Class Hierarchy
- java.lang.Object
- org.apache.commons.numbers.gamma.Beta
 - org.apache.commons.numbers.gamma.Digamma
 - org.apache.commons.numbers.gamma.Erf
 - org.apache.commons.numbers.gamma.Erfc
 - org.apache.commons.numbers.gamma.Erfcx
 - org.apache.commons.numbers.gamma.ErfDifference
 - org.apache.commons.numbers.gamma.Gamma
 - org.apache.commons.numbers.gamma.GammaRatio
 - org.apache.commons.numbers.gamma.IncompleteBeta
 - org.apache.commons.numbers.gamma.IncompleteGamma
 - org.apache.commons.numbers.gamma.IncompleteGamma.Lower
 - org.apache.commons.numbers.gamma.IncompleteGamma.Upper
 - org.apache.commons.numbers.gamma.InverseErf
 - org.apache.commons.numbers.gamma.InverseErfc
 - org.apache.commons.numbers.gamma.LanczosApproximation
 - org.apache.commons.numbers.gamma.LogBeta
 - org.apache.commons.numbers.gamma.LogGamma
 - org.apache.commons.numbers.gamma.RegularizedBeta
 - org.apache.commons.numbers.gamma.RegularizedGamma
 - org.apache.commons.numbers.gamma.RegularizedGamma.P
 - org.apache.commons.numbers.gamma.RegularizedGamma.Q
 - org.apache.commons.numbers.gamma.Trigamma