IMSL Fortran Math Special Functions Library
Chapter 1: Elementary Functions
Routines
 
Evaluates the argument of a complex number, CARG
Evaluates the cube root of a real or complex number, CBRT
Evaluates (ex â€‘ 1)/x for real or complex x, EXPRL
Evaluates the complex base 10 logarithm, log10z, LOG10
Evaluates ln(x + 1) for real or complex x, ALNREL