HP 39G

1-26 Getting started
Fraction
calculations
When entering fractions:
• You use the>j@ key to separate the numerator part and
the denominator part of the fraction.
• To enter a mixed fraction, for example, 1
1
/
2
, you enter it
in the format (1+
1
/
2
).
For example, to perform the following calculation:
3(2
3
/
4
+ 5
7
/
8
)
1. Set the mode Number format to fraction.
>6+,)7@MODES *e,
&+226a Select
Fraction
>(17(5@*A,4
2.a
2. Return to HOME and enter the calculation.
3>;@>@>@2>@3
>j@4>@>@>@5>@7
>j@8>@>@
3. Evaluate the calculation.
>(17(5@
Converting
decimals to
fractions
To convert a decimal value to a fraction:
1. Set the number mode to Fraction.
2. Either retrieve the value from the History, or enter the
value on the command line.
3. Press >(17(5@ to convert the number to a fraction.