BESSEL
This is part of the function module

Calculate the value of a Bessel function.

Examples
Glossary of keywords and components
Compulsory keywords
ORDER ( default=0 ) the order of Bessel function to use. Can only be zero at the moment.
Options
ARG the input to this function. You can use multiple instances of this keyword i.e. ARG1, ARG2, ARG3...