Sharp QS-2130 User Manual Page 1

®QS-2130ELECTRONIC CALCULATOROPERATION MANUALMODEL

9Replacing the Backup BatteryThe backup battery can support the solar cell for approximately seven years at room temperature(20°C/68°F).If a weak batt

10“MEMORY SAFE GUARD” function — The contents of the memory are retained even when thecalculator is turned off. A value stored in memory will thus rem

11CALCULATION EXAMPLESNOTE: Depress the key prior to beginning any calculation.If nothing appears on the display during calculation do not conti

12CALCULATION EXAMPLE OPERATION DISPLAY2 × 2 = 22 =•0•2 4.2 × 2 × 2 = 23 = K0•2 8.•F•7 0.14285714285√—7 =•F•7 2.64575131106295 × 8 =K0•295

13CALCULATION EXAMPLE OPERATION DISPLAY• Before beginning, depress the key to clear the contents of the memory register.135 ×$4.00 = ?(1) 135 4 5

14PERCENT MARK-UP BASED ON COST ( )Calculate the selling price and the gross profit from the cost of $8,160 on the basis of a 15% profit onthe selli

15AVERAGINGCalculate the average of a series of values.EXAMPLE: Day SalesMonday... $123.15Tue

16USING THE 2ND MEMORYEXAMPLE:(874 − 557) × (7 + 8)(1746 + 876) ÷ (12 + 23)= Operation Display 0.12 23 23.M0.M17

17ERRORSThere are several situations which will cause an overflow or an error condition.When this occurs, an error symbol “E” will be displayed.The ,

18SPECIFICATIONSType: Electronic calculatorOperating capacity: 12 digitsDecimal point: Read in: Floating up to 11 decimal placesResult: Decimal-Set (F

1OPERATIONAL NOTESThank you for your purchase of the SHARP electronic calculator, model QS-2130.To insure trouble-free operation of your SHARP calcula

19MEMO

20MEMO

SHARP ELECTRONICS CORPORATIONSharp Plaza, Mahwah, New Jersey 07430-2135SHARP CORPORATIONPRINTED IN CHINA00LT(TINSE0433THZZ)

2THE KEYBOARDSolar cell431 27911128106513141517161822211920

3OPERATING CONTROLS1 CONSTANT MODE SELECTOR:“K” position: The following constant functions will be performed.Multiplication: The calculator will a

4Example: Set decimal/add mode selector at A, 5/4A. Enter 12 3 Read 12.30B. Enter 123 Read 123.1 00 12’300.00C. Enter 2 Read 2.3 0.674 ACC

57 ITEM COUNT KEY:The counter will count the number of times that the key has been depressed in theaddition.Note: Each time the key is used in

611 CHANGE SIGN KEY:Changes the sign of a number from a positive to a negative or a negative to a positive. Positive NegativeExamp

719 DIVISION KEY:Orders division.20 MULTIPLICATION KEY:Orders multiplication.21 1ST MEMORY KEYS:These keys have access to the 1s

8POWER SUPPLYThis calculator has a solar cell and is energized by electrical energy produced by the solar cell. Thesolar cell converts luminous energy