Sharp Calculator EL506XBWH User Manual

Determination of the Angular Unit  
This calculator has three angular units: DEG (°), RAD (Radians)  
and GRAD (g).  
Press @G to specify the angular unit.  
Time, Decimal and Sexagesimal Calculations  
(11)  
y
sy  
Means of samples (y data)  
ENGLISH  
Conversion between decimal and sexagesimal numbers can be  
performed. In addition, the four basic arithmetic operations and  
memory calculations can be carried out using the sexagesimal  
system.  
Sample standard deviation (y data)  
Population standard deviation (y data)  
Sum of samples (y data)  
Sum of squares of samples (y data)  
Sum of products of samples (x, y)  
Correlation coefficient  
Coefficient of regression equation  
Coefficient of regression equation  
Coefficient of quadratic regression equation  
SCIENTIFIC CALCULATOR  
EL-506V  
MODEL EL-546V  
σy  
Σ y  
Σ y2  
Σ xy  
r
a
b
c
2
OPERATION MANUAL  
Coordinate Conversions  
(12)  
SCIENTIFIC CALCULATIONS  
PRINTED IN CHINA / IMPRIMÉ EN CHINE  
Before performing a calculation, select the angular unit.  
00LUP (TINSK0443EHZZ)  
Press @ m 0 to select the normal mode.  
In each example, press ª to clear the display. And if the FIX,  
SCI, or ENG indicator is displayed, clear the indicator by press-  
ing @ f.  
Y
Y
P (x,y)  
P (r,θ)  
r
y
θ
X
INTRODUCTION  
X
0
0
x
Entered data are kept in memory until @ c or @ m  
3 are pressed. Before entering new data, clear the memory  
contents.  
Polar coord.  
Rectangular coord.  
About operation examples, please refer to the attached sheet.  
Refer to the number on the right of each title for use.  
After reading this manual, store it in a convenient location for future  
reference.  
Arithmetic Operations  
(2)  
The closing parenthesis ) just before = or ; may be  
Refer to the Note of the Memory Calculations section.  
omitted.  
[Data Entry]  
Single-variable data  
Calculations Using Physical Constants  
See the quick reference card and the other side of the Operation  
Examplessheet.  
A constant is recalled by pressing ß followed by the number of  
the physical constant. You have to designate the physical constant  
using 2-digit numbers. For example, speed of light in vacuum  
should be designated as 01.  
(13)  
Constant Calculations  
(3)  
Note :One of the models described in this manual may not be  
available in some countries.  
Data k  
In the constant calculations, the addend becomes a constant.  
Data & frequency k (To enter multiples of the same  
Subtraction and division are performed in the same manner. For  
multiplications, the multiplicand becomes a constant.  
When performing calculations using constants, constants will be  
displayed as K.  
data)  
Operational Notes  
Two-variable data  
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:  
Data x & Data y k  
Data x & Data y & frequency k (To enter multiples  
of the same data x and y.)  
The recalled constant appears in the display mode selected with  
the designated number of decimal places.  
Functions  
(4)  
Refer to operation examples of each function.  
Before starting calculations, specify the angular unit.  
[Data Correction]  
Correction prior to pressing k:  
Physical constants can be recalled in the normal mode (when not  
set to binary, octal, or hexadecimal), 3-VLE mode, or statistics  
mode.  
Delete incorrect data with ª.  
Differential/Integral Functions  
(5)  
Correction after pressing k:  
Differential and integral calculations are only available in the nor-  
mal mode. For calculation conditions such as the x value in differ-  
ential calculation or the initial point in integral calculation, only  
numerical values can be entered and equations such as 22 cannot  
be specified. It is possible to reuse the same equation over and  
over again and to recalculate by only changing the conditions  
without re-entering the equation.  
The inputted statistical data can be traced back by pressing  
[. Display the data to correct, press @J to delete,  
then input the correct value.  
Note: Physical constants and metric conversions are based either  
on the 1986 values released by the Committee on Data for  
Science and Technology (CODATA) of ICSU (International  
Council of Scientific Unions) or on ISO specifications.  
When using for the first time  
After replacing the batteries  
To clear all memory contents  
When an abnormal condition occurs and all keys are inopera-  
tive.  
Statistical Calculation Formulas  
Refer also to the operation examples sheets.  
(22)  
Metric Conversions  
See the quick reference card and the other side of the Operation  
Examplessheet.  
Unit conversions can be performed in the normal (when not set to  
binary, octal, or hexadecimal), 3-VLE and statistics modes.  
