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Examples Of Fraction Displays; Rounding Fractions - HP 35s User Manual

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Examples of Fraction Displays

The following table shows how the number 2.77 is displayed in the three fraction
formats for two /c values.
Fraction
Format
Most Precise
Factors of Denominator
Fixed Denominator
The following table shows how different numbers are displayed in the three fraction
formats for a /c value of 16.
Fraction
Format
Most precise
Factors of
denominator
Fixed denominator
For a /c value of 16.

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 and 9. The accuracy
indicatior turns off if the fraction matches the decimal representation exactly.
Otherwise, the accuracy indicatior stays on, (See "Accuracy Indicators" earlier in
this chapter.)
In an equation or program, the RND function does fractional rounding if Fraction–
display mode is active.
5-8
Fractions
/c
2 77/100
2 1051/1365
2 3153/4095
Number Entered and Fraction Displayed
2
2.5
2
2 1/2
2
2 1/2
2 0/16 2 8/16 2 11/16
How 2.77 Is Displayed
= 4095
(2.7700)
(2.7699)
(2.7699)
2
2
/
3
2 2/3
3
2 11/16
3
3 0/16
/c
= 16
(2.7692)
2 10/13
(2.7500)
2 3/4
(2.7500)
2 12/16
16
2
/
2.9999
2 9/14
2 5/8
2 10/16
25

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