys.hp48)]]
 +    * [[https://​groups.google.com/​d/​topic/​comp.sys.hp48/​s4AT2YyS5jo/​discussion|Piecewise graphing and ifte question (comp.sys.hp48)]]
 +    * [[https://​groups.google.com/​d/​topic/​comp.sys.hp48/​Skg6QpDydd4/​discussion|Graphing a Piecewise Function on a 49G (comp.sys.hp48)]]
 +    * [[https://​groups.google.com/​d/​topic/​comp.sys.hp48/​XIiAjtSh9vg/​discussion|Piecewise functions and step functions (comp.sys.hp48)]]
 +    * [[https://​groups.google.com/​d/​topic/​comp.sys.hp48/​ZIv5UDxWcHA/​discussion|Piecewise graph (comp.sys.hp48)]]
 +    * [[https://​groups.google.com/​forum/#​!searchin/​comp.sys.hp48/​piecewise%7Csort:​relevance|General search for piecewise functions on comp.sys.hp48]] ​
 +  * [[http://​h30499.www3.hp.com/​t5/​Calculators/​Conic-Plot-on-HP-50g/​td-p/​5887099|Better conic plots (HP)]]
 +  * [[http://​h30499.www3.hp.com/​t5/​Calculators/​plot-complex-function/​td-p/​5854843|plotting complex functions (HP)]]
 +  * [[http://​h30499.www3.hp.com/​t5/​Calculators/​Trace-Function-in-HP50G/​td-p/​5854769|When in the TRACE function of the HP50G, how can one specify an x-value for the calculator to trace to? (HP)]]
 +  * [[http://​h30499.www3.hp.com/​t5/​Calculators/​How-do-I-plot-vector-functions/​td-p/​995981|How do I plot vector functions? (HP)]]
 +
 +==== Practice tasks ====
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv020.cgi?​read=212435|RPN exercises (MoHPC)]] \\ Given two four-digit integer numbers on the stack, write an HP-42S program that returns their product in no more than 20 seconds on a real HP-42S **with restrictions on usable built in functions**.
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv020.cgi?​read=208623|RPN programming exercise - Fibonacci numbers (MoHPC)]] \\ Write a short program on your favorite RPN calculator to display the Fibonacci sequence.
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv020.cgi?​read=206898|Program about time-degrees conversion (MoHPC)]]
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv020.cgi?​read=205184|How many 9-digit numbers containing all the digits 1,​2,​3,​4,​5,​6,​7,​8,​9 are prime numbers? (MoHPC)]]
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv020.cgi?​read=203283|Mini challenge. CEIL / FLOOR in RPN (MoHPC)]]
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv020.cgi?​read=198048|RPN FLOOR and CEIL (MoHPC)]]
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv020.cgi?​read=188443|About Pi (MoHPC)]]
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv020.cgi?​read=187292|Project Euler problem 11 (MoHPC)]]
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv020.cgi?​read=187118|Is there an easy way to determine how many factors a number has? (MoHPC)]]
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv020.cgi?​read=184954|Write a program on whatever HP calculator you want to answer this question: is there a 4-digit number abcd such that... (MoHPC)]]
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv020.cgi?​read=180067|Come up with an RPL program that will transform this string ... (MoHPC)]]
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv020.cgi?​read=178596|if there is a 4-digit number ABCD such that A^B x C^D = ABCD? (MoHPC)]]
 +  * [[https://​groups.google.com/​forum/#​!topic/​comp.sys.hp48/​uur8BkjDlh4|TRIANGLE SOLVER (comp.sys.hp48)]]
 +  * [[https://​groups.google.com/​forum/#​!topic/​comp.sys.hp48/​hIDS2Ze_ey8|Limit of a function of 2 variables (comp.sys.hp48)]]
