NexxTech 6500542 manual ˆ Operation

ˆOperation

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 (+,

–, ×, ÷) 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

4 Operation