Free42

2,277

Free42 is a re-implementation of the HP-42S calculator and the HP-82240 printer.
It is a complete rewrite, not using any HP code, and it does not require an HP-42S ROM image.
Free42 is an Open Source project. The executables and source code are released under the terms of the GNU General Public License, version 2.
All third-party code used in Free42 is either in the public domain, or licensed under terms compatible with GPLv2, or used with the authors' permission.
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4.8
2,277 total
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What's New

The screen update logic in the previous release was incorrect and caused the app to appear unresponsive on many devices. Fixed.

Enabled non-integral display scaling.

Added setting in Preferences to choose whether to stretch skins to fill the screen, or to stretch them only to fill the available width, while maintaining their original aspect ratio.
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Additional Information

Updated
March 18, 2019
Size
3.9M
Installs
100,000+
Current Version
2.0.24h
Requires Android
2.2 and up
Content Rating
Everyone
Permissions
Offered By
Thomas Okken
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