3D graphics, embedded real time systems, unix, linux. ..
Over 23 years experience in software development and design. Java, Python, C#/C/C++, Tcl/Tk, XML, XSLT VTK, Matplotlib, Scipy, Numeric, Blender. Parallel Systems Programming. Real Time Systems Design & Programming User interface Software Development Wrote books on JavaScript, ActiveX, Linux, Perl, Tcl and UNIX shell programming. Articles in Dr. Dobbs and other scientific publications