Evaluates the gamma cumulative distribution function.

Evaluates the incomplete gamma function.

Evaluates the complementary incomplete gamma function.

This function evaluates the inverse of the gamma cumulative distribution function.

Evaluates the Tricomi form of the incomplete gamma function.

Evaluates the real or complex gamma function, Γ(x).

This function evaluates the gamma probability density function.

Evaluates the reciprocal of the real or complex gamma function, 1/Γ(x).

Evaluates a general continuous cumulative distribution function given ordinates of the density.

Evaluates the inverse of a general continuous cumulative distribution function given ordinates of the density.

Evaluates the discrete geometric cumulative probability distribution function.

Evaluates the inverse of the geometric cumulative probability distribution function.

Evaluates the discrete geometric probability density function.

Evaluates the inverse of a general continuous cumulative distribution function given in a subprogram.