This report contains general instructions for use of OMEGA, One dimensional (Streamtube) model for strained-flow Gasifier analysis. It is intended as a companion to Volume I, which describes in detail the equations employed by the code. These instructions will familiarize the user with the input/output aspects of the code. Appendix A contains a full listing of the computer code as utilized at Physical Sciences Inc. The program, written in FORTRAN, has been fully tested on a Prime 400 Computer. Results of the code are presented in Volume I.