Function Packages

Scaled complementary error function.

Inverse error function.

Natural exponential function.

Base 10 exponential function.

Base 2 exponential function.

Compute exp(x) - 1.

Relative error exponential.

Evaluate a factorial.

Evaluate the double factorial.

Evaluate the natural logarithm of the factorial function.

Compute the falling factorial.

Exponential function.

Compute the nth Fibonacci number.

Compute the Fibonacci number index.

Return a double-precision floating-point number with the magnitude of x and the sign of x*y.

Return a single-precision floating-point number with the magnitude of x and the sign of x*y.

Dirichlet eta function.

Modulus function.

Math iterators for special functions.

Function.