NexxTech 6500542 User Manual

12-Digit Dual-Power  
Metal-Top  
Desk Calculator  
Backspace Key — deletes the last  
number entered.  
in, and clear all numbers from memo-  
ry.  
Mark-Up Key — helps you easily de-  
termine cost, final price, and profit  
margin.  
Automatic Shut-Off — conserves  
battery power by automatically turn-  
ing off your calculator about 8–10  
minutes after the last entry.  
% Key — simplifies calculation of per-  
Grand Total Key makes compli-  
cated calculations easier.  
Four Function Memory — lets you  
add to, subtract from, recall subtotals  
Square Root Key — lets you quickly  
compute the square root of a number.  
ˆ A Look at Your Calculator  
select how calcu-  
lation results are  
rounded (see  
“Rounding” on  
Page 5).  
F 0 2 3 4 A — lets  
many digits ap-  
mal (see “Setting  
the Number of  
Decimal Places”  
on Page 5).  
lets you calculate  
selling prices and  
profit margins  
(see “Mark-Up  
Calculations” on  
Page 8).  
Memory Keys —  
let you save, add  
to, and subtract  
from numbers in  
memory (see  
“Memory Calcula-  
tions” on Page 8).  
— deletes the  
last digit entered  
(see “Using the  
Special Function  
Keys” on Page 4).  
+
/— lets you  
change a number  
to positive or nega-  
tive (see “Using  
the Special Func-  
tion Keys” on  
GT (Grand Total)  
— provides the  
sum of all memo-  
rized numbers  
(see “Grand To-  
tal” on Page 7).  
Page 4).  
3
A Look at Your Calculator  
ˆ Operation  
To clear an incorrect operator key (+,  
, ×, ÷) entry during a calculation, sim-  
ply press the correct operator key and  
continue your calculation.  
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.  
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  
Note: The calculator clears all previ-  
ous entries when it turns off.  
USING THE SPECIAL  
FUNCTION KEYS  
rounds off the rightmost digit of the  
calculation result to the next highest  
number.  
+
Press /– to change the displayed  
number from positive to negative or  
from negative to positive.  
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.  
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.  
rounds off the rightmost digit of the  
calculation result to the next lowest  
number.  
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.  
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.  
To clear the display and begin a new  
calculation, press ON/AC (0. ap-  
pears), then begin the new calcula-  
tion.  
With the switch set to A, the calculator  
automatically inserts a decimal point  
4
Operation  
     
before the last two digits (for financial  
calculations).  
You attempt to divide by 0.  
You attempt to calculate the  
square root of a negative num-  
ber.  
With the switch set to 0, 2, 3, or 4, the  
display shows the selected number of  
digits to the right of the decimal point.  
If an overflow error occurs, E ap-  
pears. To clear E from the display  
(without deleting numbers from mem-  
ory), press CE.  
With the switch set to F (full display),  
the display shows as many numbers  
to the right of the decimal point as  
possible.  
If the error occurs in a memory calcu-  
lation, M(memory) flashes and Eap-  
pears. To clear E from the display,  
press ON/AC. This also clears the  
memory.  
For example (with 5/4 .set to .),  
when you divide 22 by 7:  
With the  
You See  
Switch Set to  
To clear an error caused by trying to  
calculate the square root of a nega-  
tive number or by trying to divide by 0,  
press ON/AC. This also clears the  
memory.  
F
2
3
4
A
3.14285714285  
3.14  
3.142  
Estimating Calculation  
Results  
3.1428  
3.14  
If your calculation results in an over-  
flow error, you can estimate the ap-  
proximate result by following these  
steps.  
CALCULATION  
ERRORS  
E (error) appears on the display  
when:  
1. Count the number of digits dis-  
played to the left of the decimal  
point.  
• A calculation result exceeds 12  
digits (this is an overflow error —  
2. Remove the decimal point.  
see  
3. Add as many zeros to the right of  
the number as there were digits  
to the left of the decimal point.  
• A memory calculation exceeds  
12 digits.  
5
Operation  
 
For  
example,  
if  
E
Grand Total  
923.476988618. appears,  
GT (grand total) lets you perform cash  
register calculations simply and  
quickly. Every time you press =, the  
displayed number is memorized and  
GTappears. Press GT to display the  
sum of all memorized numbers. Press  
GT again to clear GTfrom the display,  
or press ON/AC to clear the display.  
the approximate answer is  
923,476,988,618,000.  
