Qalculate! is a multi-purpose cross-platform desktop calculator. It is simple to use but provides power and versatility normally reserved for complicated math packages, as well as useful tools for everyday needs (such as currency conversion and percent calculation).




Qalculate! is the most popular Windows, Mac & Linux alternative to Giac/Xcas.
Qalculate! is the most popular Open Source & free alternative to Giac/Xcas.
- Qalculate! is Free and Open Source
- Qalculate! is Lightweight and Privacy focused




















































MATLAB is for numerical computation. Giac/Xcas is more like Mathematica.