They may be of interest to others, so I have made them public under the GNU Public Licence . In finance, there are areas where formulas tend to get involved. Sometimes it may be easier to follow an exact computer routine.
Typical examples are option pricing, term structure calculations etc.
Finance specific Term Structure class. Thinking about how to structure data for fixed income securities. Useful in a number of contexts to abstractly define a date as an object. This is a very crude date class, and is by no means general. I use it for empirical financial data, and it works fine for that purpose.