Free42 HP-42S Calculator Simulator

HP 42S calculator clone software for Windows.

  • Version: 3.1.1
  • Size: 4.32 MB
  • License: Freeware
  • Language: English
  • Platform: Windows
  • File Type: ZIP
  • Developer: Thomas Okken
  • Category: Utilities/Others
  • Update: 2023-11-29

Free42 is an HP 42S calculator clone software for Windows. It brings all the functionality of the original scientific calculator created in 1988.

It is an excellent way to replace the original calculator that is often needed at universities or even in certain professions that require this calculator.

This is the Windows version. On the developer's website you can also find versions for iOS, Android, MacOS and Linux.

Old versions

Free42 HP-42S Calculator Simulator


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