Systems of Equations Resources

Best of the Web. Picked by our PhDs

Games and Tools

Crazy 3D Equations

This is a neat 3D function grapher and allows you to see functions in 3D space. This is helpful in visualizing an equation that has an x, y, and z variable.

For All Those Graphing Calculator Fanaticts

Graph lines, inequalities, systems of equations, this calculator can do it all.

Hoop Shoot

Baller! Play some hoops with this Systems of Equations game modeled after a basketball game. This game can take 2 or 4 players.

You Do the Matrix Math

Do you want to double check your matrix calculations? Here's a nice online matrix calculator that has everything including transpose and inverse matrix operations.

Matrix Calculations Aren't Just for TI-84's Anymore

Here's another matrix calculator if you don't have a calculator that can do matrix operations. This one is very user-friendly!

Matrix Row Operation Tool

This coolio toolio can do elementary row operations on a matrix! It was developed at Hofstra University and allows you to type in a matrix, multiply rows by a number and add to different rows. It will even reduce the matrix and swap rows.

Websites

These Guys Know Math

This is the gold standard for calculating things and crunching numbers. Wolfram Alpha can even take an algebraic fraction and decompose it into partial fractions.

Matrix Math Walk-Through

The folks at hotmath explain elementary row operations. This will be helpful if you need some more examples when solving systems of equations with matrices.

Fraction Decomposition

Here's a step by step guide on how to decompose partial fractions – for dummies. Yet another link to help develop your knowledge of this complicated topic.

When Equations Get Non-Linear

Paul has some good notes here about solving systems of non-linear equations. He delves into some advanced problems involving complex roots.