Permutation And Combination; Fractions - Casio fx-9860G AU User Manual

k Permutation and Combination
u u u u u Permutation
nPr = –––––
• Be sure to specify Comp for Mode in the Setup screen.
○ ○ ○ ○ ○
Example To calculate the possible number of different arrangements using 4
items selected from among 10 items
Formula
P = 5040
10 4
○ ○ ○ ○ ○
Example To calculate the possible number of different combinations of 4 items
that can be selected from among 10 items
Formula
C = 210
10 4
k k k k k Fractions
How you should input fractions depends on the input mode that is currently selected.
Math input mode
Linear input mode
• For information about the Math input mode, see "Input Operations in the Math Input Mode"
on page 1-3-8.
• Fraction calculation results are always reduced before being displayed.
2-4-10
Function Calculations
n!
(n – r)!
10K6(g)3(PROB)2(
10K6(g)3(PROB)3(
Improper Fraction
7
3
($7c3)
7 { 3
Numerator
(7$3)
u u u u u Combination
nCr = –––––––
r! (n – r)!
Operation
Operation
(1$(()2e1c3)
Integer Part
Denominator
20050401
n!
P )4w
n r
C )4w
n r
Mixed Fraction
1
2
3
2 { 1 { 3
Denominator
Numerator
(2$1$3)