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From brilliant.org 1):
How do you solve this (mainly with your calculator, we are a calculators community!) ?
Pier Aiello
Pier Aiello - solution (not satisfying) quickchallenge17092013.piera.pdf
How do you solve this (mainly with your calculator, we are a calculators community!) ?
Pier Aiello
Pier Aiello - solution quickchallenge.092013.complexsolutionsnonlinearsys.pdf