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cs-41 RPN calculator is a remake of the amazing HP-41C/CV series of Hewlett-Packard RPN programmable calculators. It contains near all the built-in functions found in the original HP-41C (including sounds) and the ability to save and restore ilimited programs in "module" files, so you can modify routines, start new ones, erase the calculator's memory, quit and reopen the app without worry - the saved modules will remain intact to be restored when you need them.

What's New

Version 6.3:

Note: Now requires OS X 10.9 or later

  • Fixed an issue that prevented to reset the memory or load module files under OS X 10.10 Yosemite
  • A few improvements in the appearance


  • OS X 10.9 or later

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Current Version (6.x)


Downloads 1,279
Version Downloads 268
License Demo
Date 30 Jan 2015
Platform OS X / Intel 32
Price $9.60
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