providing accurate calculations for 13+ years!

Below you will find descriptions and links to 5 free statistics calculators for computing values associated with the Gamma function.

If you like, you may also use the search page to help you find what you need.

This calculator will compute the gamma function, given the value of the shape parameter z.

This calculator will return the lower incomplete gamma function (i.e., the area under the gamma function from 0 to x), given the upper limit of integration x and the value of the shape parameter s.

This calculator will compute the regularized lower incomplete gamma function, given the upper limit of integration x, and the value of the shape parameter s.

This calculator will compute the regularized upper incomplete gamma function, given the lower limit of integration x, and the value of the shape parameter s.

This calculator will return the upper incomplete gamma function (i.e., the area under the gamma function from x to positive infinity), given the lower limit of integration x and the value of the shape parameter s.