# NexxTech 6500505 User Manual

## Digit pocket calculator, Features, A quick look at the calculator

8-Digit Pocket Calculator

FEATURES

Your 8-Digit Pocket Calculator is small, yet it has the
features you use the most. It includes the four basic

and division), plus it has percentage, square root,
and memory functions. Its other features include:

Dual Power — the solar cell powers the calculator when
there is enough light, and the replaceable battery powers
the calculator when the light is dim.

Large 8-Digit Liquid Crystal Display —makes it easy to

Automatic Power Off — conserves battery power by
turning off your calculator if you do not press a key for

A QUICK LOOK AT THE

CALCULATOR

ON/C

— Press

ON/C

to

to clear a calculation.

+/–

— Press to change the displayed num-

ber from positive (+) to negative (–) or from
negative (–) to positive (+).

MINUS–

ap-

pears when the value is negative.

CE

— Press

CE

to clear an

incorrect entry before you
press an operation key.

Note: If you press an incorrect operator key (+, –, ×, or ÷),
simply press the correct one and continue with your calcu-
lation.

ERRORS

ERROR

and does not allow fur-

ther calculations if you:

• try to take the square root of a negative number.

• try to divide by zero.

• perform a calculation that results in an answer greater

than 99,999,999.

In this case, you can determine the approximate
answer by counting the number of digits displayed to
the left of the decimal point, putting that many zeros
on the right side of the number, then deleting the dec-
imal point.

For example, if the calculator displays

ERROR

3423.8381

,

the

approximate

is

342,383,810,000. To clear the error and continue the
calculation with the displayed number, press CE.

To clear the entire calculation, press

ON/C

.

PERFORMING CALCULATIONS

To Calculate

You Press

You See

64

64

8.

\$20 + 6% tax = 21.2

20 + 6 %

21.2

\$150 discounted 20% = 120

150 – 20 %

120.

Constant Calculations

Press

=

to repeat the last function.

To Calculate

You Press

You See

5 Ч 5 Ч 5 Ч 5 + 2 + 2 = 629

5 x = = = + 2 = =

629.

For addition, subtraction, and division, the value you enter
before pressing

=

is the constant. For multiplication, the

value you enter before pressing × is the constant.

Memory Calculations

To store a value in memory, first press

(memory recall/

clear) twice to clear the memory, then press

ON/C

to clear

all calculations.

6500505