Online Integral Step-By-Step Calculator calculus:[✔] A indefinite integral[✔] A definite integral[✔] A improper integralCalculator support one-sign-symbols and some math functions: exp, sin, cos, tan and other.For example:x*exp(-b*x^2)(1+x)^n/(1-x)sin(a*x)/cos(2*a*x)and other.