Texas Instruments TI-34 II Explorer Plus User Manual page 71

Fractions
Fraction Entry Keys
These numbered paragraphs provide
explanations for the corresponding numbered
keys on the illustration below.
1. @ separates a whole number from
the fraction in a mixed number.
2. > separates a numerator from the
denominator.
3. % ~ displays a menu of 4
settings that let you specify how
fraction results are displayed.
AËbàc— displays mixed number results.
dàe—displays fraction results.
Manual—displays unsimplified fractions.
Auto—displays results that are
simplified to lowest terms.
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Simplification Keys
4. } simplifies a fraction using the
lowest common prime factor. If you
want to choose the factor (instead of
letting calculator choose it), press
}, enter the factor (an integer),
and then press <.
5. %? displays Fac on the entry line
and the divisor used to simplify the
last fraction result. (You must be in
Manual mode.) Press % ? to
toggle back to the simplified fraction.
Conversion Keys
6. %O converts between a mixed
number and a simple fraction.
7. Q converts a fraction to a decimal, if
possible.
8. R converts a decimal to a fraction, if
possible.
Notes
The examples on the transparency
masters assume all default settings.
To enter a mixed number or a fraction,
press @ between the whole number
and the numerator and > between the
numerator and the denominator.
You can enter a fraction or mixed number
anywhere you can enter a decimal value.
You can use fractions and decimals
together in a calculation.
Fractional results and entries are
automatically reduced to their lowest
terms.
(continued)
TI-34 Û: A Guide for Teachers
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