CADSIM Plus is chemical process simulation software which allows you to draw a process flowsheet while creating a process simulation model. It is an engineering tool that can balance flowsheets and simulate dynamic conditions. CADSIM Plus combines a comprehensive computer assisted drawing (CAD) front end with a first-principles dynamic chemical process simulator. Pulp and Paper MillCADSIM Plus uses first-principles process simulation to perform precise heat and material balances of any chemical process.