(14)  
If service should be required on this calculator, use only a SHARP  
servicing dealer, SHARP approved service facility, or SHARP re-  
pair service where available.  
Type  
Linear  
Regression formula  
When performing a calculation, the value stored in the X memory  
will be cleared.  
y = a + bx  
y = a ebx  
y = a + b ln x  
y = a xb  
When performing a differential calculation, enter formula first  
and then enter x value in differential calculation and minute  
interval (dx). If a numerical value is not specified for minute  
interval, x0 will be x×104 and x=0 will be 104 from the value of  
the numeric derivative.  
Exponential  
Logarithmic  
Power  
Hard Case  
Modify Function  
(15)  
In this calculator, all calculation results are internally obtained in  
scientific notation with up to 12 digits for the mantissa. However,  
since calculation results are displayed in the form designated by  
the display notation and the number of decimal places indicated,  
the internal calculation result may differ from that shown in the  
display. By using the modify function, the internal value is con-  
verted to match that of the display, so that the displayed value can  
be used without change in subsequent operations.  
1
y = a + b —  
x
Inverse  
When performing a integral calculation, enter formula first and  
then enter a range of integral (a, b) and subintervals (n). If a  
numerical value is not specified for subintervals, calculation will  
be performed using n=100.  
Quadratic  
y = a + bx + cx2  
In the statistical calculation formulas, an error will occur when:  
the absolute value of the intermediate result or calculation result  
Since differential and integral calculations are performed based on  
the following equations, correct results may not be obtained, in  
certain rare cases, when performing special calculations which  
contain discontinuous points.  
is equal to or greater than 1 × 10100  
.
DISPLAY  
the denominator is zero.  
an attempt is made to take the square root of a negative number.  
no solution exists in the quadratic regression calculation.  
Symbol  
Integral calculation (Simpsons rule):  
SIMULATION CALCULATION  
(16)  
Equation  
Display  
Normal Probability Calculations  
Refer also to the operation examples sheet.  
P(t), Q(t), and R(t) will always take positive values, even when  
t<0, because these functions follow the same principle used  
when solving for an area.  
(19) (23)  
1
3
b a  
N
N=2n  
axb  
If you have to find a value consecutively using the same formula,  
such as plotting a curve line for 2x2 + 1, or finding the variable for  
2x + 2y =14, once you enter the equation, all you have to do is to  
specify the value for the variable in the formula.  
Usable variables: A-D, M, X and Y  
S=h{ƒ(a)+4{ƒ(a+h)+ƒ(a+3h)+······+ƒ(a+(N1)h)}  
h=  
+2{ƒ(a+2h)+ƒ(a+4h)+······+ƒ(a+(N2)h)}+f(b)}  
Mantissa  
Exponent  
Differential calculation:  
Values for P(t), Q(t), and R(t) are given to six decimal places.  
Unusable functions: RANDOM  
(During actual use not all symbols are displayed at the same time.)  
dx  
2
dx  
2
Simulation calculations can only be executed in the normal mode.  
Calculation ending instructions (%, etc.) other than = cannot  
be used.  
f(x+––)f(x)  
: Appears when the entire equation cannot be displayed.  
Press </> to see the remaining (hidden) section.  
xy/rθ : Indicates the mode of expression of results in the com-  
/
f’(x)=————————  
dx  
ERROR AND CALCULATION RANGES  
Errors  
plex calculation mode.  
Performing Calculations  
[When performing integral calculations]  
Integral calculations, depending on the  
integrands and subintervals included, require  
longer calculation time. During calculation,  
Calculating!will be displayed. To cancel cal-  
culation, press ª. In addition, please note  
that there will be greater integral errors when  
there are large fluctuations in the integral val-  
ues during minute shifting of the integral range  
and for periodic functions, etc., where positive  
and negative integral values exist depending  
on the interval.  
For the former case, divide integral intervals  
as small as possible. For the latter case,  
separate the positive and negative values.  
Following these tips will allow results of cal-  
culations with greater accuracy and will also  
shorten the calculation time.  
An error will occur if an operation exceeds the calculation ranges,  
or if a mathematically illegal operation is attempted. When an error  
occurs, pressing < (or >) automatically moves the cursor  
back to the place in the equation where the error occurred. Edit the  
equation or press ª to clear the equation.  
1
2
3
4
Press m0.  
2ndF : Appears when @ is pressed, indicating that the func-  
Input a formula with at least one variable.  