 +  * [[https://​groups.google.com/​forum/#​!topic/​comp.sys.hp48/​geu0YkcNnoM|Heyland Circle (comp.sys.hp48)]]
 +  * [[https://​groups.google.com/​forum/#​!topic/​comp.sys.hp48/​9bNRhOupd7g|ORTHOGONAL TRAJECTORY (comp.sys.hp48)]]
 +  * [[https://​groups.google.com/​forum/#​!topic/​comp.sys.hp48/​2jukFCU-PnE|How can a subprogram force its main program to end quietly? (comp.sys.hp48)]]
 +  * [[https://​groups.google.com/​forum/#​!topic/​comp.sys.hp48/​f1RXa40Jn7g|You can create an environment where any set of variables is already defined as local (comp.sys.hp48)]]
 +  * [[https://​groups.google.com/​forum/#​!topic/​comp.sys.hp48/​vMVmW27rRVA|Does anyone know how to store variables to specific locations in the soft menu and leave the remaining soft menu locations unassigned? (comp.sys.hp48)]]
 +  * [[https://​groups.google.com/​forum/#​!topic/​comp.sys.hp48/​3t17cvbOxes|Manipulate items in a list (comp.sys.hp48)]]
 +  * [[https://​groups.google.com/​forum/#​!topic/​comp.sys.hp48/​NUmW81UvfYY|Where are the missing system flags? (comp.sys.hp48)]]
 +  * [[https://​groups.google.com/​forum/#​!topic/​comp.sys.hp48/​xi6lBxEI1_w|FOLLOW-UP to “User Equation Library in User-RPL” (comp.sys.hp48)]]
 +  * [[https://​groups.google.com/​forum/#​!topic/​comp.sys.hp48/​FaF5C4WAmgM|I am currently writing a program that merges 3 to 4 numbers into a single line. (comp.sys.hp48)]]
 +  * [[https://​groups.google.com/​forum/#​!topic/​comp.sys.hp48/​Cbd5RRd8unc|I needed a program to read a few 3x3 matrices containing variables,​like N and T how can i substitute their values? (comp.sys.hp48)]]
 +    * [[http://​h30499.www3.hp.com/​t5/​Calculators/​array-of-matrices-operations-on-elements/​td-p/​5863243| array of matrices, operations on elements (HP)]]
 +    * [[http://​h30499.www3.hp.com/​t5/​Calculators/​saving-matrix-to-variable-name-using-HP50g/​td-p/​5825827|saving matrix to variable name using HP50g (HP)]]
 +  * [[http://​h30499.www3.hp.com/​t5/​Calculators/​50g-Output-to-file/​td-p/​5785037|50g - Output to file (HP)]]
 +  * [[http://​www.hpmuseum.org/​forum/​thread-7955.html|Explorations with Hp calculators (MoHPC)]]
 +
 +=== Contests / challenges / competitions ===
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv020.cgi?​read=197720|HHC 2011 Programming Puzzle SPOILERS (MoHPC)]]
 +    * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv020.cgi?​read=197541|HHC 2011 Programming contest #2 (MoHPC)]]
 +    * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv020.cgi?​read=196751|HHC 2011 Programming contest ​ (MoHPC)]]
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv019.cgi?​read=151509#​151772|A lot of Math challenges by Valentin Albillo (MoHPC)]]
 +    * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv021.cgi?​read=250022|More challenges search keys (MoHPC)]]
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv020.cgi?​read=177273|Five-minute challenge (MoHPC)]]
 +  * [[https://​groups.google.com/​d/​topic/​comp.sys.hp48/​pCKgoIgGbko/​discussion|MiniChallenge:​ eliminate same TYPE in a list (comp.sys.48)]]
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv021.cgi?​read=231642|HHC 2012 RPL Programming Contest (moHPC)]]
 +    * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv021.cgi?​read=232136|Mini-challenge:​ HHC2012 RPL programming contest with larger input (MoHPC)]]
 +    * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv021.cgi?​read=232404|HHC 2012 RPN Programming Challenge Conundrum (MoHPC)]] \\ Also, is better to read the works of the others or not? Doubt on reiventing the wheel.
