TI -15 Guia Do Utilizador

© 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

|