2-4-10

 

Function Calculations

 

 

 

kPermutation and Combination

 

u Permutation

u Combination

n!

n!

nPr = –––––

nCr = –––––––

(n – r)!

r! (n – r)!

• 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

 

 

 

kFractions

How you should input fractions depends on the input mode that is currently selected.

Improper Fraction

Mixed Fraction

Math input mode

7

 

2

1

 

 

3

 

3

 

 

($7c3)

(1$(()2e1c3)

 

 

 

 

 

 

 

7 {3

2 {1 {3

Linear input mode

Numerator Denominator

Integer Part

 

Denominator

 

 

 

 

Numerator

 

(7$3)

(2$1$3)

 

 

 

 

 

 

 

•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.

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