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv021.cgi?​read=248015|write a program to calculate the p-th. root of a matrix (MoHPC)]]
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv021.cgi?​read=236737|Math Challenge I could not solve (moHPC)]]
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv019.cgi?​read=177080|a challenge related to the 15 puzzle (moHPC)]]
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv021.cgi?​read=240057|The commemorative mini-challenge (moHPC)]]
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv018.cgi?​read=144559|Of the 86,400 6-digit times displayed in a day (from 000000 to 235959), how many are prime numbers? (moHPC)]]
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv018.cgi?​read=146101|The number 48 is special in that if you add... (MoHPc)]]
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​articles.cgi?​read=1024|Sum of Digits Divisibility Challenge (moHPC)]]
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv018.cgi?​read=142160|how many decimal digits of pi can you store in memory (MoHPC)]] \\ An interesting link for programming in HPGCC.
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv008.cgi?​read=19664|Useless challenge No. 2 (moHPC)]] \\ Write a program which if number "​1"​ is in the display (X register) would turn it into "​2",​ and if the number "​2"​ is there it will turn it into "​1",​ in as few as possible steps, **without using numeric**.
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv010.cgi?​read=26246|You must try and get the value PI/10 (i.e: 0.3141592654) subject to these conditions... (MoHPC)]]
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv019.cgi?​read=165900|1741^9 is equal to the sum of 9 consecutive prime numbers. What are they? (MoHPC)]]
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv017.cgi?​read=118862|What percentage of light will pass entirely through all panes of glass? (MoHPC)]]
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv019.cgi?​read=159915|contest from the university of Houston 2008 (MoHPC)]]
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv018.cgi?​read=133329|I want to input a number, like 19, and the program must tell me the 4 adjacent numbers ... (MoHPC)]]
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv010.cgi?​read=27688|Develop a short routine to reverse the order of digits in a number (MoHPC)]]
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv019.cgi?​read=176088|sort a list of integers with the odd numbers appearing first and the even numbers appearing second (MoHPC)]]
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv019.cgi?​read=155820|Challenge:​ Keith numbers (MoHPC)]]
 +  * On a search engine //​site:​hpmuseum.org puzzle OR challenge OR contest OR competition//​ (MoHPC)
 +  * University of Houston math contexts containing a section for calculators:​ http://​mathcontest.uh.edu/​
 +===== How the built in functions and mode works (Sort of "more explanations"​ or "​detailed help" or "​several examples"​ for commands) =====
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv020.cgi?​read=212333|When is exact mode not so exact? (MoHPC)]] \\ About **exact mode** on Hp50g.
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv020.cgi?​read=204392|Question about MROOT function (MoHPC)]] \\ The discussion cover also the MSLV.
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv020.cgi?​read=202393|Decimal points after constants in approximation mode (MoHPC)]]
 +    * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv020.cgi?​read=177931|a decimal point after the number. It's a way of overriding the current exact/​approximate mode (MoHPC)]]
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv020.cgi?​read=196704|SOLVE/​SOLVR menu (MoHPC)]]
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv020.cgi?​read=188839|shortcut to RAND function (MoHPC)]]
