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Implemented VARMNU1: Improved VARMENU, with immediate variable selection and EXIT trapping.

Implemented X2LINE and A2LINE: Insert contents of X or ALPHA into a program.

INDEX or EDITN on a local matrix now preserve IJ if a matrix was already indexed.

RTNERR now accepts string arguments, so arbitrary error messages can be raised.

Implemented ERRNO and ERRMSG: Return the error number or message, for the last error caught by flag 25.

Implemented XSTR: Create string directly in the X register.

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.


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

3.0.3 APK
April 29, 2021
arm64-v8a + armeabi-v7a
Android 4.0+
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