Here you can download some freeware applications by Ferruccio Capponi (for all Windows versions).
RSI Generates the Relative Strength Index of stocks from a prices series (38KB).
Random 2.0 Generates random numbers in four different ways (52KB).
Combirix 2.0 Calculates and generates Combinations (with or without repetitions), k-Permutations (with or without repetitions), Permutations of a multiset (841KB).