>>>>> "Richard" == Richard Fateman <fateman@cs.berkeley.edu> writes:
Richard> BesselJ[2,3.0000000000000000] in Mathematica is
Richard> 0.4860912605858910769078310941149840346217631456341594 approximately.
What about BesselJ[3.0, 2]? Maxima has the arg first and the order
second.
Ray