Olivetti Logos 664B Instrucciones De Uso página 18

10 [TAX +]
11 [TAX -]
12 [RATE]
13 [EURO]
14 [LOCAL]
15 [√ ]
16 [GT]
17 [%]
18 [=]
19 [∆]
20 [÷]
21 [X]
22 [C/CE]
23 [+/-]
24 [→]
25 [0]-[9], [00],
[000], [•]
4
Tax plus key
Calculates an amount including VAT with Tax rate preset by [RATE]
key.
Tax minus key
Calculates an amount excluding VAT with Tax rate preset by [RATE]
key.
Rate key
Used to enter Tax rate or Currency Exchange rate.
Euro currency
Converts the displayed value to Euro currency.
Local currency
Converts the displayed value to Local currency.
Square root key
Calculates the square root of the contents of the display.
Grand Total key
Prints and clears the Grand Total memory.
Percentage key
Completes percent calculation when [x] or [÷] key is used.
Equals key
Completes multiplication, division, delta percent or mark-up.
Delta percent key
Automatically compares any two amounts, calculating and printing the
percent difference.
Division key
To divide, enter the number to be divided (dividend) and press the [÷]
key; then enter the second number (divisor) and press the [=] key or
other keys necessary to obtain result. If the key is pressed repeatedly,
the calculator performs sequential division calculations.
Multiplication key
To multiply, enter the first number (multiplicand) and press the [x] key;
then enter the second number (multiplier) and press the [=] key or other
keys necessary to obtain result. If the key is pressed repeatedly, the
calculator performs sequential multiplication calculations.
Clear / Clear entry key
Pressed once, clears a live entry.
Pressed twice, clears the accumulator and calculation status excluding
the memory.
Sign change key
Reverses the sign on the display.
Right shift key
Deletes right most character of a live entry.
Numeric keys & Decimal point
Any numeral over 14 digits will be ineffective. If a decimal point key is
used more than once in a numeral, the first decimal point is considered
as effective.
ENGLISH