Factorizer may be used: (1) to get the prime decomposition of all numbers in a range of numbers (2) to get all factors of a single number or all factors of all numbers in a range (3) to find only the prime numbers in a range of numbers (4) to find pairs of prime numbers (e.g. 107 and 109) in a certain range (5) to count (without displaying) the prime numbers in a range of numbers (6) to find Fermat and Mersenne primes < 2,147,483,647
High quality pseudo-random number generator for Microsoft Excel. * Use the high quality Mersenne Twister algorithm to replace the Excel RAND() and VBA Rnd() functions. * Generate random numbers from 16 discrete and continuous distributions. * Functions for use in spreadsheet formulas. * A VBA interface to generate random numbers in your code. * Generate large amounts of random numbers interactive interface * Random samples and random Sort