E6
[0]~ [9] [00]
:
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
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