Texas Instruments TI-34 II Explorer Plus User Manual

© 1999 T
EXAS
I
NSTRUMENTS
I
NCORPORATED
TI-34 Û: A Guide for Teachers
83
Combination (nCr)
H
You have space for 2 books on
your bookshelf. You have 4 books
to put on the shelf. Use this
formula to find how many ways
you could place the 4 books in the
2 spaces.
4 nCr 2 = x
 
A B C D
AB and BA
count as only 1
combination.
AB AC AD
BA BC BD
CA CB CD
DA DB DC
Press Display
4
H "
nPr nCr !
¹
---
2
<
4 nCr 2
º
6.

Texas Instruments TI-34 II Explorer Plus Specifications

General

Type	Scientific
Form factor	Pocket
Product color	Blue
Digits	11 digits
Display number of lines	2 lines