Texas Instruments TI15TK Teacher Guide - Page 76
Using memory to add products, Store to Memory, Memory Recall
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Using memory to add products Hamburgers 2 $1.19 = Milk shakes 3 $1.25 = Coupon for each milk shake 3 $.20 = Total cost = Press 2 V 1 r 19 ® Display 2Ý1Ù19Ú 2Ù38 z ® M 2Ý1Ù19Ú 2Ù38 Store to Memory z Memory Recall | 3 V 1 r 25 M 3Ý1Ù25Ú 3Ù75 ® z T (Add milk shakes to memory.) 3 V r 20 ® M 3Ý1Ù25Ú 3Ù75 M 3ÝÙ20Ú 0Ù6 z U M (Deduct coupon 3ÝÙ20Ú 0Ù6 from memory.) | (Recall the total M 5Ù53 cost.) © 2000 TEXAS INSTRUMENTS INCORPORATED TI-15: A Guide for Teachers 69
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© 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
Press
Display
2
V
1
r
19
®
2Ý1Ù19Ú
2Ù38
z
®
M
2Ý1Ù19Ú
2Ù38
3
V
1
r
25
®
M
3Ý1Ù25Ú
3Ù75
z
T
(
Add milk shakes
to memory.)
M
3Ý1Ù25Ú
3Ù75
3
V
r
20
®
M
3ÝÙ20Ú
0Ù6
z
U
(
Deduct coupon
from memory.)
M
3ÝÙ20Ú
0Ù6
|
(
Recall the total
cost.)
M
5Ù53
|