Press .  
tions shown in orange are enabled.  
y
ALPHA : Indicates that @ K or O (R) has been  
pressed, and entry (recall) of memory contents and recall  
of statistics can be performed.  
Variable input screen will appear. Input the value of the flashing  
variable, then press ® to confirm. The calculation result will  
be displayed after entering the value for all used variables.  
Error Codes and Error Types  
FIX/SCI/ENG: Indicates the notation used to display a value and  
changes each time @ f are pressed.  
DEG/RAD/GRAD: Indicates angular units and changes each time  
Only numerical values are allowed as variables. Input of for-  
mulas are not permitted.  
x
a
b
x0 x1  
x2  
Syntax error (Error 1):  
An attempt was made to perform an invalid operation.  
Upon completing the calculation, press to perform cal-  
x3  
culations using the same formula.  
@G is pressed.  
Ex. 2 +- 5 =  
y
x0  
x2  
Variables and numerical values stored in the memories will be  
displayed in the variable input screen. To change a numerical  
value, input the new value and press ®.  
ALGB  
: Appears when a simulation calculation is executed.  
b
Calculation error (Error 2):  
a
x
STAT  
The absolute value of an intermediate or final calculation result equals  
: Appears when statistics mode is selected.  
x1  
x3  
or exceeds 10100  
.
M
?
: Indicates that a numerical value is stored in the inde-  
An attempt was made to divide by 0.  
The calculation ranges were exceeded while performing calculations.  
pendent memory.  
COMPLEX NUMBER CALCULATIONS  
(17)  
: Indicates that the calculator is waiting for a numerical  
value to be entered, such as during simulation calcula-  
tion.  
Depth error (Error 3):  
The available number of buffers was exceeded. (There are 8 buffers*  
for numeric values and 16 buffers for calculation instructions). *4  
buffers in STAT and the complex number mode.  
To carry out addition, subtraction, multiplication, and division using  
complex numbers, press @m1 to select the complex  
number mode.  
There are two modes of expression of the results of complex  
number calculations.  
Random Numbers  
: Appears when the calculator shows an angle as the  
A pseudo-random number with three significant digits can be gen-  
erated by pressing @ ` =. To generate the next ran-  
dom number, press =. You can perform this function in the  
normal and statistics modes. (You cannot perform this function  
while you are using the N-Base function.)  
result in the complex calculation mode.  
Equation too long (Error 4):  
The equation exceeded its maximum input buffer (142 characters).  
An equation must be shorter than 142 characters.  
i
: Indicates an imaginary number is being displayed in the  
1
2
Rectangular coordinate mode. (xy appears on the display.)  
complex calculation mode.  
∑2  
Equation recall error (Error 5):  
Random numbers use memory Y. Each random number is gen-  
erated on the basis of the value stored in memory Y (pseudo-  
random number series).  
Polar coordinate mode. (rθ appears on the display.)  
The stored equation contains a function not available in the  
mode used to recall the equation. For example, if a numerical  
value with numbers other than 0 and 1 is stored as a decimal,  
etc., it cannot be recalled when the calculator is set to binary.  
∑1  
BEFORE USING THE CALCULATOR  
Complex number entry  
Angular Unit Conversions  
(6)  
1
Rectangular coordinates  
Key Notation Used in this Manual  
Each time @g are pressed, the angular unit changes in  
x-coordinate + y-coordinate Ü  
or x-coordinate + Ü y-coordinate  
Polar coordinates  
In this manual, key operations are described as follows:  
sequence.  
Calculation Ranges  
Refer also to the operation examples sheet.  
Within the ranges specified, this calculator is accurate to ±1 in  
the least significant digit of the mantissa. When performing con-  
tinuous calculations (including chain calculations), errors accu-  
mulate leading to reduced accuracy.  
(24)  
To specify ex  
To specify E (HEX) : E  
: @e  
ex  
x
E
2
Memory Calculations  
(7)  
r Ö θ  
ln  
The calculator has six temporary memories (A-D, X and Y), one  
independent memory (M) and one last answer memory (ANS). EL-  
506V is also equipped with formula memories (F1 and F2) for  
storing formulas.  
r: absolute value  
To specify ln  
: I  
θ: argument  
To specify X  
: @KX  
Upon changing to another mode, the imaginary portion of any  
complex number stored in the independent memory (M) will be  
cleared.  
Functions that are printed in orange above the key require @ to  
be pressed first before the key. Numbers are not shown as keys,  
but as ordinary numbers.  
