Operating Systems: WINDOWS NT, UNIX System V, AIX, DOS, and MVS
Statistics: SAS, SPSS
General purpose: VB, VBA, FORTRAN, C/C++
Database: ACCESS, SQL
Simulation: GPSS, EXTEND
Matrix generators: OMNI (Haverly Systems Inc.), GAMS
Optimizers: MPSX, OSL, and CPLEX
Worksheets: EXCEL, LOTUS
GIS: ArcView, ArcLogisticsRoute
Process Mapping: SADT, IDEF, CPN, Saint-Gobain proprietary CASE tools.
Qualitative Analysis: NUD*IST