johnqevil/Kerbanomics — pull request #2 by divisionbyzero1 (2014-12-23 06:19:17+00:00)
Title: Fixed earlier syntax and type errors

Earlier commit required some additional casts to make the Math.Pow
functions play nice.

I checked the math against an excel spread-sheet I have and it's working
out for the given APR and payment# for 4-payments per year.