Calcpad uses simple and intuitive programming language. It supports real and complex numbers, variables, functions, units of measurement, plotting, numerical methods, conditions, loops, macros and modules. The results are collected automatically into professionally looking Html reports. You can also export them to docx and pdf file formats.
GNU Octave - GNU Octave is a programming language for scientific computing.
MATLAB - A high-level language and interactive environment for numerical computation, visualization, and programming
Wolfram Mathematica - Mathematica has characterized the cutting edge in specialized processing—and gave the chief calculation environment to a large number of pioneers, instructors, understudies, and others around the globe.
PTC Mathcad - PTC Mathcad PTC Mathcad is Engineering Math Software That Allows You to Perform, Analyze, and Share Your Most Vital Calculations.
Maxima - Maxima is a fairly complete computer algebra system written in Lisp with an emphasis on symbolic computation.
SMath Studio - Tiny, powerful, free mathematical program with WYSIWYG editor and complete units of measurements support.