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv020.cgi?​read=188144|HP 50g - Menus modes (MoHPC)]]
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv020.cgi?​read=188101|100! all the digits (MoHPC)]]
 +    * [[http://​h30499.www3.hp.com/​t5/​Calculators/​Neat-trick-on-50g-for-gt-12-digit-precision-of-pi/​td-p/​5872615|Show more digits of PI (HP)]]
 +    * [[http://​h30499.www3.hp.com/​t5/​Calculators/​HP-50g-trig-calculation-issues/​td-p/​5800207|Numerical calculations always have some sort of limit regarding the number of digits (HP)]]
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv020.cgi?​read=184535|matrix element operations (MoHPC)]]
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv020.cgi?​read=182660|CAS and integration (MoHPC)]]
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv020.cgi?​read=182044|50g won't plot summation function (MoHPC)]]
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv020.cgi?​read=179922|When I'm using the equation library, and in the process of entering a value go to the units menu, how do I get back to where I was in the equation library? (MoHPC)]]
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv020.cgi?​read=179550|Multi page menus/​informas (MoHPC)]]
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv020.cgi?​read=202802|Create an empty list (MoHpc)]]
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv020.cgi?​read=178024|Stack depth (MoHPC)]]  ​
 +  * [[https://​groups.google.com/​forum/#​!topic/​comp.sys.hp48/​0snFcRklJvo|Dynamic menu label tricks (comp.sys.hp48)]]
 +  * [[https://​groups.google.com/​forum/#​!topic/​comp.sys.hp48/​5FzePXExHcE|Angle key to change angle interpretations (comp.sys.hp48)]]
 +  * [[https://​groups.google.com/​forum/#​!topic/​comp.sys.hp48/​fiscxh0dAz4|Solve the formula z = (sin W)-(sin 90)/​X-Y*5729.78 (comp.sys.hp48)]]
 +    * [[http://​h30499.www3.hp.com/​t5/​Calculators/​Solve-An-introduction-to-the-HP-Solve-system-too-for-HP50G/​td-p/​5908183| How to use Solve on the Hp50g (HP)]]
 +    * [[https://​groups.google.com/​forum/#​!topic/​comp.sys.hp48/​Qgi48CYpouY|Can HP50g actually solve cos(z)=0 where z is a complex, for example? (comp.sys.hp48)]]
 +    * [[https://​groups.google.com/​forum/#​!topic/​comp.sys.hp48/​sxNqbI8ls0k|Solve for exponential (50g) (comp.sys.hp48)]]
 +    * [[https://​groups.google.com/​forum/#​!topic/​comp.sys.hp48/​qKZb-_6C6J0|50g ISOL function produces slightly different results for same equation (comp.sys.hp48)]]
 +    * [[http://​h30499.www3.hp.com/​t5/​Calculators/​SOLVE-problem-with-50g/​td-p/​5904057|Why SOLVE gives me different result (HP)]]
 +    * [[http://​h30499.www3.hp.com/​t5/​Calculators/​50g-solver-arithmetic-on-variables/​td-p/​5904533#​.UjWoKdJHJns|Is there a way to perform arithmetic on variables in the numerical solver window? (HP)]]
 +    * [[http://​h30499.www3.hp.com/​t5/​Calculators/​How-to-solve-a-matricial-equation-in-HP-50g/​td-p/​5900217|How to solve a matricial equation in HP 50g? (HP)]]
 +    * [[http://​h30499.www3.hp.com/​t5/​Calculators/​HP-Calc-Difference-between-ISOL-function-and-SOLVE/​td-p/​5894147|HP Calc: Difference between ISOL function and SOLVE? (HP)]]
 +    * [[http://​h30499.www3.hp.com/​t5/​Calculators/​HP-50G-SOLVE-NOT-EXACT-SYSTEM/​td-p/​5819285|Several commands to solve linear systems (HP)]]
 +    * [[http://​h30499.www3.hp.com/​t5/​Calculators/​Alg-Solving/​td-p/​5818591|Solve an equation symbolically (HP)]]
 +    * [[https://​groups.google.com/​d/​topic/​comp.sys.hp48/​4Kk46dRKRqo/​discussion|MSLV Problem for under-determined and non-linear systems (comp.sys.hp48)]]
 +      * [[https://​groups.google.com/​d/​topic/​comp.sys.hp48/​oQFglAJpOUc/​discussion|MSLV vs SolveSys (comp.sys.hp48)]]
 +  * [[https://​groups.google.com/​forum/#​!topic/​comp.sys.hp48/​FPiCf0MzQ_0|The calculator don't store the date of creation of a file (comp.sys.hp48)]]
