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5–2 Fractions
File name 32sii-Manual-E-0424
Printed Date : 2003/4/24 Size : 17.7 x 25.2 cm
Example:
Keys: Display: Description:
z
Turns on Fraction–display mode.
1.5
+
Enters 1.5; shown as a fraction.
1
3
4
+
Enters 1
3
/
4
.
z
)
Displays x as a decimal number.
z
+
Displays x as a fraction.
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).