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This site [1] reveals the secret to that pocket calculator shortcut and a few others, and also provides useful algorithms for calculating things such as square
by pushedx 13y ago
This site [1] reveals the secret to that pocket calculator shortcut and a few others, and also provides useful algorithms for calculating things such as square roots and logarithms.
[1] http://tedmuller.us/Math.htm http://tedmuller.us/Math.htm
- jloughry 13y agoWonderful! That site gives tests that can be performed from the keyboard to distinguish between Casio and non-Casio architectures, mentions the invisible 9th digit of precision, and notes that some calculators get it wrong. The old Sinclair pocket calculators had some known arithmetic inaccuracies.