31.9703468367appears, the  
approximate answer is  
If E  
31,970,346,836,700.  
CALCULATION  
EXAMPLES  
Example 1: Calculate A + B + C  
where:  
You perform basic calculations (addi-  
tion, subtraction, multiplication, and  
division) with this calculator as you  
would with most other algebraic cal-  
culators. The following sections in-  
clude examples of more advanced  
calculations.  
A = 6 × 7  
B = 5 + 4  
C = 22 – 5  
Note: For the calculation examples, F  
0 2 3 4 A is set to F and the 5/4  
switch is set to 5/4.  
You Press  
You See  
6 × 7 =  
GT 42.  
5 + 4 =  
22 – 5 =  
GT  
GT 9.  
Square Root  
GT 17.  
GT 68.  
Example: What is the square root of  
64?  
You Press  
You See  
Example 2: Calculate the total price  
and tax for the following.  
64 √  
8
Nine items at $5.49 each.  
Five items at $3.29 each.  
Four items at $1.99 each.  
Percent  
Example: What is 6% of 48?  
You Press  
48 × 6%  
You See  
2.88  
6
Operation  
 
Add 6% sales tax and display the to-  
tal amount.  
Example: (53 + 6) + (23 –8) + (56 × 2)  
+ (99 ÷ 4) = 210.75  
You Press  
You See  
You Press  
You See  
5.49 × 9 =  
GT 49.41  
53 + 6 M+  
M 59.  
3.29 × 5 =  
1.99 × 4 =  
GT  
GT 16.45  
GT 7.96  
23 – 8 M+  
56 × 2 M+  
99 ÷ 4 M+  
MR  
M 15.  
M 112.  
M 24.75  
M 210.75  
210.75  
GT 73.82  
GT 78.2492  
+ 6%  
MC  
Note: When you press %, the result  
is calculated and GT appears.  
Example:  
Memory Calculations  
2392 + 576  
–––––––––– – 73 = – 64.6158192091  
The memory calculation feature lets  
you easily do multi-step calculations.  
786 – 432  
To add a value to memory, enter the  
desired number or calculation, then  
press M+. Mappears.  
You Press  
You See  
786 – 432 M+  
2392 + 576 ÷  
MR  
M 354.  
M 2'968.  
M 354.  
To subtract from a value in memory,  
enter the desired number or calcula-  
tion, then press M–. Mappears.  
– 73 =  
GT M –  
64.6158192091  
To recall a value from memory, press  
MR.  
To clear the memory, press MC. M  
disappears.  
Mark-Up Calculations  
MU (mark-up) lets you calculate an  
item’s selling price based on the cost  
and the desired gross profit margin,  
and also lets you calculate the gross  
profit margin based on the cost and  
sales price.  
7
Operation  
   
The Gross Profit Margin (GPM) is the  
percentage of the sales price that is  
profit.  
item’s final price with sales tax, and  
the profit.  
Example 3: What is the final price of  
an item costing $70 with 5% sales  
tax? How much is the sales tax?  
Price – Cost  
––––––––––– × 100 = GPM  
Price  
You Press  
You See  
Example 1: What is the original cost  
of an item selling for $200 with a  
gross profit margin of 33%? What is  
the profit?  
70 × 5 MU  
– 70 =  
73.5  
GT 3.5  
You Press  
You See  
Example 4: What is the final price of  
an item selling for $70 marked down  
25%? How much is the discount?  
200 M+ × 33 +/– MU  
M 134  
M 134  
M 66.  
M–  
You Press  
You See  
MR  
70 × 25 +/– MU  
– 70 =  
52.5  
GT –17.5  
Example 2: What is the gross profit  
margin of an item costing $100 that  
sells for $150? What is the profit?  
Note: Disregard the minus (–) sign  
and read the discount as $17.5.  
You Press  
You See  
Example 5: Calculate the selling  
price of an item costing $100 with a  
50% gross profit margin. What is the  
profit?  
100 M+ – 150  
MU  
M –  
33.3333333333  
150 M–  
MR  
M 150  
M –50.  
