Eigenmath DS

Eigenmath DS is a free computer algebra system for Nintendo DS

The aim of this project is to have a free CAS  comparable to commercial systems such as Texas Instruments or HP calculators.

The system was designed for the manipulation of symbolic algebraic expressions.

Some features:
Natural result display two-dimensional mathematical form.
Manipulation of mathematical expressions in symbolic form.
Plotting graphs and parametric plots of functions in two dimensions.
Simplification to the smallest possible expression.
Solution of linear equations
Indefinite and definite integration, including multidimensional integrals.
Matrix operations including products, inverses, etc.

New features of v1.0:   

Natural display format for relational, exponential, matrix results.
Support for multiple mathematical function graphs.
Script mode with cursor support, specially designed to edit large expressions. 
Text zoom to see large results.
Catalog of functions.
The traditional keypad with second mode keys.
The standard keyboard.

Recommendations for a better usage:
If the results are too big to display in normal font size, press button start or try the tty terminal mode.

For a large formula or a big matrix use the script mode, that is less tedious to correct the values.

The command clear, clear all previous operations, asignations, results and clear the graph area except the script mode window.
Don't forget, there is special funtions for matrix operations like dot, inv. For matrix operations isn't are equal a*b that dot(a,b) or a^-1 and inv(a) .

Read the file readme.txt from the distribution zip file.

Visit the official blog and please let me know about how you are use the system.
Visit the desktop Eigenmath web site.