Tools for building fast, hackable, pseudospectral equation solvers
Framework for numerical computations, data analysis and visualisation
Constructing and optimizing general mathematical and physical models
Surface Explorer 3D plots mathematical surfaces in 3D.
Numerical models for chemical and process engineering
Performs dimensional analysis from cells in a spreadsheet.
Reor is a winsome calculator with loads of functions, by Ajay Menon.
JBernstein: Exploration techniques for non-linear constraint checking
Calculator that takes care of measurement units.
LIME is a software tool for creating multiphysics simulation codes.