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Sharp QS-2130 - page 1
® QS-2130 ELECTRONIC CALCULA TOR OPERA TION MANUAL MODEL ...
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1 OPERA TIONAL NOTES Thank you for your purchase of the SHARP electronic calculator , model QS-2130. T o insure trouble-free operation of your SHARP calculator , we recommend the following: 1. The calculator should be kept in areas free from extreme temperature changes, moisture, and dust. 2. A soft, dry cloth should be used to clean the calculator ...
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2 THE KEYBOARD Solar cell 4 3 1 2 7 9 11 12 8 10 6 5 13 14 15 17 16 18 22 21 19 20 ...
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3 OPERA TING CONTROLS 1 CONST ANT MODE SELECTOR: “K” position: The following constant functions will be performed. Multiplication: The calculator will automatically remember the first number entered (the multiplicand) and the instruction. Division: The calculator will automatically remember the second number entered (the divisor) and the instru ...
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4 Example: Set decimal/add mode selector at A, 5/4 A . Enter 1 2 3 Read 12.30 B. Enter 123 Read 123. 1 00 12 ’ 300.00 C . Enter 2 Read 2. 3 0.67 4 ACCUMULA TION SELECTOR: “ ∑ ” position: This selector will accumulate the following: 1. Numbers entered or answers obtained with the and keys will be accumulated in the 1st memory register . 2. N ...
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5 7 ITEM COUNT KEY : The counter will count the number of times that the key has been depressed in the addition. Note: Each time the key is used in the subtraction, 1 will be subtracted from the count. When the key is pressed once, the number stored is displayed and may be used for further calculation. T o clear the counter , press the key twice. T ...
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6 11 CHANGE SIGN KEY : Changes the sign of a number from a positive to a negative or a negative to a positive. Positive Negative Example: 5 → 5. – 12 POWER ON/CLEAR KEY : Clears the contents of the calculator , excluding the memory register . • Press the key whenever there are no display indicators, meaningless display figures or signs appear ...
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7 19 DIVISION KEY : Orders division. 20 MUL TIPLICA TION KEY : Orders multiplication. 21 1ST MEMOR Y KEYS: These keys have access to the 1st memory register to store, calculate and recall numbers for further use. MEMORY PLUS : When depressed after a numeric key or a calculation this key adds the numbers or the result to the 1st memory register . ME ...
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8 POWER SUPPL Y This calculator has a solar cell and is energized by electrical energy produced by the solar cell. The solar cell converts luminous energy directly into electrical energy by utilizing the photovoltaic effect. Brightness for operation If the light exposed to the solar cell is insufficient, the calculator is not powered to operate. Wi ...
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9 Replacing the Backup Battery The backup battery can support the solar cell for approximately seven years at room temperature (20 ° C/68 ° F). If a weak battery is left in the calculator , the memory contents may be lost. When to replace: • At least once every seven years, even if the calculator is functioning properly . • The memory content ...
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10 “MEMORY SAFE GUARD” function — The contents of the memory are retained even when the calculator is turned off. A value stored in memory will thus remain until it is changed or until the backup battery runs out. Automatic Power-Off function (A.P .O.): This calculator is automatically turned off approximately 7 minutes after the last key ope ...
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11 CALCULA TION EXAMPLES NOTE: ■ Depress the key prior to beginning any calculation. If nothing appears on the display during calculation do not continue making entries. CALCULA TION EXAMPLE OPERA TION DISPLA Y Addition & subtraction 125 + 350 + 25 = • 0 • 125 350 25 0 500. 2.50 + 4.50 − 3.00 = • A • 250 450 3 00 4.00 Note: The key ...
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12 CALCULA TION EXAMPLE OPERA TION DISPLA Y 2 × 2 = 2 2 = • 0 • 2 4. 2 × 2 × 2 = 2 3 = K0 • 2 8. • F • 7 0.14285714285 √ — 7 = • F • 7 2.64575131 106 295 × 8 = K0 • 295 8 2 ’ 360. 295 × 6 = 6 1 ’ 770. 18 ÷ 2 = K0 • 18 2 9. 12 ÷ 2 = 12 6 6. 650 × 15% = • 2 • 650 15 97.50 123 ÷ 1368 = (%) • 5/4, 2 • 123 1368 ...
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Sharp QS-2130 - page 14
13 CALCULA TION EXAMPLE OPERA TION DISPLA Y • Before beginning, depress the key to clear the contents of the memory register . 135 × $4.00 = ?(1) 135 4 540.00 M (1) 150 × 7.75 = ?(2) • 2 ∑ 150 7.75 1 ’ 162.50 M (2) 450 × 3.45 = ?(3) 450 3.45 1 ’ 552.50 M (3) = ?(4) 3 ’ 255.00 M (4) 30 + 4 = ?(1) 30 4 34.00 M (1) 15 − 3 = ?(2) • 2 ...
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Sharp QS-2130 - page 15
14 PERCENT 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 on the selling price. Calculation method: Selling price = = ➀ Grossprofit = – 8160 = ➁ ENTER DEPRESS DISPLA Y 8160 8 ’ 160. 15 9 ’ 600.00 ➀ 1 ’ 440.00 ➁ PERCENT MARK-UP BASED ON SELLING PRICE ( ) ...
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15 A VERAGING Calculate the average of a series of values. EXAMPLE: Day Sales Monday ............................................................ $123.15 T uesday ........................................................... 1 18.00 Wednesday ..................................................... 131.58 Thursday ....................................... ...
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16 USING THE 2ND MEMOR Y EXAMPLE: (874 − 557) × (7 + 8) (1746 + 876) ÷ (12 + 23) = Operation Display 0. 12 23 23. M 0. M 1746 876 2 ’ 622. M 35. M 75. M 0. M 874 874. M I 557 * 557. M I 0. M I 7 8 15. M I 317. M I 4 ’ 755. M I 75. M I 63. M I * : T o store a negative number , use the before the . ...
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17 ERRORS There are several situations which will cause an overflow or an error condition. When this occurs, an error symbol “ E ” will be displayed. The , or key must be pushed to restart the calculation. The contents of the memory at the time of the error are retained. 1. Entry of more than 12 digits. (The first 12 digits of an entry number a ...
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Sharp QS-2130 - page 19
18 SPECIFICA TIONS T ype: Electronic calculator Operating capacity: 12 digits Decimal point: Read in: Floating up to 1 1 decimal places Result: Decimal-Set (F , 3, 2, 0) with add mode Calculations: Four arithmetic calculations, Constant calculation, Add mode in addition and subtraction, Square calculation, Chain calculation, Power calculation, Perc ...
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19 MEMO ...
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20 MEMO ...
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SHARP ELECTRONICS CORPORA TION Sharp Plaza, Mahwah, New Jersey 07430-2135 SHARP CORPORA TION PRINTED IN CHINA 00L T(TINSE0433THZZ) ...
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