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Free42 vs Special Expression Calculator

A side-by-side look at Free42 and Special Expression Calculator. 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
Special Expression Calculator

Special Expression Calculator

Education & Reference

Special Expression Calculator is a software designed to help solve complex mathematical expressions. It provides step-by-step solutions for calculus, algebra, trigonometry, and other advanced math topics.

calculatormathalgebratrigonometrycalculus