This project provides a sample program, that provides a significant numerical computation, written using a number of languages and approaches for the sake of comparison. The sample program is a slightly modified version of a Navier-Stokes fluid dynamics code by Griebel et al. [1]. Current implementations include C, Fortran, and Haskell (repa). 2012/13 - Accelerate (Haskell) and Ypnos (Haskell) implementations in progress. [1] Michael Griebel, Thomas Dornseifer, Tilman Neunhoeffer, Numerical Simulation in Fluid Dynamics, SIAM, 1998. http://people.sc.fsu.edu/~jburkardt/cpp_src/nast2d/nast2d.html