 +  * [[https://​groups.google.com/​forum/#​!topic/​comp.sys.hp48/​Lzj5tj4dwGM|Explanation of several objects in the calculator: directories,​ strings, programs and so on and how are transferred (comp.sys.hp48)]]
 +  * [[https://​groups.google.com/​forum/#​!topic/​comp.sys.hp48/​OxW83Gp_RbQ|derivative of a trig function yields result with PI/180 multiplier (comp.sys.hp48)]]
 +  * [[https://​groups.google.com/​forum/#​!topic/​comp.sys.hp48/​hCFJHEz3GZ0|I am trying to integrate 1/​(Sqrt(X2)+Sqrt(X1)) by the variable X1 (comp.sys.hp48)]]
 +  * [[https://​groups.google.com/​forum/#​!topic/​comp.sys.hp48/​hpqZHDPqTO4|Problem with HP50G clock (comp.sys.hp48)]]
 +    * [[http://​h30499.www3.hp.com/​t5/​Calculators/​HP-50g-Time-Date/​td-p/​768542#​.UjbJgtJHJns|When I turn my hp50g off the time on it stops (HP)]]
 +  * [[https://​groups.google.com/​forum/#​!topic/​comp.sys.hp48/​ETAf4PP-SfE|DoInputform Choose question (comp.sys.hp48)]]
 +    * [[https://​groups.google.com/​forum/#​!topic/​comp.sys.hp48/​PHrGexl2hR8|DoInputForm and message handlers (comp.sys.hp48)]]
 +    * [[https://​groups.google.com/​forum/#​!topic/​comp.sys.hp48/​kE2hjtiW1vA|how do I set up my message handler to prevent the cursor from moving when I input a number? ​ (comp.sys.hp48)]]
 +  * [[https://​groups.google.com/​forum/#​!topic/​comp.sys.hp48/​IUraL2iD0b8|I need to put data in a matrix, but I do not know how big it will be (comp.sys.hp48)]]
 +  * [[https://​groups.google.com/​forum/#​!topic/​comp.sys.hp48/​WIm-H2dpKME|i am trying to draw grid lines on the graphs with the 50g (comp.sys.hp48)]]
 +  * [[https://​groups.google.com/​forum/#​!topic/​comp.sys.hp48/​4X9odi7lWbk|On an HP49/50 in exact mode, 0 -X MAP places a negative zero on the stack (comp.sys.hp48)]]
 +  * [[https://​groups.google.com/​forum/#​!topic/​comp.sys.hp48/​Le4uclD-eiA|Factoring and Prime Trinomials (comp.sys.hp48)]]
 +  * [[https://​groups.google.com/​forum/#​!topic/​comp.sys.hp48/​LwC9pJUiF90|How do I change -(X-8Y+10) to make it -X+8Y+10? (comp.sys.hp48)]]
 +  * [[https://​groups.google.com/​forum/#​!topic/​comp.sys.hp48/​wTO-ulHMirE|Undocumented features of the CAS MODULO functions (comp.sys.hp48)]]
 +  * [[https://​groups.google.com/​forum/#​!topic/​comp.sys.hp48/​o_o7-J-sF7g|TOFF setting to avoid the customary powerdown that occurs at 5 minutes (comp.sys.hp48)]]
 +  * [[https://​groups.google.com/​forum/#​!topic/​comp.sys.hp48/​q9lh0c14x3c|There are some inverse statistical formulas that the 50g has problems with in RPN mode (comp.sys.hp48)]]
 +  * [[https://​groups.google.com/​forum/#​!topic/​comp.sys.hp48/​JtY4Z5qTfMg|Is there a way to copy the numerical items in a list to the Matrix Writer? (comp.sys.hp48)]]
 +  * [[https://​groups.google.com/​forum/#​!topic/​comp.sys.hp48/​rC0h7xlFH_c|Is there a way to force a positive result when we uses modulo functions ? (comp.sys.hp48)]]
 +  * [[https://​groups.google.com/​forum/#​!topic/​comp.sys.hp48/​AnC_9hWVrJA|Is it possible to use previously stored equations in MSLV? (comp.sys.hp48)]] ​
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv021.cgi?​read=231567|HP50G Equation Writer - What it can & cannot display? (MoHPC)]]
 +  * [[http://​h30499.www3.hp.com/​t5/​Calculators/​HP50G-bad-resolution-in-Graphics-Steps-problems/​td-p/​5907129|Get more accurate plots, given the fact that the screen size is tiny (HP)]]
 +  * [[http://​h30499.www3.hp.com/​t5/​Calculators/​impossible-to-reset-functions-in-graph-menus/​td-p/​5892643|How to reset the list of function in the graph menu, plus what to do if you delete the CASDIR (HP)]]
 +  * [[http://​h30499.www3.hp.com/​t5/​Calculators/​DESOLVE-help-on-HP50g/​td-p/​5894101|How to use DEsolve for differential equations (HP)]]
 +  * [[http://​h30499.www3.hp.com/​t5/​Calculators/​Taylr-Function/​td-p/​5882383|taylor functions/​series (HP)]]
