Radio Shack EC-2037 Owner's Manual

Cat. No. 65-534OWNER’S MANUALPlease read before using this equipment.EC-203710-Digit Dual-PoweredMetal Case Desktop Calculatorwith Tilt Display

10Reciprocal Example: 1/8 = 0.125Exponent Example: 76 = 117649Square Example:42 = 16 You Press You See1 ÷ 8 = 0.125You Press You See7 × = = = = = 117,

11Square Root Example: = 4 Memory Calculations To store a value in memory, first press ON/C to clear all calcula-tions and MC (memory clear) to clea

12Example:2392 + 576 ————— – 73 = –64.61582 786 – 432 You Press You SeeON/C MC0.786 M+M 786.432 M–M 432.2392 +M 2,392.576 ÷ M 2,968.MRM 354.–M 8.38418

13CARE To enjoy your RadioShack EC-2037 calculator for a long time:• Keep the calculator dry. If it gets wet, wipe it dry immedi-ately.• Use and store

14REPLACING THE BATTERY Although your calculator uses solar power most of the time, thebackup battery will eventually become weak and need replac-ing.

15SPECIFICATIONS Power Source ... Solar Panelor One 389A Button-Cell BatteryOperating Temperatu

RadioShackA Division of Tandy CorporationFort Worth, Texas 76102RS65-634O/M12A99 Printed in Hong KongLimited Ninety-Day WarrantyThis product is warran

2FEATURES Your RadioShack EC-2037 10-Digit Dual-Powered Metal CaseDesktop Calculator has two power sources so you can use it al-most anywhere. Its bui

3CONTENTS Operation ... 4Turning the CalculatorOn and Off ...

4OPERATION TURNING THE CALCULATORON AND OFF Press ON/C to turn on yourcalculator, then tilt the displayto the best viewing angle. To clear a calculati

5CORRECTING ENTRY ERRORS If you enter an incorrect value, press CE once. Then enter thecorrect value and continue your calculation. If you press an in

6Estimating Calculation Results If you perform a calculation that results in an overflow error, youcan estimate the correct result (to 10 significant

7CALCULATION EXAMPLES You can perform basic calculations (addition, subtraction, andso on) with this calculator as you would with most other calcula-t

8ConstantsFor multiplication, the first value you enter is the constant. Foraddition, subtraction, and division, the second value you enter isthe cons

9PercentageExample: 20% of 720 is 144.Add-OnExample: 30% added to 540 is 702.Discount Example: 800 discounted by 20% is 640.You Press You See720 ××××