Tools
(2,681 ratings)

Fixed INTEG behavior when integrand returns non-real.

Fixed DATE+, DDAYS, and DOW when flags 31 and 67 are both set.

Fixed garbage in SHOW when BIN overflows to HEX.

During TRACE, print blank line before LBL, like the HP-41.

When ISG reached zero, the loop control variable would end up having the wrong sign. Fixed.

Added [FIND], [MAX], and [MIN] to the FCN catalog.

Fixed spurious Out of Range in COMB.

ISG and DSE with a named variable would crash if that variable did not exist. Fixed.

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.

Download

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

Variant
Arch
Version
DPI
126 APK
September 20, 2020
arm64-v8a + armeabi-v7a
Android 4.0+
nodpi
All Releases
September 20, 2020
July 5, 2020
April 12, 2020
February 28, 2020
February 22, 2020
January 25, 2020
January 18, 2020
January 13, 2020
October 26, 2019
October 16, 2019
Comments