Converting To A Fraction: The Quadratic Formula - Texas Instruments TI-83 Manual Book

Converting to a Fraction: The Quadratic Formula

You can show the solution as a fraction.
1. Press  to display the
2. Press to select
1
menu.
When you press
the home screen.
contains the last calculated answer.
3. Press Í to convert the result to a
fraction.
To save keystrokes, you can recall the last expression you entered, and then
edit it for a new calculation.
4. Press y [
ENTRY
the fraction conversion entry, and then
press y [
ENTRY
quadratic-formula expression,
2 4
b b ac
2
a
5. Press } to move the cursor onto the
in the formula. Press ¹ to edit the
quadratic-formula expression to become:
2 4
b b ac
2 a
6. Press Í to find the other solution for
the quadratic equation 3X
menu.
MATH
from the
1:4Frac MATH
, is displayed on
1 Ans4Frac
is a variable that
Ans
] (above Í) to recall
] again to recall the
2
+ 5X + 2 = 0.
sign
+
Getting Started 7