This directory contains examples of Fortran 77 programs that use Cantera. The programs are: ctlib An example showing how to write subroutines that emulate those of the Chemkin CKLIB library. isentropic Mach number vs. area ratio for isentropic flow. Both of these use the "demo_f77" library that demonstrates one simple scheme to handle interfacing Fortran 77 and C++. Additional functions can be added to this library as needed.