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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

Questions on Super User are expected to relate to computer software or computer hardware within the scope defined by the community. Consider editing the question or leaving comments for improvement if you believe the question can be reworded to fit within the scope. Read more about reopening questions here.If this question can be reworded to fit the rules in the help center, please edit the question.

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

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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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