
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) -^Qtt 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
Kommentare zu diesen Handbüchern