Sharp EL-1750PIII Operation Manual page 9

CHANGE SIGN KEY:
Changes the algebraic sign of a number (i.e.,
positive to negative or negative to positive).
RECALL AND CLEAR MEMORY KEY
RECALL MEMORY KEY
TAX-INCLUDING KEY
PRE-TAX KEY
AVERAGE KEY:
Used to calculate the average.
GRAND TOTAL KEY
COST PRICE ENTRY KEY:
Press this key to enter the cost price.
SELLING PRICE ENTRY KEY:
Press this key to enter the selling price.
MARGIN ENTRY KEY:
Press this key to enter the margin.
DISPLAY SYMBOLS:
M : Appears when a number is in the memory.
– : Appears when a number is negative.
G : Appears when a number is in the grand total
memory.
E : Appears when an overflow or other error is
detected.
TAX+ : Appears when the total calculated includes
tax.
TAX– : Appears when the total calculated excludes
tax.
TAX : Appears when the tax rate is set.
* Although all available symbols are shown here for
instruction purposes, these symbols will not appear
on the screen simultaneously.
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