Find out how to solve simultaneous equations using a graph in this Bitesize KS3 maths video.

Quick Answer Mathematics is a complete calculator app which allows you to plot graphs, solve 2 variable equations, do polynomial expansions, solve matrices, perform unit conversions, solve ...

The graphs are fully functioning, and you can even zoom in and move the graph to observe intersection points or change values of parameters in your equations. And, for those times when graphs get too ...