© 2000 T
EXAS
I
NSTRUMENTS
I
NCORPORATED
TI-15: A Guide for Teachers
69
Using memory to add products
Hamburgers
2
$1.19
=
Milk shakes
3
$1.25
=
Coupon for each
milk shake
3
$.20
=
Total cost
=
Store to Memory
z
Memory Recall
P r e s s
D i s p l a y
2
V
1
r
19
®
2 Ý 1 Ù 1 9 Ú 2 Ù 3 8
z
®
M
2 Ý 1 Ù 1 9 Ú 2 Ù 3 8
3
V
1
r
25
®
M
3 Ý 1 Ù 2 5 Ú 3 Ù 7 5
z
T
(
A d d m i l k s h a k e s
t o m e m o r y . )
M
3 Ý 1 Ù 2 5 Ú 3 Ù 7 5
3
V
r
20
®
M
3 Ý Ù 2 0 Ú
0 Ù 6
z
U
(
D e d u c t c o u p o n
f r o m m e m o r y . )
M
3 Ý Ù 2 0 Ú
0 Ù 6
|
(
R e c a l l t h e t o t a l
c o s t . )
M
5 Ù 5 3
|