Calcpad
A free software for mathematical and engineering calculations
Calcpad helps engineers to create clear and traceable calculation notes. It supports real and complex numbers, phasors, units of measurement, custom variables and functions, vectors and matrices, numerical methods, function plotting, conditional execution, iterations, etc. Results are collected into professional looking Html reports for viewing and printing. You can also export them to .docx (MS Word) and .pdf files. You can also create dynamic vector drawings and animations to visualize your data.
After installation, you will find a lot of examples for solving different mathematical, mechanical and structural/civil engineering problems in your documents folder. ...