© 1999 T
EXAS
I
NSTRUMENTS
I
NCORPORATED
TI-30X
Ù
S: A Guide for Teachers
38
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.?
M
Press
Display
M
3
T
12
<
L
3+12
3+12
'
9.
9.
DEG
Negative Numbers