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10.4: Be aware of a Calculator widget bug
Authored by: Ol' Codger on May 24, '05 05:28:31PM

You're so right old fellow! These young whippersnappers just don't understand that it's up to them to get it right! Actually the rules they cite, taught to them in the third grade, were intended to teach them how to simplify an arithemetic equation in a multi-step fassion and do not apply to a binary operation calculator. Evaluate everything within parentheses first and rewrite the simplified equation, apply exponents and rewrite the equation, etc.

The common binary operation calculator is only intended to return a result of a binary operation. Given a new operator followed by a operand (number) followed by another operator will generate a new result and allow for chaining calculations in the order they are fed to the calculator, but this in not a strict application of PEMDAS. Then there is RPN which is another beast alltogether.

I'm amused at the author's conviction of the rightness of his assertion. I suggest he not be so adamant and learn how to utilize the tool at hand, or ... get a tool of his liking.



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