Texas Instruments TI-15 Teachers Manual page 76

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