Tools
(2,707 ratings)

Fixed pasting of 1/X and 10^X without line number.

Updated HEADING implementation so it works on phones that no longer provide the old compass API.

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.

See available APKs
There's a more recent version available below!
Download

This release may come in several variants. Consult our handy FAQ to see which download is right for you.

Variant
Arch
Version
DPI
124 APK
April 12, 2020
arm64-v8a + armeabi-v7a
Android 4.0+
nodpi
All Releases
November 25, 2020
November 23, 2020
October 25, 2020
September 20, 2020
July 5, 2020
April 12, 2020
February 28, 2020
February 22, 2020
January 25, 2020
January 18, 2020
Comments