Calculation ranges  
±10-99 ±9.999999999×1099 and 0.  
Mode  
ANS  
M, F1, F2  
A-D, X,Y  
A complex number expressed in rectangular coordinates with  
the y-value equal to zero, or expressed in polar coordinates with  
the angle equal to zero, is treated as a real number.  
If the absolute value of an entry or a final or intermediate result of a  
calculation is less than 1099, the value is considered to be 0 in  
calculations and in the display.  
Power On and Off  
Normal  
Complex  
3-VLE  
Press ª to turn the calculator on, and @ F to turn it off.  
×
×
×
Clearing Methods  
There are three clearing methods as follows:  
×
×
×
SIMULTANEOUS LINEAR EQUATIONS  
WITH THREE UNKNOWNS  
Statistic  
BATTERY REPLACEMENT  
(18)  
Clearing  
Entry  
M
F1, F2  
A-D, X,Y  
operation  
(Display)  
STAT, ANS*1  
Notes on Battery Replacement  
Improper handling of batteries can cause electrolyte leakage or  
explosion. Be sure to observe the following handling rules:  
Replace both batteries at the same time.  
Do not mix new and old batteries.  
Make sure the new batteries are the correct type.  
When installing, orient each battery properly as indicated in the  
calculator.  
: Available  
× : Unavailable  
To solve simultaneous linear equations with three unknowns, press  
@m2 to select the 3-VLE mode.  
ª
@c  
RESET  
×
×
×
[Temporary memories (A-D, X and Y)]  
A stored value can be recalled as a value or variable for the use in  
equations.  
Simultaneous Linear Equations with Three Unknowns:  
a1  
a2  
a3  
b
b
b
1
2
3
c
c
c
1
2
3
a
a
a
1x + b1y + c1z = d1  
2x + b2y + c2z = d2  
3x + b3y + c3z = d3  
In case you store an infinite decimal in the memory, recall it as a  
variable to obtain accurate answers.  
D =  
: Clear  
× : Retain  
Ex.) 1 / 3 O Y  
3 * R Y =  
(0.3333...is stored to Y)  
1
*
Statistical data and last answer memory.  
0.999999999  
1.  
Refer to the Memory Calculations section.  
Notes:  
If the determinant D = 0, an error occurs.  
When to Replace the Batteries  
3 * @ K Y =  
If the display has poor contrast or nothing appears on the display  
even when ª is pressed in dim lighting, it is time to replace the  
batteries.  
If the absolute value of an intermediate result or calcu-  
Editing the Equation  
lation result is 1 × 10100 or more, an error occurs.  
Press < or > to move the cursor. You can also return to  
the equation after getting an answer by pressing > (<).  
See below for Multi-line playback function.  
[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.  
Performing Calculations  
Caution  
1
2
Press @m2.  
If you need to delete a number, move the cursor to the number  
Keep batteries out of the reach of children.  
Exhausted batteries left in the calculator may leak and damage  
the calculator.  
Explosion risk may be caused by incorrect handling.  
Batteries must be replaced only with others of the same type.  
Do not throw batteries into a fire as they may explode.  
Enter each coefficient from a1 to d3 followed by ®, as  
prompted on the display.  
[Last answer memory (ANS)]  
you wish to delete then press d.  
The calculation result obtained by pressing = or any other  
calculation ending instruction is automatically stored in the last  
answer memory.  
The number under the cursor will be deleted.  
3
Upon pressing ® after entering d3, the solution for x will be  
displayed. Subsequent pressing will cycle through the values of  
y, z and the determinant D.  
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.  
[Formula memories (F1 and F2)] : available only on EL-506V  
Formulas up to 80 characters each can be stored. As with storing  
numerical values in the memory, storing a new equation will auto-  
matically replace any existing equation in memory without notifica-  
tion.  
Coefficients can be entered using ordinary arithmetic operations.  
To clear the entered coefficients, press @c.  
Multi-line Playback function  
(1)  
Replacement Procedure  
Note: Pressing ® when the determinant D is in the display  
recalls the coefficients. Each time ® is pressed, a coeffi-  
cient is displayed in the order of input, allowing the entered  
coefficients to be verified. (by pressing , coeffi-  
cients are displayed in reverse order.)  
This calculator is equipped with a function to recall previous equa-  
tions. Equations also include calculation ending instructions such  
as “=” and a maximum of 142 characters can be stored in memory.  
