Calculation of position of sun in the sky: Arduino (C++), Octave (Matlab).
Bridge odds calculator (Linux
executable):
Example: If we have 4 spades and 5 hearts in our hand, we want
to know: what are the odds our partner has exactly 2 spades and
3 hearts (of the missing 9 spades and 8 hearts)? Answ: 7.93675%