Expect A Standard Calculator To Work?

Jul 16, 2010

I was thinking of developing a free online calculator in flash. It would be a standard calculator with basic functions like "+", "-", "*" etc. and an advanced calculator with more functions which would be similar to the scientific pocket calculator.

And I have a dilemma regarding the standard calculator. It's about the way it does the calculations. How would you expect a basic calculator (not an advanced one) to calculate this expression: 1+2*3 equals 7 or 9? On paper the result is clearly 7 but basic pocket calculator calculates the expression in line, unaware of the higher priority operators and give you 9 as a result to the expression above.

In the advanced version of the online flash calculator this expression would equal 7 but I have doubts about what people expect from a basic calculator.

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