Sharp Calculator EL 503W User Manual

ENGLISH  
SIMP : Indicates that a fraction can be simplified further, or  
This calculator has two memory allocations: independent  
memory (M), and last answer memory (ANS). You will find  
them especially useful when combinations of calculations  
become complicated, or when using the answer of previous  
calculation to another operations.  
Constant Calculations  
INITIAL SETUP  
Mode Selection  
entering a common denominator.  
In constant calculations, the addend becomes a constant.  
Subtraction and division are performed in the same manner.  
For multiplication, the multiplicand becomes a constant.  
In constant calculations, constants will be displayed as K.  
DEG/RAD/GRAD: Indicates angular units (Degrees, Radians  
and Grads) and changes each time G is pressed.  
Normal Mode:  
: Appears when equation mode is selected.  
Used to perform arithmetic operations and function calcula-  
tions. In this mode,  
display.  
Press NO to clear the independent memory (“M”  
FRACTION/SCIENTIFIC CALCULATOR  
: Appears when statistical mode is selected.  
245+60=  
N 245 + 60 =  
305.  
72.  
symbol will disappear).  
and  
do not appear on the  
12+60=  
N 212 + 60 =  
M
: Indicates that a numerical value is stored in the  
independent memory.  
MODEL  
EL-503W  
[Independent memory (M)]  
Statistical Mode:  
15×3=  
15×10=  
15 * 3 =  
45.  
150.  
O : Stores the result in the memory.  
OPERATION MANUAL  
Used to perform statistical operations. To enter statistical  
mode, press @”. appears on the display to  
indicate that the statistical mode is selected. To return to  
normal mode, press @” with on the display.  
disappears as the calculator returns to normal mode.  
15- 10 =  
R : Recalls the value stored in the memory using  
BEFORE USING THE CALCULATOR  
up to 14 digits in accuracy.  
Functions  
@; : Adds the result to the value in the memory.  
Key Notation Used in this Manual  
In this manual, key operations are described as follows:  
For each example, press N to clear the display.  
Before starting calculations, specify the angular unit.  
N 3 * 5 O  
30 +R=  
R* 4 =  
15.M  
45.M  
60.M  
INTRODUCTION  
Equation Mode:  
Used to solve equations. To enter equation mode, press  
and then 0 or 1. appears on the  
display to indicate that the equation mode is selected. To  
return to normal mode, press with  
display. The calculator returns to normal mode and  
appears from the display.  
To specify π : @V  
The results of inverse trigonometric functions are displayed  
within the following range:  
30 + (3 × 5) =  
(3 × 5) × 4 =  
To specify Exp : E  
Thank you for purchasing the SHARP Fraction/Scientific  
Calculator Model EL-503W. This calculator will help you  
understand mathematical concepts behind fraction  
calculation, such as simplification and reduction.  
After reading this manual, store it in a convenient location  
for future reference.  
θ = sin–1 x, θ = tan–1 x  
θ = cos–1 x  
To access functions printed in orange above keys, press @  
20+10–5=  
121+13×2=  
N 20 + 10 - 5 O  
121 + 13 * 2 @;  
21 * 3 - 16 @;  
R
25.M  
147.M  
47.M  
219.M  
0.M  
first.  
on the  
dis-  
DEG  
–90 ≤ θ ≤ 90  
0 ≤ θ ≤ 180  
In this manual, number entry examples are shown with ordinary  
numbers (i.e., “100” will be indicated instead of “10  
0”).  
π
π
+) 21×3–16=  
–—————  
RAD  
≤ θ ≤  
0 ≤ θ ≤ π  
2
2
(Total)  
The mode will remain selected when the calculator is turned  
off.  
When executing mode selection, last answer memory will  
be cleared.  
GRAD  
–100 ≤ θ ≤ 100  
0 ≤ θ ≤ 200  
NO  
Operational Notes  
Power On and Off  
Do not carry the calculator around in your back pocket, as  
it may break when you sit down. The display is made of  
glass and is particularly fragile.  
Keep the calculator away from extreme heat such as on a  
car dashboard or near a heater, and avoid exposing it to  
excessively humid or dusty environments.  
Since this product is not waterproof, do not use it or store  
it where fluids, for example water, can splash onto it.  
