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

Reference for Citing the Online Calculator

- Soper, D.S. (2023). Probability Density Function (PDF) Calculator for the Chi-Square Distribution [Software]. Available from https://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.

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