The calculator supports definite and indefinite integrals (antiderivatives) as well as integrating functions with many variables. With the Integral Calculator you can check your solutions to calculus exercises. It doesn't show a step by step integration and is not meant to be used for cheating!
Free online 2D graphing calculator that can plot explicit, implicit, polar and parametric graphs with different styling. It can also graph arbitrary inequalities or system of inequalities (not only linear).