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nonpareil is set of applications that simulate some of vintage HP calculators. Version provided for OS X is based on nonpareil 0.77 for Linux - a micro-assembler and simulator package written originally for Linux by Eric Smith.

nonpareil for Mac OS X can simulate following calculators, each of which is available as a separate download from the page linked to above:

  • HP-35
  • HP-45
  • HP-55
  • HP-80
  • HP-21
  • HP-25c
  • HP-32e
  • HP-33c
  • HP-34c
  • HP-37e
  • HP-38e
  • HP-38c
  • HP-11c
  • HP-12c
  • HP-15c
  • HP-16c
nonpareil for Mac more...

What's New

Version 1.0.1:
  • Added support for Mac OS X 10.6
  • All calculators are able to save state.


Mac OS X 10.6 or later

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Current Version (1.x)


Downloads 6,697
Version Downloads 569
License Free
Date 21 May 2012
Platform Intel 64 / OS X / Intel 32
Price Free
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