Software package for simulation of gasdynamics phenomena in pipelined systems; makes specific emphasis on modeling the gas-exchange and performance of piston engines by realistic prediction of pressure wave action.
SMTP proxy server based spam filter that sits between the internet and your mail server. Incoming mail is accepted from the open internet, checked for spam, and is then delivered to your existing SMTP mail server. Freeware for non commercial use.
Don't spent hours writing a program for some programmable calculator while MtrxCal can perform the same calculations with just a few simple lines. Don't waste time trying to find the right maximum and minimum values for plotting your functions.