Evaluates the complex arc cosine.

Evaluates the real or complex arc hyperbolic cosine.

Evaluates the Airy function.

Evaluates the derivative of the Airy function.

Evaluates the Airy function of the second kind.

Evaluates the exponentially scaled derivative of the Airy function.

Evaluates the Kelvin function of the second kind, kei, of order zero.

Evaluates the Kelvin function of the second kind, kei, of order one.

Evaluates the derivative of the Kelvin function of the second kind, kei, of order zero.

Evaluates the Kelvin function of the second kind, ker, of order zero.

Evaluates the Kelvin function of the second kind, ker, of order one.

Evaluates the derivative of the Kelvin function of the second kind, ker, of order zero.

Evaluates the cumulative distribution function of the one‑sided Kolmogorov‑Smirnov goodness of fit D+ or D− test statistic based on continuous data for one sample.

Evaluates the cumulative distribution function of the Kolmogorov‑Smirnov goodness of fit D test statistic based on continuous data for two samples.

Evaluates the natural logarithm of the complete beta function for positive arguments.

Returns the logarithm of the absolute value of the gamma function and the sign of gamma.

Evaluates the logarithmic integral.

Evaluates the lognormal cumulative probability distribution function

Evaluates the inverse of the lognormal cumulative probability distribution function.

Evaluates the lognormal probability density function.

Evaluates ln(x + 1) for real or complex x.

Retrieves single‑precision machine constants.

Evaluates the standard normal (Gaussian) cumulative distribution function.

Evaluates the normal probability density function.

Evaluates the inverse of the standard normal (Gaussian) cumulative distribution function.

Evaluates the complex arc sine.

Evaluates the sinh−1 arc sine x for real or complex x.

Evaluates the complex arc tangent.

Evaluates the complex arc tangent of a ratio.

Evaluates tanh−1 x for real or complex x.