Rounding fractions – HP 32SII User Manual
Page 86
5–8 Fractions
File name 32sii-Manual-E-0424
Printed Date : 2003/4/24 Size : 17.7 x 25.2 cm
The following table shows how different numbers are displayed in the three
fraction formats for a /c value of 16.
Number Entered and Fraction Displayed
Fraction
Format
2 2.5 2
2/3 2.9999 216/25
Most precise
2 2
1/2
S2 2/3
T3
S2 7/11
Factors of
denominator
2 2
1/2
T2 11/16
T3
S2 5/8
Fixed
denominator
2 0/16
2 8/16
T2 11/16
T2 16/16 S2 10/16
For a /F value of 16.
Example:
Suppose a stock has a current value of 48
1
/
4
. If it goes down 2
5
/
8
, what
would be its value
?
What would then be 85 percent of that value
?
Keys: Display: Description:
{
x
{
} 8
{
x
{
} 9
Sets flag 8, clears flag 9 for
"factors of denominator" format.
8
{
Sets up fraction format for
1
/
8
increments.
48
1
4
+
Enters the starting value.
2
5
8
+
Subtracts the change.
85
{
P
S
+
Finds the 85–percent value to the
nearest
1
/
8
.
Rounding Fractions
If Fraction–display mode is active, the RND function converts the number in
the X–register to the closest decimal representation of the fraction. The
rounding is done according to the current /c value and the states of flags 8