Learn about how to solve simultaneous equations graphically, with this BBC Bitesize Maths article. For students between the ages of 11 and 14.

Excel can solve equations through several of its mathematical functions, but the single Excel tool that works on the largest variety of equations is the program's Solver Add-in.

VideoMath is one of the hardest subjects in school, which is why owning a graphing calculator seems like a necessity for students. But what if you could use your smartphone to solve equations by ...