CAS and stochastic calculus

From: Google Walker (eygoogle_at_yahoo.fr)
Date: 01/26/05 

Date: 26 Jan 2005 03:02:25 -0800

Hello,
Does anyone know if there exist any CAS integrating basic stochastic
calculus functionalities? I'm particularly interested by free
software projects which are working in this direction. I'll also be
interested in how to add it to software like Maxima or Xcas.

Thanks in advance.