Online Integral Step-By-Step Calculator calculus:
[✔] A indefinite integral
[✔] A definite integral
[✔] A improper integral

Calculator 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.