FACTORIALRATIO by Jos (10584)

Ratio of factorials, as in (a!b!c!...) / (d!e!f!g!...) (version 2.0, oct 2012) (factorial, product, large numbers)

factorialratio(A,B)

big modulo function by bennyboss

Computes modulo for large numbers. (modulo, rsa, large numbers)

bigmod (number, power, modulo)