This program accompanies the paper Transverse knots distinguished by Knot Floer Homology by L. Ng, P. S. Ozsváth, and D. P. Thurston. This program calculates the invariant for transverse knots defined in Legendrian knots, transverse knots, and combinatorial Floer homology by P. S. Ozsváth, D. P. Thurston, and Z. Szabó. To download the program, click here TransverseHFK. To compile it, type the following to the command line: cc TI.c To run it, type a.out