FirstClassLisp – A Lisp interpreter written in C# with first class macros and continuations.
ChessPuzzle – my first Haskell program that actually does something sort of interesting.
IOMonad – An article about how the Haskell IO monad works, by “implementing” it in C#.
Numeraire – When modelling FX derivatives, it’s often simpler to represent everything in terms of a standard currency (or “numeraire”) that isn’t any of the currencies that you are physically trading.
RhoDelta– How delta and rho are related to each other.