You Press  
You See  
Note: Disregard the minus (–) signs  
and read the gross profit margin as  
33.3333333333% and the profit as  
$50.  
100 ÷ 50 MU  
– 100 =  
200  
GT 100  
Note: You cannot use the MU func-  
tion when F 0 2 3 4 A is switched to A,  
You can also easily calculate an  
item’s discounted selling price, an  
8
Operation  
Example 3:  
CONSTANTS  
14 ÷ 7 = 2  
When adding, subtracting, or dividing,  
the last operation and number you  
enter are held in memory as the con-  
stant function, allowing easy calcula-  
tions with repetitive numbers. Each  
time you press =, the calculator per-  
forms the constant function and dis-  
plays the results.  
You Press  
You See  
21 ÷ 7 =  
14 =  
GT 3.  
GT 2.  
(÷7 is the constant)  
Example 1:  
When multiplying, the first operation  
and number you enter are the con-  
stant function. For example:  
5 + 6 = 11  
You Press  
You See  
4 × 5 = 20  
4 + 6 =  
GT 10.  
GT 11.  
You Press  
You See  
5 =  
4 × 6 =  
GT 24.  
GT 20.  
(+6 is the constant)  
Example 2:  
5 =  
(4 × is the constant)  
14 – 7 = 7  
You Press  
You See  
20 – 7 =  
14 =  
GT 13.  
GT 7.  
(–7 is the constant)  
9
Operation  
ˆ Care  
Your Nexxtech 12-Digit Dual Power  
Metal Top Desk Calculator is an ex-  
ample of superior design and crafts-  
manship. The following suggestions  
will help you care for your calculator  
so you can enjoy it for years.  
icals, cleaning solvents, or strong  
detergents to clean the calcula-  
tor.  
Modifying or tampering with the cal-  
culator’s internal components can  
cause a malfunction and invalidate  
the calculator’s warranty. If the calcu-  
lator is not performing as it should,  
take it to your local electronic store for  
assistance.  
• Keep the calculator dry. If it gets  
wet, wipe it dry immediately. Liq-  
uids might contain minerals that  
can corrode the electronic cir-  
cuits.  
REPLACING THE  
BATTERY  
• Use and store the calculator only  
in normal temperature environ-  
ments. Temperature extremes  
can shorten the life of electronic  
devices, damage the battery, and  
distort or melt plastic parts.  
Although your calculator is solar pow-  
ered most of the time, the supplied  
back-up battery might eventually  
weaken and need replacing. If the  
display speed slows down in low light,  
replace the 389A battery. For the best  
performance and longest life, we rec-  
ommend alkaline batteries.  
• Keep the calculator away from  
dust and dirt, which can cause  
premature wear of parts.  
• Handle the calculator gently and  
carefully. Dropping it can dam-  
age circuit boards and cases and  
can cause the calculator to work  
improperly.  
Warnings:  
• Keep button-cell batteries away  
from children. Swallowing a but-  
ton-cell battery can be fatal.  
• Use only a fresh battery of the  
required size and type. Batteries  
can leak chemicals that damage  
your calculator’s electronic parts.  
• Dispose of an old battery  
promptly and properly. Do not  
burn or bury it.  
Caution: Use only a fresh battery of  
the required size and recommended  
type.  
• Wipe the calculator with a damp  
cloth occasionally to keep it look-  
ing new. Do not use harsh chem-  
10  
Care  
1. Use a Phillips screwdriver to  
remove the two screws on the  
back of the calculator, then pull  
apart the front and back case  
halves.  
4. Snap the case halves back  
together.  
5. Reinsert and tighten the screws.  
If you do not plan to use the calculator  
for a long period of time, remove the  
battery. Batteries can leak chemicals  
that can destroy electronic parts.  
2. Slide the battery toward the open  
end of the holder to remove it.  
3. Insert the new battery with the  
positive (+) side facing up.  
ˆ Specifications  
Operating Temperature .....................................................................................32° to 109°F  
(0° to 43°C)  
Power Supply ..................................................................................................... Solar Panel  
and One 389A Button Cell  
Dimensions (HWD)............................................. 7 15/16 x 5 7/8 x 1 in (201 x 150 x 26mm)  
Weight (with Battery)...................................................................................... 8.1 oz (230g)  
Specifications are typical; individual units might vary. Specifications are subject to change  
and improvement without notice.  
