HP 40gs User Manual page 276

hp40g+.book Page 2 Friday, December 9, 2005 1:03 AM
Example 2
16-2
Press to simplify the
numerator.
Press to select the
entire fraction.
Press to simplify the
selected fraction, giving
the result shown at the
right.
C = 2 45 +
Given that
d 5
write C in the form , where d is a whole number.
Solution: In the Equation Writer, enter C by typing:
2 45
3
12
20 6
3
Press to
– 6 3
select .
Press to select
–
20 and to
select 20.
Now press ,
select FACTOR and
press .
3 12 – 20 – 6 3
Step-by-Step Examples