Collected Special Functions.
In the following list of procedures, and .
Procedures:
ei: Exponential integral
e1: Exponential integral or
besselj0: Bessel function of the first kind of order zero
besselj1: Bessel function of the first kind of order one
bessely0: Bessel function of the second kind of order zero
bessely1: Bessel function of the second kind of order one
hyp2f1: Gauss hypergeometric function
struveh0: Struve function
struveh1: Struve function