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5–2 Fractions
File name 33s-English-Manual-040130-Publication(Edition 2).doc Page : 388
Printed Date : 2004/1/30 Size : 13.7 x 21.2 cm
If you didn't get the same results as the example, you may have accidentally
changed how fractions are displayed. (See "Changing the Fraction Display" later
in this chapter.)
The next topic includes more examples of valid and invalid input fractions.
You can type fractions only if the number base is 10 — the normal number base.
See chapter 10 for information about changing the number base.
Fractions in the Display
In Fraction–display mode, numbers are evaluated internally as decimal numbers,
then they're displayed using the most precise fractions allowed. In addition,
accuracy annunciators show the direction of any inaccuracy of the fraction
compared to its 12–digit decimal value. (Most statistics registers are exceptions —
they're always shown as decimal numbers.)
Display Rules
The fraction you see may differ from the one you enter. In its default condition, the
calculator displays a fractional number according to the following rules. (To
change the rules, see "Changing the Fraction Display" later in this chapter.)
The number has an integer part and, if necessary, a proper fraction (the
numerator is less than the denominator).
The denominator is no greater than 4095.
The fraction is reduced as far as possible.
Examples:
These are examples of entered values and the resulting displays. For comparison,
the internal 12–digit values are also shown. The
and
annunciators in the last
column are explained below.