© 1999 T
EXAS
I
NSTRUMENTS
I
NCORPORATED
TI-30X
Ù
S: A Guide for Teachers
38
Negative Numbers
M
The temperature in Utah was
L
3
¡
C
at 6:00 a.m. By 10:00 a.m. the
temperature had risen 12
¡
C. What
was the temperature at 10:00 a.m.?
Press Display
M
3
T
12
<
-3+12
'
9.
DEG