Casio 330 - Manual (Page 138)

20090601
Problem
Use this keyboard:
Operation
mth abc cat 2D
Divide 21 by 6 and 7, and
determine the remainder
of both operations.
(iMod(21, {6, 7}) Func [iMod] 21 W 6 7
YU
I Permutation (nPr) and Combination (nCr)
S Total Number of Permutations
S Total Number of Combinations
Problem
Use this keyboard:
Operation
mth abc cat 2D
How many different
permutations are possible
when you have 10 different
objects and arrange them
four at a time?
10
P
4
= 5040
CALC Func Z 10 4 U
How many different
combinations are possible
when you have 10 different
objects and remove four at
a time?
10
C
4
= 210
CALC Func Y 10 4 U
n!
n Pr = –––––
(n – r)!
n!
n Pr = –––––
(n – r)!
n!
nCr = –––––––
r! (n – r)!
n!
nCr = –––––––
r! (n – r)!
2-4-11
Function Calculations