The following formula is involved in the calculation of lower incomplete gamma function values:
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Lower incomplete gamma function:
where x is the upper limit of integration and s is the value of the shape parameter.
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The following references can be used to cite this lower incomplete gamma function calculator:
| Soper, D.S. (2013). Lower Incomplete Gamma Function Calculator [Software]. Available from http://www.danielsoper.com/statcalc |
| Abramowitz, M. and Stegun, I.A., eds. (1965). Handbook of Mathematical Functions. New York, NY: Dover. |