Texas Instruments TI-73 Manual Book page 24

To enter a value, follow these steps:
1. Select the desired indicator: upper ($)
or lower (#).
2. Enter a value. A
displays at the top of the screen, along
with the value you have entered.
To enter a negative number or value, press a. Press b to
Note
accept this value or : to clear the entry line.
If the values that you enter are so far enough apart that both
indicators cannot show on the screen at the same time, the
screen adjusts to the last value you entered. The
settings also change to reflect what is currently displayed on the
screen. (See the section entitled, Adjusting the Fraction Line
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For Min and Max > M1000 and <1000, any fraction is converted to
Note
decimal.
Number Line/Fraction Line for the TI-73
Value=
Values.)
prompt
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Page 24