Entering Negative Numbers - Texas Instruments TI-15 Teachers Manual

Entering negative numbers

The temperature in Utah was N3° C
Negative
at 6:00 a.m. By 10:00 a.m., the
M
temperature had risen 12° C. What
was the temperature at 10:00 a.m.?
P r e s s D i s p l a y
M 3 T 12
Ü 3 Û 1 2 Ú 9
®
50
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