hp40g+.book Page 2 Friday, December 9, 2005 1:03 AM
Example 2
Press 
to simplify the numerator.
Press 
to select the entire fraction.
Press 
to simplify the selected fraction, giving the result shown at the right.
Given that C = 2
45 + 3
12 – 
20 – 6
3
write C in the form d
5 , where d is a whole number.
Solution: In the Equation Writer, enter C by typing:
2 
45 
3 
12 
20 
6
3
Press 
to select 
3 .
Press 
to select
20
to select 20.
Now press 
, select FACTOR and
press 
.
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