When the memory is full, stored equations are deleted in the order  
of the oldest first. Pressing [ will display the previous equa-  
tion. Further pressing [ will display preceding equations (after  
returning to the previous equation, press ] to view equations  
in order). In addition, @[ can be used to jump to the oldest  
equation.  
The multi-line memory is cleared by the following operations:  
@c, mode change, RESET, and N-base conversion.  
For EL-546V, in addition to the above, pressing @F  
(including the Automatic Power Off feature) will also clear the  
multi-line memory.  
1. Turn the power off by pressing @ F.  
2. Remove two screws. (Fig. 1)  
3. Slide the battery cover slightly and lift it to remove.  
4. Remove the used batteries by prying them with a ball-point pen  
or other similar pointed device. (Fig. 2)  
5. Install two new batteries. Make sure the +side facing up.  
6. Replace the cover and screws.  
Note:  
Calculation results from the functions indicated below are auto-  
matically stored in memories X or Y. For this reason, when using  
these functions, be careful with the use of memories X and Y.  
To correct a particular coefficient being displayed, enter the  
correct value and then press ®.  
If the coefficients c1, c2 and c3 as well as a3 d3 are set to zero, the  
problem is treated as a 2-dimensional simultaneous equation. The  
x and y values as well as the determinant can be retrieved.  
Random numbers .................. Y memory  
rθ, xy ............................... X memory (r or x),  
Y memory (θ or y)  
7. Press the RESET switch (on the back).  
Make sure that the display appears as shown below. If the  
display does not appear as shown, remove the batteries reinstall  
them and check the display once again.  
Temporary memories and last answer memory are cleared even  
when the same mode is reselected.  
Chain Calculations  
(8)  
STATISTICAL CALCULATIONS  
This calculator allows the previous calculation result to be used in  
the following calculation.  
The previous calculation result will not be recalled after entering  
multiple instructions.  
Priority Levels in Calculation  
Statistical calculations are performed in the statistics mode. Press  
@m3 to select the statistics mode. This calculator per-  
forms the seven statistical calculations indicated below. After se-  
lecting the statistics mode, select the desired sub-mode by press-  
ing the number key corresponding to your choice.  
When changing to the statistical sub-mode, press the correspond-  
ing number key after performing the operation to select the statis-  
tics mode (press @m3).  
This calculator performs operations according to the following pri-  
ority:  
(Fig. 1)  
(Fig. 2)  
1
2
Functions preceded by their argument (x-1, x2, n!, etc.)  
Implied multiplication of a memory value (2Y, etc.)  
3
5
x
Yx,  
¿
4
Fraction Calculations  
(9)  
Functions followed by their argument (sin, cos, etc.)  
multiplication of a function (2sin30, etc.)  
6
×, ÷  
Implied  
This calculator performs arithmetic operations and memory calcu-  
lations using a fraction, and conversion between a decimal number  
and a fraction.  
nC  
r,  
n
P
r
8
+, –  
7
9
10  
AND  
11  
OR, XOR, XNOR  
1
2
=, M+, M–, M, |DEG, |RAD,  
|GRAD, DATA, CD, rθ, xy and other calculation ending in-  
struction  
In all cases, a total of up to 10 digits including integer, numera-  
tor, denominator and the symbol (l) can be entered.  
If the number of digits to be displayed is greater than 10, the  
number is converted to and displayed as a decimal number.  
A decimal number, variable, or exponent cannot be used in a  
fraction.  
0 (STAT 0) : Single-variable statistics  
Automatic Power Off Function  
This calculator will turn itself off to save battery power if no key is  
pressed for approximately 10 minutes.  
If parentheses are used, parenthesized calculations have prec-  
edence over any other calculations.  
1 (STAT 1) : Linear regression calculation  
2 (STAT 2) : Quadratic regression calculation  
3 (STAT 3) : Exponential regression calculation  
4 (STAT 4) : Logarithmic regression calculation  
5 (STAT 5) : Power regression calculation  
6 (STAT 6) : Inverse regression calculation  
INITIAL SETUP  
SPECIFICATIONS  
Binary, Octal, Decimal, and Hexadecimal Operations  
Mode Selection  
(N-Base)  
(10)  
Calculations:  
Scientific calculations, complex number  
calculations, simultaneous linear  
equations with three unknowns, statistical  
calculations, etc.  
