Sharp QS2770H QS-1760H, QS-2760H, QS-2770H Operation Manual - Page 11

Change Sign Key, Multiple Use Key, Square Root Key, Tax-including Key, Pre-tax Key - calculators

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Page 11 highlights

CHANGE SIGN KEY: Changes the algebraic sign of a number (i.e., positive to negative or negative to positive). MULTIPLE USE KEY: Used to perform mark-ups, percent change and automatic add-on/discount. SQUARE ROOT KEY: To obtain a square root of a negative number, this calculator will first obtain a square root of an absolute number of the given number; the calculation result will then be converted to a negative value. TAX-INCLUDING KEY PRE-TAX KEY - 9 -

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CHANGE SIGN KEY:
Changes the algebraic sign of a number (i.e., positive to negative or
negative to positive).
MULTIPLE USE KEY:
Used to perform mark-ups, percent change and automatic add-on/discount.
SQUARE ROOT KEY:
To obtain a square root of a negative number, this calculator will first obtain a
square root of an absolute number of the given number; the calculation
result will then be converted to a negative value.
TAX-INCLUDING KEY
PRE-TAX KEY