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Microsoft's Calculator Plus usually suits my needs, but occasionally, I need to perform calculations such as gross/net interest rates, etc.

Does someone know of a similar, simple application that supports functions?

Thank you.

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closed as off topic by Karan, Brad Patton, Tog, Dave M, 8088 Apr 23 '13 at 16:46

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This sort of question is no on topic to Stack Exchange websites. –  Ramhound Jan 2 '13 at 12:41

2 Answers 2

up vote 1 down vote accepted

You can actually use Google Search's built in graphing calculator.

Another similar alternative is Wolfram Alpha.

For an installed application on Windows, try Speedcrunch speedcrunch.org

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Thanks for the link on Speedcrunch. MS Calculator Plus doesn't even include SQRT :-/ –  OverTheRainbow Jan 11 '13 at 13:57

Take a look at Microsoft Mathematics 4.0. Not ideal due to not including financial functions but you can enter your own equations.

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