6500542  
10A00  
Printed in China  
11  
Specifications  
LIMITED WARRANTY  
Who is Providing This Warranty?  
LIMITED WARRANTY  
ORBYX ELECTRONICS WARRANTY  
ORBYX Electronics warrants that this product will be free  
from defects in materials and workmanship for a period of  
one (1) year from the date of purchase. Within this period,  
simply take the product and your proof of purchase to any  
ORBYX Electronics store or dealer and the product will be  
repaired without charge for parts and labour. ORBYX  
Electronics reserves the right to charge for transportation.  
Any product which has been subject to misuse or  
accidental damage is excluded from this warranty.  
This warranty is only applicable to a product purchased  
through ORBYX Electronics' company owned stores and  
dealers and to a product that is presented for repair in a  
country where ORBYX Electronics offers the product for  
sale. While this warranty does not confer any legal rights  
other than those set out above, you may have additional  
statutory rights which will vary under the laws of the  
various countries, states, province and other governmental  
entities in which ORBYX Electronics operates. This  
warranty is subject to all statutory rights you may have in  
the country of purchase.  
Orbyx Electronics, LLC (“Orbyx), as the distributor of  
this Nexxtech product (your “Product”).  
What Does This Warranty Cover?  
This warranty covers defects in materials or  
workmanship in your Product under normal use and  
conditions.  
What is the Period of Coverage?  
This warranty covers your Product for 12 months from  
the original purchase date.  
Who Is Covered?  
This warranty covers the original consumer purchaser.  
Coverage terminates if you sell or otherwise transfer  
your Product.  
What Will We Do To Correct Problems?  
We will repair your Product or replace your Product with  
a new or reconditioned equivalent product, at our  
option.  
How Do You Get Service?  
Distributed exclusively in the U.S. by  
Orbyx Electronics, LLC  
501 South Cheryl Lane,  
Walnut, CA 91789  
Call Orbyx TOLL FREE at 1-866-363-3059 for  
instructions for obtaining warranty service from Orbyx’s  
authorized service providers.  
Or, return your Product directly to the retail store from  
which you purchased the Product.  
Imported in Canada for/Importé au Canada pour  
Orbyx Electronics,  
Concord, Canada, L4K 4M3  
When you obtain service for your Product, you must  
provide a purchase receipt (or other proof of the original  
purchase date) and a description of the defect(s).  
Manufactured in China  
What Does This Warranty Not Cover?  
For parts, service, and general inquiries please call 1-866-363-3059  
This warranty DOES NOT COVER:  
damage due to misuse, abuse, alteration, unauthorized  
repair, or accident (such as improper electrical current);  
Limited Warranty/Garantie Limiteé  
U.S.A & Canada  
© 2004 ORBYX Electronics. All Rights Reserved.  
damage due to “acts of God” (such as lightning) or  
other contingencies beyond our control;  
cosmetic damage;  
externally generated static, signal reception or antenna  
problems not caused by your Product; or batteries.  
This warranty also DOES NOT COVER, and in no case  
will we be liable for, any incidental damages (such as  
transportation costs to and from an authorized service  
provider, or loss of time) or consequential damages  
(such as costs of repairing or replacing other property  
which is damaged, including tapes, discs, speakers not  
included with your Product or other accessories, or  
external electrical systems) resulting from the use of  
your Product. Some states do not allow the exclusion or  
limitation of incidental or consequential damages, so  
the above limitation or exclusion may not apply to you.  
Defacing the serial number, or using your Product for  
commercial or institutional purposes, voids this  
warranty.  
Are There Other Warranties?  
There are no express warranties other than those  
expressed herein. Neither the sales personnel nor any  
other person is authorized to make any other warranties  
or to extend the duration of any warranties.  
ANY IMPLIED WARRANTIES, INCLUDING ANY  
IMPLIED WARRANTY OF MERCHANTABILITY (AN  
UNWRITTEN WARRANTY THAT A PRODUCT IS FIT  
FOR ORDINARY USE), ARE LIMITED TO 90 DAYS.  
Some states do not allow limitations on how long an  
implied warranty lasts, so the above limitation may not  
apply to you.  
How Does State Law Apply?  
This warranty gives you specific legal rights, and you  
may also have other rights which vary from state to  

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