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Function Keys
87
Fractional Portion of a Number
To extract and display only the fractional portion of a number, press
the B prefix key followed by the
(fraction) key. For example,
to see the fractional portion of the 123.456 used above:
Press
Display
0
123.46
Summons the original
number back to the
X-register.
a
Only the fractional
portion of the number is
displayed, rounded here
to FIX 2 display.
When £}
is pressed, the integer portion of the numberis lost.
The entire number, of course, is preserved in the LAST X register.
Reciprocals
To calculate the reciprocal of a numberin the displayed X-register,
key in the number, then press @3 (). For example, to calculate the
reciprocal of 25:
Press
Display
250 @
You can also calculate the reciprocal of a value in a previous
calculation without reentering the number.
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