GASSIM is a program for teachers of kinetic theory, thermodynamics and statistical mechanics. It simulates the motions and interactions of up to 1000 molecules in a 2D box. Licenced versions are available from: IME Software P.O. Box 1153 Toowong QLD 4066 AUSTRALIA Ph/Fax: +617 3870 2317 Current prices are: Single user licence AUS$30 Site licence AUS$75 This is a list of all the files needed for the evaluation copy of GASSIM. GASSIM.EXE GASSIM.HLP KINEMAT.SIM ADIAB.SIM MFP.SIM BROWNIAN.SIM PISTON.SIM ESCVAC.SIM DIFFHOLE.SIM GRAVITY.SIM SPDDIST.SIM DIFFMASS.SIM SEPSPEC.SIM EX0.SIM TWOSPEC.SIM