![](http://pdfasset.owneriq.net/0/8d/08d1842f-e1ff-4d59-970a-7dd00e6f50b7/08d1842f-e1ff-4d59-970a-7dd00e6f50b7-bg1d1.png)
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
---------------------------------------