Using The Calculator; A Metc - HP -01 Owner's Manual

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Using The Calculator
In addition to all the time and calendarfunctions, your HP-01 contains an arithmetic calculator
with @ memory and a percent function.
ARITHMETIC. Key in numbers by pressing the digit keys in sequence. A decimal point must
be keyed in if it is part of the number.
Example Press Display
148.84 000600
For a negative number, key in the digits, then press '-fi This changes the sign.
Press Display
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