Calcpad is a lightweight mathematical platform for cloud and desktop. It parses simple text scripts and converts them into professional Html reports. Supports complex numbers, variables, functions, graphing, units and numerical methods.




The best Spreadsheet alternative to PTC Mathcad is Calcpad, which is both free and Open Source. If that doesn't work for you, our users have ranked more than 25 alternatives to PTC Mathcad, but unfortunately only two of them are Spreadsheet Apps.
Calcpad is a lightweight mathematical platform for cloud and desktop. It parses simple text scripts and converts them into professional Html reports. Supports complex numbers, variables, functions, graphing, units and numerical methods.




Blockpad is spreadsheet software re-imagined for engineering calculations. It's primarily a word processor where you enter formulas that appear in math notation. It also includes units intelligence, spreadsheet tables, sketching, solvers, and more.




It supports units of measurement, vectors and matrices, but is ligthweight, free and open source.