used by people in more than 220 countries!

Below you will find a complete set of details for 2 different references / citations that are related to the computation of cumulative distribution function (CDF) values for the chi-square distribution.

Reference for Citing the Online Calculator

- Soper, D.S. (2020). Cumulative Distribution Function (CDF) Calculator for the Chi-Square Distribution [Software]. Available from http://www.danielsoper.com/statcalc

Reference from the Scientific Literature

- Abramowitz, M. and Stegun, I.A., eds. (1965). Handbook of Mathematical Functions. New York, NY: Dover.

Related Resources