Texas Instruments TI-Nspire CX User Manual page 41

This can be treated in terms of two columns since order is not a factor.
Slasher
Subject
flick
1 4
2 5
3 3
4 8
5 5
6 7
7 9
8 7
9 5
Put Slasher Data in
Column A and news
data in Column B
Title each
appropriately
Title third column "diff"
In the area just below
this title type the
following formula
=a[ ]-b[ ]
Hit enter and the
difference will appear
in the column below.
This tell the calculator
to subtract column b
from column a dn put
the difference in c
Evening
news
4
7
3
9
5
4
3
9
2
TI-Inspire manual 40