 +    * [[http://​h30499.www3.hp.com/​t5/​Calculators/​Summation-Problems/​td-p/​5845985| Another series problem (HP)]]
 +    * [[http://​h30499.www3.hp.com/​t5/​Calculators/​50G-Summation-function-poor-performance-vs-equivalent-program/​td-p/​5725633|50G Summation function poor performance vs. equivalent program (HP)]]
 +  * [[http://​h30499.www3.hp.com/​t5/​Calculators/​HP50G-inv-Laplace-problem/​td-p/​5887157|About the inverse of the Laplace transformation (HP)]]
 +  * [[http://​h30499.www3.hp.com/​t5/​Calculators/​HP50G-solver-question/​td-p/​5888791|PARTFRAC to solve partial fractions (HP)]]
 +  * [[http://​h30499.www3.hp.com/​t5/​Calculators/​HP50g-display-quality/​td-p/​5874723|Better contrast to display a better quality on the screen (HP)]] ​
 +  * [[http://​h30499.www3.hp.com/​t5/​Calculators/​Simplify-in-eng-sci-mode-on-hp-50g/​td-p/​5857109|Simplify in eng/sci mode (HP)]]
 +  * [[http://​h30499.www3.hp.com/​t5/​Calculators/​Inconsistent-results-of-0-0-in-some-HP-calculators/​td-p/​5846191|Compute 0^0 (HP)]]
 +  * [[http://​h30499.www3.hp.com/​t5/​Calculators/​Calculating-area-bounded-by-two-curves/​td-p/​5826499|Calculating area bounded by two curves (HP)]]
 +  * [[http://​h30499.www3.hp.com/​t5/​Calculators/​ATAN2S-function-in-HP-50g/​td-p/​5820935|ATAN2S function in HP 50g (HP)]]
 +  * [[http://​h30499.www3.hp.com/​t5/​Calculators/​Multivariable-Function-Limit/​td-p/​5771035|How can I calculate a limit of any multivariable function on Hp 50g? (HP)]]
 +
 +===== Calculators tests =====
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv016.cgi?​read=107447|Calculator Benchmark ​ N queens problem (MoHPC)]] \\ See also [[benchmarks:​nqueens]]
 +    * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv018.cgi?​read=132859|Faster 50g/HPGCC3 results (MoHPC)]]
 +    * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv020.cgi?​read=178051|Discussion about Nqueens problem (MoHPC)]]
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv019.cgi?​read=168301|Add Loop benchmark (MoHPC)]]
 +    * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv021.cgi?​read=249904#​249904|New community-maintained version of "​Calculators benchmark: add loop" (Mohpc)]]
 +    * [[benchmarks:​addloop]]
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv021.cgi?​read=249996|A brand new calculator benchmark: "​middle square method seed test" (moHPC)]]
 +    * [[benchmarks:​middlesquare|Middle Square method (wiki4hp)]]
 +  * [[benchmarks:​ultranaiveprimes|Find primes in a very naive way (wiki4hp)]]
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv020.cgi?​read=198840|Determinants of the AM1 matrix (MoHPC)]]
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv021.cgi?​read=219351|WP-34s:​ Speed benchmark (MoHPC)]]
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv021.cgi?​read=214671|The Program simply adds all integers from the entered number down to 1 and displays the result (MoHPC)]]
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv021.cgi?​read=239632|Savage Benchmark. ​ It was useful in the early personal computing era (MoHPC)]]
 +    * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv020.cgi?​read=193816#​193931|More results on savage benchmark (MoHPC)]]
 +  * [[https://​groups.google.com/​forum/#​!topic/​comp.sys.hp48/​edMTAvGDH3k|Hint benchmark (comp.sys.hp48)]]
 +
 +==== Naive comparisons ====
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv020.cgi?​read=211267|HP 39gII and hp50g plot speed (MoHPC)]]
 +
 +===== Algebric/​Natural/​RPN notation =====
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv014.cgi?​read=57528|Why RPN (MoHPC)]]
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv013.cgi?​read=43696|No RPN calcs. anymore?? (MoHPC)]]
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv013.cgi?​read=43770|Mach number - RPN vs. Algebraic (MoHPC)]]
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv019.cgi?​read=175676|RPN and students (MoHPC)]]
