TVH-72g Graphing Calculator - TVH-72g Graphing Calculator is a low-cost introductory & disposable graphing calculator for the educational use of schools and students who may have difficulty, are unable or may not wish to acquire a stand-alone feature-laden graphing calculator

Linalgo - offers basic functionality for linear algebra, such as determinant, rank, matrix addition and multiplication, inverse matrix, LU-Decomposition as well as solving linear systems.
What's New in This Release:
· Migrated from NetBeans to pure source code.
· Matrices can be edited in ONE window. No switching is needed to change a value anymore

The program TouchMaths (for touchscreen mobile phones) contain a set of revolutionary mathematical applications (Professional Calculator, Graph 2D, Function solver, Integral solver, Equation solver and Linear system solver)

With Algeo, you can easily plot functions, find their intersections, derivatives, etc. You can solve equations as well. Some other features: calculates Taylor-series, builtin hyprebolic functions, and matrix operations

matrixmobile linear equations application compatible with most java enabled cell phones. It helps you solving systems of linear equations up to 9 unknown, working with matrices (inverse, transpose, multiply)

Solve2Go - supports solving equations and inequalities by means of conjectures based on visual thinking. Conjectures can be refuted or supported by examples provided by the tool, and should be proved using symbolic manipulations on paper.
Equations: when we want to know for which values of x the two functions are equal