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MPCalcRB is a multi-precision RPN calculator built using Real Studio and the developer's MPCalc Plugin. It can handle numbers with up to 30,000 decimal digits. As floating point numbers, the magnitude of the exponent can be very large, of the order of 40,000,000 or so. In addition to the usual mathematical functions there is support for Bessel functions, Error functions, Fresnel Integrals, etc. The Help menu describes them.

What's New

Version 5.0:
  • Allows separate choices for internal and output precision.


OS X 10.5 or later

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piquadratpi2 Member IconReview+108

For a calculator this is a wonderful and very useful program. It shouldn't be compared with maple or mathematica, because it has another purpose: being a calulator and not a symbolic algebra system! I use it often for testing situations where big numbers are necessary - probability calculations and random experiments. Wonderful for me and easy to use. Thank you so much Bob!

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Version 5.0
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> 5 1


Current Version (5.x)


Downloads 3,645
Version Downloads 246
License Free
Date 25 May 2013
Platform OS X / Intel 32
Price Free
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