Problem with NIntegrate evaluating to non-numerical value
782
What are the most common pitfalls awaiting new users?
154733
NIntegrate evaluates its 1st argument while it has the attribute HoldAll?
142854
Convergence of Integrals - A Problem
119700
Integrating real valued functions
89601
Rusty at complex integrals, finding error in steps
34368
Problem when integrating $e^x / x$.
82719
Double application of NIntegrate produces unexpected error messages
148914
Total Variation and indefinite integrals
45938
Problems with numpad operators
11678
Indeterminate expression 0^0 encountered
144023
Indefinite integral which is not differentiable
63137
Problem with Indefinite Integral $\int\frac {\cos^4x}{\sin^3x} dx$
147178
Why does the odd part of the function integrate to $0$?
62678
NIntegrate error bound
49203
Evaluating $\int \sqrt{1 + t^2} dt$?
59532
Evaluation of this integral.
103374
A Problem on Improper Integrals