10

4

5,040.00

10P4.

Combination

A combination is a selection of one or more of a set of distinct objects without regard to order. The number of possible combinations, each containing n objects, that can be formed from a collection of m distinct objects is given by:

mCn =

m!

(---m----------n----)--!--n---!

Where m, n are integers and 69 m n 0.

Use the following HP-12C to calculate the number of possible combinations.

KEYSTROKES

 

 

DISPLAY

 

 

 

 

 

CLEAR

 

00-

 

 

0

 

01-

44

0

 

 

02-

 

34

 

 

 

 

 

 

 

03-

43

3

 

 

 

 

 

 

 

04-

43

36

 

 

 

 

 

0

 

05-

45

0

 

 

06-

 

30

 

 

 

 

 

 

 

07-

43

3

 

 

 

 

 

0

 

08-

45

0

 

 

09-

43

3

 

 

 

 

 

 

 

10-

 

20

 

 

 

 

 

 

 

11-

 

10

 

 

 

 

00

 

12-43, 33

00

 

 

 

 

 

 

REGISTERS

 

 

n: Unused

 

i: Unused

 

PV: Unused

 

PMT: Unused

 

121

Page 122
Image 122
HP 12C manual Combination, 121