To convert a fraction into a decimal, To convert a decimal into a fraction involving tt, I eval j – HP 48g Graphing Calculator User Manual
Page 198
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16
To convert a
fraction
into a decimal:
■ Put the fraction on level 1 of the stack.
■ Press
i EVAL j.
To convert a decimal into a fraction involving
tt
:
1. Put the decimal on level 1 of the stack.
2. If necessary change the display mode to indicate the accuracy of
the fractional approximation you desire.
3. Press
symbolic
)
(NXT)
-^Q
tt
computes both the
fractional equivalent of the original number and the fractional
equivalent of the original number divided by
tt
, and then compares
the denominators. It returns the fraction with the smallest
denominator—this fraction might be the same fraction returned by
—>Q, or it might be a different fraction multiplied by
tt
.
Example: Convert 7.896 to a pure fraction using -^Q.
7-896
fi^fsYMBOLic) fNXT)
]j______________ ' 987-^1 £5'
16-6 Date, Time and Fraction Arithmetic