Cumulative Distribution Function Calculator
- Gamma Distribution -

   Define the Gamma variable by setting the shape (k) and the scale (Θ) in the fields below. Click Calculate! and find out the value at x of the cumulative distribution function for that Gamma variable.

The Cumulative Distribution Function of a Gamma random variable is defined by:

       where γ(k, x/Θ) denotes the lower incomplete gamma function..