NexxTech 6500542 - Manual (Page 4)

4
Operation
ˆ
Operation
TURNING ON THE
CALCULATOR
Press ON/AC to turn on the calculator.
The calculator automatically turns off
after about 9 minutes if you do not
press any key.
Note: The calculator clears all previ-
ous entries when it turns off.
USING THE SPECIAL
FUNCTION KEYS
Press +/– to change the displayed
number from positive to negative or
from negative to positive.
Press to delete the last digit en-
tered (for example, when you press
the wrong number key).
Press 00 to enter two zeros at once.
CLEARING ENTRIES
To clear an incorrect entry and contin-
ue the current calculation, press
CE
once ( 0. appears), then enter the
correct value and continue your cal-
culation.
To clear the display and begin a new
calculation, press
ON/AC ( 0. ap-
pears), then begin the new calcula-
tion.
To clear an incorrect operator key ( + ,
– , Ч , ч ) entry during a calculation, sim-
ply press the correct operator key and
continue your calculation.
ROUNDING
5/4 . determines how the calculator
rounds numbers to the right of a deci-
mal point (depending on the
F 0 2 3 4
A setting — see “Setting the Number
of Decimal Places”).
rounds off the rightmost digit of the
calculation result to the next highest
number.
5/4 rounds off the rightmost digit of a
calculation result to the next highest
number if the next digit is 5 or more.
Rounds off to the next lowest number
if the next digit is 4 or less.
rounds off the rightmost digit of the
calculation result to the next lowest
number.
SETTING THE NUMBER
OF DECIMAL PLACES
F 0 2 3 4 A lets you set how many
numbers appear to the right of the
decimal point in the displayed result.
With the switch set to A , the calculator
automatically inserts a decimal point