Sharp EL-2901RH Manual De Instrucciones página 6

"A": The decimal point in addition and subtraction
entries is automatically positioned to the 2nd
digit from the lowest digit of entry number. Use
of the add mode permits addition and
subtraction of numbers without entry of the
decimal point. Use of
automatically override the add mode and
decimally correct answers will be printed.
PAPER FEED KEY
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Press this key to enter the cost price.
, and will
Press this key to enter the selling price.
Press this key to enter the margin.
GRAND TOTAL KEY
COST PRICE ENTRY KEY:
SELLING PRICE ENTRY KEY:
MARGIN ENTRY KEY: