ENGLISH |
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SCIENTIFIC CALCULATOR |
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MODEL EL-510R |
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OPERATION MANUAL |
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INTRODUCTION ....................................................... |
2 |
DISPLAY .................................................................... |
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BEFORE USING THE CALCULATOR ...................... |
3 |
INITIAL SETUP .......................................................... |
5 |
SCIENTIFIC CALCULATIONS .................................. |
6 |
Arithmetic Operations/Constant Calculations .... |
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Functions ............................................................ |
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Random Numbers .............................................. |
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Angular Unit Conversions .................................. |
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Memory Calculations .......................................... |
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Chain Calculations ........................................... |
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Fraction Calculations ........................................ |
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Time, Decimal and Sexagesimal |
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Calculations .................................................. |
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Coordinate Conversions ................................... |
12 |
STATISTICAL CALCULATIONS ............................. |
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ERROR AND CALCULATION RANGES ................ |
14 |
BATTERY REPLACEMENT .................................... |
17 |
SPECIFICATIONS ................................................... |
18 |
INTRODUCTION
After reading this manual, store it in a convenient location for future reference.
Operational Notes
To ensure trouble-free operation, please observe the following points:
1.Do not carry the calculator in the back pocket of slacks or trousers.
2.Do not subject the calculator to extreme temperatures.
3.Do not drop it or apply excessive force.
4.Clean only with a soft, dry cloth.
5.Do not use or store the calculator where fluids can splash onto it.
♦Press the RESET switch only in the following cases:
•When using for the first time
•After replacing the batteries
•To clear all memory contents
•When an abnormal condition occurs and all keys are inoperative.
If service should be required on this calculator, use only a SHARP servicing dealer, SHARP approved service facility, or SHARP repair service where available.
DISPLAY
Symbol
98KUP (TINSE0272THZZ) PRINTED IN CHINA
01 11 20 22 23 30
– 1 –
Determination of the Angular Unit
In this calculator, the following three angular units can be specified.
DEG (°)
Press G
GRAD (g) |
RAD (Radians) |
SCIENTIFIC CALCULATIONS
•Press @m0to select the normal mode.
•In each example, press Nto clear the display.
•If the FIX, SCI, or ENG indicator is displayed, clear the indicator by pressing @f. (See page 5)
Arithmetic Operations/Constant Calculations
45+285¸3= |
N45 +285 /3 = 140. |
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18+6 = |
(18 + 6 )/ |
3.428571429 |
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15–8 |
(1 5 -8 =*1 |
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42´(–5)+120= |
42 |
*–5 +120 = –90. |
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(5´103)¸(4´10–3)= 5 E3 /4 E |
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–3 = |
1250000. |
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34+57= |
34 |
+57 |
=*2 |
91. |
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45+57= |
45 |
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102. |
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68´25= |
68 |
*25 |
=*3 |
1700. |
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68´40= |
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40 |
= |
2720. |
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*1 The closing parenthesis )just before =or ; may be omitted.
*2 The addend becomes a constant. Subtraction and division are performed in the same manner.
*3 The multiplicand becomes a constant.
– 6 –
Mantissa Exponent
(During actual use not all symbols are displayed at the same time.)
If the value of mantissa does not fit within the range ±0.000000001 – ±9999999999, the display changes to scientific notation. The display mode can be changed according to the purpose of the calculation.
– 2 –
When performing calculations using constants, constants will be displayed as K.
Functions
•Before starting calculations, specify the angular unit. (See page 6)
sin60[°]= |
Ns60 = |
0.866025403 |
π |
Gu(V/4 |
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cos–[rad]= |
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4 |
)= |
0.707106781 |
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tan–11=[g] |
G@T1 = |
50. |
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G |
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•The results of inverse trigonometric functions are displayed within the following range:
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q = sin–1 x, q = tan–1 x |
q = cos–1 x |
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DEG |
–90 £ q £ 90 |
0 £ q £ 180 |
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RAD |
p |
p |
0 £ q £ p |
– — £ q £ |
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2 |
2 |
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GRAD |
–100 £ q £ 100 |
0 £ q £ 200 |
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(cosh 1.5 + N(hu1.5 sinh 1.5)2 = +hs1.5 )
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@L= |
20.08553692 |
tanh–1–5 |
= @Ht(5 |
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7 |
/7 )= |
0.895879734 |
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ln 20 = |
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@I20 = |
2.995732274 |
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log 50 = |
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@l50 = |
1.698970004 |
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e3 = |
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@e3 = |
20.08553692 |
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101.7 = |
@¡1.7 = |
50.11872336 |
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• • |
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– 7 – |
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/ |
: Appears when the entire equation cannot be |
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displayed. Press </>to see the remain- |
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ing (hidden) section. |
2ndF |
: Appears when @is pressed, indicating that |
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the functions shown in yellow are enable. |
HYP |
: Indicates that hhas been pressed and the |
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hyperbolic functions are enabled. If @Á |
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are pressed, the symbols “2ndF HYP” appear, |
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indicating that inverse hyperbolic functions are |
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enabled. |
A: Indicates that @Kor O(R) has been pressed, and entry (recall) of memory contents and recall of statistics can be performed.
FIX/SCI/ENG: Indicates the notation used to display a value and changes each time @fare pressed.
DEG/RAD/GRAD: Indicates angular units and changes each time Gis pressed.
STAT : Appears when statistics mode is selected.
M: Indicates that a numerical value is stored in the independent memory.
BEFORE USING THE CALCULATOR
Key Notation Used in this Manual
In this manual, key operations are described as follows:
x2 To specify x2 : @L
ETo specify Exp: E
Functions that are printed in yellow above the key require @to be pressed first before the key. Numbers are not shown as keys, but as ordinary numbers.
Power On and Off
Press Nto turn the calculator on, and @ Fto turn it off.
– 3 –
• • • •
1 |
1 |
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6 @•+7 @ |
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– + – = |
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6 |
7 |
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•= |
0.309523809 |
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8–2 – 34´ 52 = |
8 ™–2 -3 ™ |
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4 *5 @L= –2024.984375 |
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1 |
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12 ™3 ™4 |
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– |
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(123)4 = |
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6.447419591 |
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@•= |
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Ö |
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–4Ö |
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= |
@⁄49 -4 @$ |
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49 |
81 |
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81 = |
4. |
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4! = |
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4 @!= |
24. |
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10P3 = |
10 @q3 = |
720. |
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5C2 = |
5 @Q2 = |
10. |
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500´25%= |
500 |
*25 @% |
125. |
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120 ÷400=?% |
120 |
/400 @% |
30. |
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500+(500´25%)= |
500 |
+25 @% |
625. |
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400–(400´30%)= |
400 |
-30 @% |
280. |
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Random Numbers
A pseudo-random number with three significant digits can be generated by pressing @`=. To generate the next random number, press =. You can perform this function in the normal and statistics modes.
•Random numbers use memory Y. Each random number is generated on the basis of the value stored in memory Y (pseudo-random number series).
Angular Unit Conversions
90°® [rad] N90 @g |
1.570796327 |
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® [g] |
@g |
100. |
® [°] |
@g |
90. |
• • • •
– 8 –
Clearing Methods
There are three clearing methods as follows:
Clearing |
Entry |
M*1 |
X,Y*2 |
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operation |
(Display) |
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STAT, ANS |
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N |
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´ |
´ |
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@c |
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´ |
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RESET |
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: Clear |
´ : Retain |
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*1 |
Independent memory M. |
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*2 |
Temporary memories X and Y, statistical data, and last |
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answer memory. |
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See page 9 for additional reference.
Editing the Equation
•Press <or >to move the cursor. You can also return to the equation after getting an answer by pressing >(<).
•If you need to delete a number, move the cursor to the number you wish to delete then press d.
The number under the cursor will be deleted.
•If you need to insert a number, move the cursor to the place immediately after where you wish to insert the number then enter the number.
Priority Levels in Calculation
This calculator performs operations according to the following priority:
1 Functions preceded by their argument (x-1, x2, n!, etc.) 2 Yx, x¿ 3 Implied multiplication of a memory value (2Y, etc.) 4 Functions followed by their argument (sin, cos, etc.) 5 Implied multiplication of a function (2sin30, etc.) 6 nCr, nPr 7 ´, ¸ 8 +, – 9 =, M+, M–, ÞM, |DEG, |RAD, |GRAD, DATA, CD, ®rq, ®xy and other calculation ending instruction
•If parentheses are used, parenthesized calculations have precedence over any other calculations.
