页面 6 – Victor Technology 1212-3A Series User Manual
Page 6

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:Numeral keys
[.]
:Decimal point key
[+]
:Add key
[-]
:Subtract key
[×]
:Multiplication key
[÷]
:Division key
[=]
:Equal key
[%]
:Percent key
[MS]
:Memory subtotal recall key
[MT]
:Memory total clear key
[M+]
:Memory plus key
[M-]
:Memory minus key
[D/#]
:Date/Number key print key
[ ]
:Paper feed key
[ /S]
:Subtotal key
[C/CE]
:Clear last calculation/Clear last entry
[ ]
:Back space key
[+/- ]
:Inverts sign of the displayed number at
Key entry
[TAX+] or [TAX-]
:TAX+ Calculates the amount, using the
stored rate, and adds it to the original
price before tax
:TAX- Calculates the amount of tax
to be deducted (using the stored tax
displayed value to find the pre-tax
sales amount
: Prints TAX / Included TAX
(TAX=3)
A TAX+ = A(3/100)
= A+(A(3/100))
: Prints TAX / excluded TAX
(TAX=3)
A TAX- = A - A (1+3/100)
= A / (1+3/100)
[∆%]
:Prints difference (Computes the %
of change between two values)
A ∆% B = B - A
= (B - A) / A
A ∆% B +/- = - (B + A)
= - (B + A) / A
[*/T]
: Total key