Index                                                                         
Combinatorial functions
initially known to ArtSGraph are given in the table. Left

column is the name of function in ArtSGraph, right column is the name of function in
common mathematical notation.
m, n  are integers.
 

Function

Value

n!

n!, factorial, product of natural numbers, from 1 up to n

cnk(m,n)

Ñnk, binomial factor, 

fact(m)

Expansion of an integer on simple factors


 fact(m) returns the list of pairs: (prime factor, power).

For example:
32400 = (2^4)*(3^4)*(5^2)
fact(32400)    yields   ((2,4),(3,4),(5,2))