Texas Instruments TI-89 Titanium User Manual page 157

Pretty Print Mode
By default,
Pretty Print = ON
form in which they are traditionally written. You can use 3 to turn pretty print off and
on.
ON
π
2
-- -
p , ,
2
The entry line does not show an expression in pretty print. If pretty print is turned on, the
history area will show both the entry and its result in pretty print after you press ¸.
Exact/Approx Mode
By default,
Exact/Approx = AUTO
Because AUTO is a combination of the other
two settings, you should be familiar with all
three settings.
Operating the Calculator
. Exponents, roots, fractions, etc., are displayed in the same
Pretty Print
–
x 3
---------- -
2
. You can use 3 to select from three settings.
OFF
p ^2, p /2, ‡ ((x–3)/2)
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