Texas Instruments TI-84 Plus Guide Book

Chapter 17: Activities 462
To save keystrokes, you can recall the last expression you entered, and then edit it for a
new calculation.
2. Press
1 to select 1:4Frac from the MATH
menu.
When you press
1, Ans4Frac is displayed
on the home screen.
Ans is a variable
that contains the last calculated answer.
3. Press Í to convert the result to a
fraction.
4. Press y [ (above Í) to recall
the fraction conversion entry, and then
press y [ again to recall the
quadratic-formula expression,
b– b
2
4ac–+
2a
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Texas Instruments TI-84 Plus Specifications

General

Battery type	AAA
Power source	Battery
Number of batteries supported	4
Type	Graphing
Cover	No
Form factor	Pocket
Control type	Buttons
Product color	Black
USB port	Yes
USB 2.0 ports quantity	1
Digits	- digits
Display number of lines	8 lines
Display number of characters	16
RAM capacity	0.024 MB
ROM capacity	0.480 MB
Storage media type	-