Edit equations right on the screen with your mouse, and never make a mistake. Guide the program through any complex algebraic manipulation, and let it handle the tedious details. Many other features!
I couldn't get it to solve v*t_B+C*t_B=L*sqrt(1-(v^2/C^2))/2 for t_B or C Now I can't get it to solve x/6=10 Something must be wrong.
This is the PERFECT tool for manipulating equations while doing long derivations.