[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
[COST] [MARGIN] [SELL]
:
Used for calculating the cost,
E5
Summary of Contents for 1225-3A Series
Page 1: ......
Page 27: ... GT C CE 1 ...
Page 28: ... 2 ...
Page 29: ...C CE Print date 98 10 10 D 3 ...
Page 30: ...4 ...
Page 32: ...C CE 6 ...
