The file findQ was copied from   http://www.math.fsu.edu/~hoeij/files/Hirzebruch  [accompanying
files for the paper: J. Fullwood and M. van Hoeij, On Hirzebruch invariants of elliptic fibrations,
Proceedings of Symposia in Pure Mathematics, Vol. 85, p. 355-366,  (2012). ]

The main routine in the file findQ is the program PiStar, which implements the formula from:

J. Fullwood, On generalized Sethi-Vafa-Witten formulas, J. Math. Phys. 52, 082304 (2011).