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv013.cgi?​read=43888|RPN vs. AOS: //GOOD// examples [LONG] (MoHPC)]]
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv021.cgi?​read=235620|Why RPN, an anecdote (MoHPC)]]
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv020.cgi?​read=205173|About RPL's programs readability (MoHPC)]]
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv014.cgi?​read=59277|A request from Ti side open a RPN conversation (MoHPC)]]
 +
 +===== Calculator specific =====
 +
 +==== Hp 49g+ / 50g ====
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv020.cgi?​read=208809|How a little HP-50g program mutated into an iPhone app (MoHPC)]]
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv020.cgi?​read=202268|graphing/​solving with 50g (MoHPC)]] \\ How do you graph parametric equations? \\ Also how do you solve multiply equations with multiple variables?
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv020.cgi?​read=202047|Hp50g power consumption (MoHPC)]]
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv020.cgi?​read=200565|Do you know, where can I found any documentation on HP-50G CAS (MoHPC)]]
 +    * [[https://​groups.google.com/​forum/#​!topic/​comp.sys.hp48/​drI_k8T9ZHM|I am looking for a comprehensive Help for all HP50g Catalog commands on the device (comp.sys.hp48)]]
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv020.cgi?​read=198845|wanted:​ high-resolution photo of 50g internals (MoHPC)]] + [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv020.cgi?​read=199382|More Photos (MoHPC)]]
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv020.cgi?​read=196992|HP 50g - Good tutorials (MoHPC)]]
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv020.cgi?​read=197366|Open the 49g+ (MoHPC)]]
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv020.cgi?​read=193419|A discussion about RPL programming and HP pascal studio (MoHPC)]]
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv020.cgi?​read=189111|Undocumented 50g shortcuts (MoHPC)]]
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv020.cgi?​read=187384|50g has stopped plotting, how can i solve that? (MoHPC)]] ​
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv020.cgi?​read=178358|50g is not bugfree (MoHPC)]]
 +  * [[https://​groups.google.com/​forum/#​!topic/​comp.sys.hp48/​tzpjXzysXrU|Windows 8 and Conn4x USB (comp.sys.hp48)]]
 +    * [[https://​groups.google.com/​forum/#​!topic/​comp.sys.hp48/​esOjDyjv3D0|Connect HP with USB on windows 7 with new Conn4x USB (comp.sys.hp48)]]
 +  * [[https://​groups.google.com/​forum/#​!topic/​comp.sys.hp48/​6G6JTHYleK0|Sometimes my HP50G turns on inside my backpack (comp.sys.hp48)]]
 +  * [[https://​groups.google.com/​forum/#​!topic/​comp.sys.hp48/​d9Eg0cgX54o|SD support of HP50g specifications (comp.sys.hp48)]]
 +  * [[http://​h30499.www3.hp.com/​t5/​Calculators/​Replacing-Rubber-Nubs-on-HP-50G/​td-p/​2378277|Replacing Rubber Nubs on HP 50G (HP)]]
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv021.cgi?​read=249854#​249854|Documentation about Hp50g / 49g+ / 48gII and wikis (MoHPC)]]
 +  * [[https://​groups.google.com/​forum/#​!topic/​comp.sys.hp48/​bexAGcNPl4Y|On power consumptions of 49g+ and 50g+ (comp.sys.hp48)]]
 +  * [[https://​groups.google.com/​forum/#​!topic/​comp.sys.hp48/​cBBcyrUZ1X0|On battery life and using USB power (comp.sys.hp48)]]
 +  * [[http://​www.hpmuseum.org/​forum/​thread-8035.html|ideas to work with larger-than-memory datasets (MoHPC)]]
 +  ​
 +=== Applications ===
 +  * [[https://​groups.google.com/​forum/#​!topic/​comp.sys.hp48/​bhbEaEXFlXk|Dirmaster (comp.sys.hp48)]] \\ The primary idea behind Dirmaster is to allow directories to be stored in port memory as BZ-compressed self-extracting objects, while being accessed and used as though they were regular directories.
