HP 12c Platinum - Combinations

Statistics 117
REGISTERS
n: Unused i: Unused PV: Unused PMT: Unused
FV: Unused R
0
: n R
1
-R
.8
: Unused
Program Instructions:
1. Key in the program.
2.
Key in m and press
\(³).
3.
Key in n and press
t to calculate
m
P
n
.
4. For a new case go to step 2.
Example: How many ways can 10 people be seated on a bench if only 4 seats are
available?
12c platinum / 12C
RPN Keystrokes
12c platinum
ALG Keystrokes
Display Comments
10\ 10³
4t 4t
5,040.00
10
P
4
.
Combinations
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:
()
!!
!
nnm
m
C
nm
−
=
Where m, n are integers and 69 ≥
m ≥ n ≥ 0.
Use the following HP 12C Platinum to calculate the number of possible combinations.