Mantissas of up to 12 digits  
16 calculations 8 numeric values  
(4 numeric values in STAT and complex  
number mode)  
This calculator can perform conversions between numbers ex-  
pressed in binary, octal, decimal and hexadecimal systems. It can  
also perform the four basic arithmetic operations, calculations with  
parentheses and memory calculations using binary, octal, decimal,  
and hexadecimal numbers. In addition, the calculator can carry out  
the logical operations AND, OR, NOT, NEG, XOR and XNOR on  
binary, octal and hexadecimal numbers.  
Normal mode (NORMAL): @m0  
The following statistics can be obtained for each statistical calcula-  
tion (refer to the table below):  
Used to perform arithmetic operations and function calculations.  
Complex number mode (CPLX): @m1  
Internal calculations:  
Pending operations:  
Single-variable statistical calculation  
and value of the normal probability function  
(19)  
Used to perform arithmetic operations with complex numbers.  
Statistics of  
1
3-VLE mode (3-VLE): @m2  
Linear regression calculation  
Statistics of and  
(20)  
Used to perform simultaneous linear equations with three unknowns.  
Conversion to each system is performed by the following keys:  
Power source:  
Built-in solar cells  
1
2
and, in addition, estimate of y for a given x  
Statistic mode (STAT): @m3  
3V (DC):  
(estimate y´) and estimate of x for a given y (estimate x´)  
: Converts to the binary system. “ ” appears.  
: Converts to the octal system. “ ” appears.  
: Converts to the hexadecimal system. “ ” appears.  
Used to perform statistical calculations.  
Backup batteries (Alkaline batteries (LR44)  
× 2)  
Exponential regression, Logarithmic regression,  
Power regression, and Inverse regression calculation  
When executing mode selection, temporary memories, statistical  
data and last answer memory will be cleared even when reselecting  
the same mode.  
Operating temperature: 0°C 40°C (32°F 104°F)  
External dimensions:  
78.6 mm (W) × 152 mm (D) × 10.5 mm (H)  
3-3/32(W) × 5-31/32(D) × 13/32(H)  
Approx. 78 g ( 0.172 lb)  
Statistics of  
1
and  
2
. In addition, estimate of y for a given x and  
estimate of x for a given y. (Since the calculator converts each  
formula into a linear regression formula before actual calculation  
takes place, it obtains all statistics, except coefficients a and b,  
from converted data rather than entered data.)  
: Converts to the decimal system. “ ”, “ ”, and “  
Weight:  
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.  
disappear from the display.  
(Including batteries)  
Conversion is performed on the displayed value when these keys  
are pressed.  
Accessories:  
Batteries × 2 (installed), operation  
manual, operation examples sheet, quick  
reference card (Physical Constants and  
Metric Conversions) and hard case  
Quadratic regression calculation  
(21)  
and coefficients a, b, c in the quadratic  
Note: In this calculator, the hexadecimal numbers A F are entered  
Statistics of and  
1
2
by pressing ë, Ñ, É, é, ç, and ,  
and displayed as follows:  
regression formula (y = a + bx + cx2). (For quadratic regression  
calculations, no correlation coefficient (r) can be obtained.) When  
there are two x´ values, press @≠.  
100000÷3=  
[Floating point]  
ª100000/3= 33333.33333  
A ï, B , C ó, D ò, E ô, F ö  
FOR MORE INFORMATION ABOUT THIS  
CALCULATOR  
When performing calculations using a, b and c, only one numeric  
value can be held.  
[FIXed decimal point]  
[TAB set to 2]  
[SCIentific notation]  
[ENGineering notation]  
[Floating point]  
@f  
@i 2  
@f  
@f  
@f  
33333.33333  
33333.33  
3.33×104  
33.33×103  
33333.33333  
In the binary, octal, and hexadecimal systems, fractional parts  
cannot be entered. When a decimal number having a fractional  
part is converted into a binary, octal, or hexadecimal number, the  
fractional part will be truncated. Likewise, when the result of a  
binary, octal, or hexadecimal calculation includes a fractional part,  
the fractional part will be truncated. In the binary, octal, and hexa-  
decimal systems, negative numbers are displayed as a comple-  
ment.  
x
sx  
σx  
n
Mean of samples (x data)  
Visit our Web site.  
Sample standard deviation (x data)  
Population standard deviation (x data)  
Number of samples  
1
If the value for floating point system does not fit in the following  
range, the calculator will display the result using scientific notation  
Σ x  
Sum of samples (x data)  
Sum of squares of samples (x data)  
Σ x2  
system:  
0.000000001 | x | 9999999999  
 

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