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv020.cgi?​read=210510|HP 50g with HELP for *all* commands integrated into the O.S. (MoHPC)]]
 +  * [[https://​groups.google.com/​forum/#​!topic/​comp.sys.hp48/​-u-A9oP4pJ8|GoferLists - Advanced List Operations library (comp.sys.hp48)]]
 +  * [[https://​groups.google.com/​forum/#​!topic/​comp.sys.hp48/​MFsHVH22uT8|Help me to find a reader file program for hp50g with search function (comp.sys.hp48)]]
 +    ​
 +=== Bugs ===
 +  * [[https://​groups.google.com/​forum/#​!topic/​comp.sys.hp48/​Wi_TP3v-AGk|50G Bug? SIMPLIFY when set to SCI 1 or ENG 1 (comp.sys.hp48)]]
 +  * [[https://​groups.google.com/​forum/#​!topic/​comp.sys.hp48/​cfecKlmM6wI HP49/50 dB bug (comp.sys.hp48)]]
 +
 +=== HpGcc ===
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv020.cgi?​read=198582|HPGCC hints (MoHPC)]]
 +  * [[https://​groups.google.com/​forum/#​!topic/​comp.sys.hp48/​O1rbeHoh3hc|Helps for HPGCC compilation (comp.sys.hp48)]]
 +  * [[https://​groups.google.com/​forum/#​!topic/​comp.sys.hp48/​LG3-hh63pmI|[HPGCC3] Failed to compiled libs (comp.sys.hp48)]]
 +  * [[https://​groups.google.com/​forum/#​!topic/​comp.sys.hp48/​Z4654FXOjts|HPGCC3 and user defined functions interaction (comp.sys.hp48)]]
 +  * [[https://​groups.google.com/​forum/#​!topic/​comp.sys.hp48/​a0YgcdAwNDk|50g warm boot w/hpgcc3 (comp.sys.hp48)]]
 +  ​
 +=== ARM assembly ===
 +  * [[https://​groups.google.com/​forum/#​!topic/​comp.sys.hp48/​YCcYX8McT3w|Conditional Assembly for DEFINE and INCLUDE (comp.sys.hp48)]]
 +  * [[https://​groups.google.com/​forum/#​!topic/​comp.sys.hp48/​AD1YKe96uiA|ARM assembly for HP50g? What's needed? (comp.sys.hp48)]]
 +  * [[https://​groups.google.com/​forum/#​!topic/​comp.sys.hp48/​lyUJbWMqDGQ|Manipulating Busy Annunciator on 49g+/50g (comp.sys.hp48)]]
 +
 +==== Hp 49 series ====
 +  * [[https://​groups.google.com/​forum/#​!topic/​comp.sys.hp48/​l585rHr0Y_Q|Jazz 50G for the HP49G ROM 1.19-6 (comp.sys.hp48)]]
 +
 +==== Hp 48 series ​ ====
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv020.cgi?​read=179656|48G with a lot of ram, how it is possible? (MoHPC)]]
 +
 +==== Hp 39 gII ====
 +  * [[http://​www.hpmuseum.org/​cgi-sys/​cgiwrap/​hpmuseum/​archv020.cgi?​read=209189|Describing the new 39GII (MoHPC)]]
 +
 +====== Best of community discussions mainly about 34s it successors ======
 +<WRAP todo>
 +There are tons of useful discussions about 34s! One or more **34s enthusiasts are needed**. As well as other models (that will need other sections/​pages).
 +</​WRAP>​