Big Algebra 220.127.116.11
Let a Cambridge-educated Mathematician and his American-English son solve your Algebra II questions for you.
* Simultaneous equations in 2 and 3 variables.
* Quadratic equations - with real and complex roots.
* Circle centre and radius from 3 coordinates.
* Parabola centre and radius from 3 coordinates.
We'll be adding more solvers as time goes on, as well as prettying up the explanations...