–4 –
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• • • • |
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@S0.8 = |
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sin–10.8 = [°] |
53.13010235 |
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® [rad] |
@g |
0.927295218 |
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® [g] |
@g |
59.03344706 |
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® [°] |
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@g |
53.13010235 |
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Memory Calculations
This calculator has two temporary memories (X and Y), one independent memory (M) and one last answer memory. Independent memory and temporary memories are only available in the normal mode.
[Temporary memories (X and Y)]
A stored value can be recalled as a value or variable for the use in equations.
•In case you store an infinite decimal in the memory, recall it as a variable to obtain accurate answers.
Ex.) 1 |
/3 OY (0.3333...is stored to Y) |
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3 |
*RY= |
0.999999999 |
3 |
*@KY= |
1. |
[Independent memory (M)]
In addition to all the features of temporary memories, a value can be added to or subtracted from an existing memory value.
[Last answer memory (ANS)]
The calculation result obtained by pressing =or any other calculation ending instruction is automatically stored in the last answer memory.
Note:
Calculation results from the functions indicated below are automatically stored in memories X or Y. For this reason, when using these functions, be careful with the use of memories X and Y.
•Random numbers .................. Y memory
•®rq, ®xy ............................... X memory, Y memory
Temporary memories and last answer memory are cleared even when the same mode is reselected.
See page 4 for additional reference.
– 9 –
INITIAL SETUP
Mode Selection
Normal mode: @m0
Used to perform arithmetic operations and function calculations.
Statistics mode: @m1
Used to perform statistical calculations.
When executing mode selection, temporary memories, statistical data and last answer memory will be cleared even when reselecting the same mode.
Selecting the Display Notation and Decimal
Places
The calculator has four display notation systems for displaying calculation results. When FIX, SCI, or ENG symbol is displayed, the number of decimal places can be set to any value between 0 and 9. Displayed values will be reduced to the corresponding number of digits.
100000÷3= |
N100000/3= 33333.33333 |
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[Floating point] |
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→[Fixed decimal point] |
@f |
33333.33333 |
[TAB set to 2] |
@i2 |
33333.33 |
→[SCIentific notation] |
@f |
3.33×104 |
→[ENGineering notation] @f |
33.33×103 |
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→[Floating point] |
@f |
33333.33333 |
•If the value for floating point system does not fit in the following range, the calculator will display the result
using scientific notation system: 0.000000001 £ | x | £ 9999999999
– 5 –
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N8 *2 OM |
16. |
24÷(8´2)= |
24 /RM= |
1.5 |
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RM*5 = |
80. |
(8´2)´5= |
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NOM |
0. |
$150´3:M1 |
150 *3 ; |
450. |
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+)$250:M2 =M1+250 |
250 ; |
250. |
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–)M2´5%:Discount |
RM*5 @% 35. |
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Total=M |
@:RM |
665. |
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$1= ¥140 |
140 OY |
140. |
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¥33,775=$? |
33775 /RY= 241.25 |
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$2,750=¥? |
2750 *RY= 385000. |
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r = 3cm |
3 OY |
3. |
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pr2 = ? |
V@K* |
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(r ® Y) |
Y@L= 28.27433388 |
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24 /(4 +6 ) |
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24 |
= 2.4...(A) |
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2.4 |
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4+6 |
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3 *?+60 / |
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3´(A)+60÷(A)= |
?= |
32.2 |
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*Entry of the multiplication procedure is omitted between "p" and a variable.
Chain Calculations
This calculator allows the preivious calculation result to be used in the following calculation.
6+4=ANS |
N6 |
+4 = |
10. |
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ANS+5 |
+5 |
= |
15. |
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44+37=ANS |
44 +37 = |
81. |
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Ö |
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@⁄= |
9. |
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ANS |
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The previous calculation result will not be recalled after entering multiple instructions.
– 10 –
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