Skip to content

Calculator++ vs Free42

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

Calculator++

Calculator++

Office & Productivity

Calculator++ is a free, open-source calculator application for Windows. It provides standard calculator functions as well as scientific, programmer, date calculation, and converter tools. Key features include customizable skins, history, memory functions, special constants, and the ability to create user-defined functions.

calculatormathscienceconverterprogrammer
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

Related Comparisons

Microsoft Calculator Plus
Engineering Calculator
Simple Calculator
eCalc Scientific Calculator
Solve - A colorful calculator