SymPy Gamma

SymPy:

summation (f,(i,a,b))

$\sum_{i=a}^{b} f$

Result:

$f \left(- a + b + 1\right)$

Plot:

Roots:

solve(f*(-a + b + 1), f)

$f =$

diff(f*(-a + b + 1), f)

$\frac{\partial}{\partial f} f \left(- a + b + 1\right) =$

series(f*(-a + b + 1), f, 0, 10)

See what Wolfram|Alpha has to say.

Want to compute something more complicated? Try a full Python/SymPy console at SymPy Live.