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20050401
2-4-10
Function Calculations
n! n!
nPr = ––––– nCr = –––––––
(n – r)! r! (n – r)!
k Permutation and Combination
uu
uu
u Permutation
uu
uu
u Combination
•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 Operation
10P4 = 5040 10K6(g)3(PROB)2(nPr)4w
Example To calculate the possible number of different combinations of 4 items
that can be selected from among 10 items
Formula Operation
10C4 = 210 10K6(g)3(PROB)3(nCr)4w
kk
kk
k Fractions
How you should input fractions depends on the input mode that is currently selected.
• 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.
Denominator
Improper Fraction Mixed Fraction
Math input mode
Linear input mode
7
3
1
3
2
7 { 32 { 1 { 3
Numerator Denominator
Integer Part
Numerator
($7c3)(1$(()2e1c3)
(7$3)(2$1$3)