Free42 app for iPhone and iPad

4.6 ( 1856 ratings )

Utilities
Developer: Thomas Okken

Free

Current version: 3.1.8a, last update: 3 months ago
First release : 05 Nov 2009
App size: 6.83 Mb

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.