Free42 is a re-implementation of the HP-42S calculator and the HP-82240 printer.
This is a complete rewrite that does not use any HP code and 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 codes used in the Free42 are either in the public domain or licensed under terms compatible with GPLv2, or used with the author's permission. Various skins are also available.
- SOLVE is now trying harder when secantial extrapolation is stuck due to the shank being too steep.
- 0 ^ 0 now returns invalid data, not 1
- iPhone version: added basic iPhone X support.
- OS X 10.6 or later
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