SymPy Gamma

Input:

limit(tan(x)%2C%20x%2C%20pi/2)

Error:

limit(tan(x)%2C%20x%2C%20pi/2)

limit() missing 2 required positional arguments: 'z' and 'z0'

See what Wolfram|Alpha has to say.

Need more control? Try SymPy Live.