| g01gcc | Computes probabilities for the non-central χ2 distribution |
| g01jcc | Computes probability for a positive linear combination of χ2 variables |
| g01jdc | Computes lower tail probability for a linear combination of (central) χ2 variables |
| g05lcc | Generates a vector of random numbers from a χ2 distribution, seeds and generator number passed explicitly |
| g08cgc | Performs the χ2 goodness of fit test, for standard continuous distributions |
| g11aac | χ2 statistics for two-way contingency table |
| g13dnc | Multivariate time series, sample partial lag correlation matrices, χ2 statistics and significance levels |