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Free42 vs Qalculate!

A side-by-side look at Free42 and Qalculate!. For an in-depth review of either product, follow the links below.

Free42

Free42

Office & Productivity

Free42 is an open-source programmable calculator app designed to emulate the HP-42S calculator. It provides RPN mode, programming capability, expandability via packages, and accurate emulation of the original HP-42S.

emulatorrpnprogrammablehp42sopensource
Qalculate!

Qalculate!

Office & Productivity

Qalculate! is an open-source multi-purpose calculator application for Linux, Windows, and macOS. It includes functions for algebra, calculus, statistics, physics, engineering, finances, and more. With its customizable interface and built-in unit converter, Qalculate! is a powerful tool for students, scientists, and engineers.

mathengineeringphysicscalculator