Calculators

Graphing calculator for functions, geometry, algebra, calculus, and statistics.geogebra.com

Write, edit, and solve any equation by drawing any operation on a touch screen device.myscript.com

Utterly brilliant optical calculator that can interpret and solve any equation.photomath.net

Calculates answers and provides easytounderstand explanations to math problems.webmath.com

Computes answers using builtin algorithms and a growing collection of data.wolframalpha.com

Currency and foreign exchange calculations using live, midmarket rates.xe.com