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Bug List (confirmed and unconfirmed)

Firmware v7.21.2008

Firmware v7.21.2008 was first distributed with the HP SDK, and is not currently known to be provided on any unmodified HP-20b.


  • LOG (logarithm) issue from v6.24.2008 has been fixed.

Firmware v6.24.2008

Firmware v6.24.2008 seems to be the most current version floating around unmodified HP-20b's in the field.


  • LOG (logarithm) of values greater than 1016 or less than 10-16 return incorrect results. (Confirmed)

See Also

20b/bugs.txt · Last modified: 2008/08/01 21:54 by bruceb