Radio Shack Calculator 65 500 User Guide

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65-500  
OWNER’S MANUAL — Please read before using this equipment.  
Thank you for purchasing the RadioShack Translucent Calculator 3-Pk. Its compact size lets  
you conveniently use it to perform calculations almost anywhere. There are three calculators,  
so you can leave one at home, one at the office, or any place else.  
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If an icon appears at the end of a paragraph, go  
to the box on that page with the corresponding  
icon for pertinent information.  
M+ — Enter a number or calculation,  
M– — Enter a number or calculation, then press M–  
to subtract the number/answer from the value  
then press M+ to add the number/  
Rý— Warning  
. — Caution  
± — Note  
— Important  
#
answer to memory.  
stored in memory.  
° — Hint  
MRC — Press once  
to recall a value from  
memory. Press twice  
to clear previously  
stored memory.  
Automatic Shut-Off — Conserves  
battery power by turning off your  
calculator about five to ten  
minutes after the last entry.  
8-Digit Calculator — Performs  
standard arithmetic calculations  
( +, –, ×, ÷).  
ON/C — Press to turn on the  
calculator. Press while the  
calculator is on to clear the  
display to &$  
OFF — Press to turn off the  
calculator.  
CE — Clears the current entry.  
Constant Calculations — Lets  
you add, subtract, divide, or  
multiply the same number over  
and over without having to re-  
enter that number.  
— Quickly computes the square  
root of the displayed number.  
% — Use to calculate discounts, percentages, and tax  
amounts.  
point. The memory contents remain  
unchanged.  
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You try to divide by 0.  
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Operation  
You try to calculate the square root of a  
negative number.  
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If you do not press a key for about five to ten  
minutes, the calculator automatically turns off  
and you lose any pending calculation.  
Press ON/C to turn on the calculator. Press  
ON/C again to clear the calculator for the next  
entry. &$ appears. To turn off the calculator,  
press OFF. ±  
If ;HHEH appears, press ON/C.  
Care  
Keep the calculators dry; if they get wet, wipe  
them dry immediately. Use and store the  
calculators only in normal temperature  
environments. Handle the calculators carefully;  
do not drop them. Keep the calculators away  
from dust and dirt, and wipe them with a damp  
cloth occasionally to keep them looking new.  
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If you perform a calculation that results in an  
overflow error, follow these steps to estimate  
the correct result to eight significant digits.  
• If you enter an incorrect value, press CE,  
then enter the correct value and continue  
your calculation.  
1. Count the number of digits to the left of  
the decimal point.  
If your calculators are not performing as they  
should, take them to your local RadioShack  
store for assistance. Modifying or tampering with  
the calculator’s internal components can cause  
a malfunction and might invalidate their  
warranty.  
To clear the display for a new  
calculation, press ON/C. &$ýappears.  
2. Remove the decimal point.  
• If you press an incorrect function key (+,  
–, ×, ÷), simply press the correct key and  
continue your calculation.  
3. Add as many zeros to the right of the  
number as there were digits to the left of  
the decimal point. For example, if ;HHEHý  
'$&'*(&,* appears, the approximate  
answer is 101,420,640. If ;HHEHý  
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;HHEH appears on the upper right corner of  
)'/"-&)*- appears, the approximate  
answer is 31,970,347,000.  
the display when:  
• A calculation result exceeds eight digits  
(overflow error). See “Estimating  
Calculation Results”.  
• A memory calculation result exceeds  
eight digits to the left of the decimal  
© 2002 RadioShack Corporation.  
All Rights Reserved.  
RadioShack and RadioShack.com are trademarks  
used by RadioShack Corporation.  
Download from Www.Somanuals.com. All Manuals Search And Download.  

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