NexxTech 6500505 Calculator User Manual


 
OWNER’S MANUAL — Please read before using this equipment.
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
math functions (addition, subtraction, multiplication,
an
d 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
rea
d calculation results.
Automatic Power Off conserves battery power by
turning off your calculator if you do not press a key for
ab
out 7 minutes.
A QUICK LOOK AT THE
CALCULATO
R
ON/C — Press ON/C to
tu
rn on your calculator or
to
clear a calculation.
+/– — Press to change the displayed num-
ber
from positive (+) to negative (–) or from
negat
ive (–) 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-
latio
n.
ERRORS
Your calculator displays 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-
ima
l point.
For example, if the calculator displays ERROR
3423.838
1, the approximate answer 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 × 5 × 5 × 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/
cle
ar) twice to clear the memory, then press ON/C to clear
al
l calculations.
6500505