Description

Free42 is an open-source, software application and development platform. It is a complete, cross-platform calculator system, designed to emulate the classic HP-42S and HP-15C calculators. It includes a wide range of features, including an interactive keyboard, a multi-line display, and support for most of the features of the original calculators. It also includes a library of functions for manipulating numbers and data, and for creating powerful programs for scientific, engineering, and financial calculations. Free42 is available for Windows, Mac, and Linux, as well as for mobile devices such as the iPhone, iPad, and Android. Free42 is free to download and use, and is constantly being updated with new features and bug fixes.

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