Raindrops, water spray, juice, coffee, steam, perspiration,  
etc., will also cause malfunction.  
Press N to turn the calculator on, and @F to turn it  
[Last answer memory (ANS)]  
sin60[°]=  
Ns 60 =  
0.866025403  
off.  
When = is pressed, the calculation result will automati-  
Gu(@V/ 4  
π
cally be stored in the last answer memory.  
Scientific (Exponential) Notation  
cos  
[rad]=  
Clearing Methods  
4
)=  
0.707106781  
50.  
People who need to deal with very large and very small numbers  
often use a special format called exponential or scientific  
notation.  
@? : Recalls the value stored in last answer memory.  
Operation  
Entry  
M*1  
STAT,  
EQN  
ANS*2 (Coefficients)  
G@T 1 =  
(Display)  
tan–11=[g]  
4 ÷ 5 = 0.8…(A) N 4 / 5 =  
4 × (A) + 60 ÷ (A) = 4 *@?+ 60 /  
@?=  
0.8  
G
N
×
×
×
×
×
A number expressed in scientific notation has two parts. The  
first part consists of a regular decimal number between 1 and  
10. The second part represents how large or small the number  
is in powers of 10.  
ln 20 =  
@I 20 =  
@l 50 =  
@e 3 =  
1.7 =  
2.995732274  
1.698970004  
20.08553692  
50.11872336  
78.2  
@c  
Mode selection  
RESET switch  
log 50 =  
Clean with a soft, dry cloth. Do not use solvents or wet  
cloth.  
Chain Calculations  
e3  
101.7  
32 + 52  
=
While a calculation result is displayed in the floating point  
system, press to display the result in the scientific  
notation system. Pressing once again will bring  
back the floating point system.  
Do not drop it or apply excessive force.  
Never dispose of battery in a fire.  
Keep battery out of the reach of children.  
This product, including accessories, may change due to  
upgrading without prior notice.  
The previous calculation result can be used in the  
subsequent calculation. However, it cannot be recalled  
after entering multiple instructions.  
: Clear  
Independent memory M.  
Statistical data and last answer memory.  
× : Retain  
=
1
*
*
2
=
3 @L + 5 @L=  
34.  
6+4 = ANS  
ANS + 5 =  
N 6 + 4 =  
10.  
15.  
To enter a number in scientific notation, press E.  
(1.2 × 1020) × (1.5 × 105)  
To clear the independent memory (M), press NO.  
32 + 3 @$  
¿32 + 3¿21 =  
+ 5 =  
SHARP will not be liable nor responsible for any incidental  
or consequential economic or property damage caused  
by misuse and/or malfunctions of this product and its  
peripherals, unless such liability is acknowledged by law.  
21 =  
8.415778426  
2’401.  
24.  
1.2  
E
20  
*
1.5  
E
5
=
1.8×1025  
Editing the Equation  
8 × 2 = ANS  
8 * 2 =  
16.  
256.  
74  
=
7 @™ 4 =  
4 @!=  
10 @q 3 =  
5 @Q 2 =  
Press < or > to move the cursor.  
To return to the equation after getting an answer, press  
< (>).  
ANS2  
=
@L=  
3 ÷ 7 =  
[Floating point]  
N 3 / 7 =  
0.428571428  
4! =  
10P3  
[Scientific notation] @´  
4.285714286×10–01  
To delete a number/function, move the cursor to the number/  
function you wish to delete, then press d. If the cursor is  
located at the right end of an equation, the d key will  
function as a back space key.  
Press the RESET switch (on the back), with the tip of a  
ball-point pen or similar object, only in the following cases.  
Do not use an object with a breakable or sharp tip. Note  
that pressing the RESET switch erases all data stored in  
memory.  
Calculating the Greatest Common Factor (G.C.F.)  
[TAB set to 2]  
@i 2  
4.29×10–01  
=
720.  
or Least Common Multiple (L.C.M.)  
To calculate the G.C.F. or the L.C.M., the procedures are as  
follows:  
[Floating point]  
@´  
0.428571428  
5C2  
=
10.  
Use to switch to the scientific notation, press  
@i, then give a value between 0 and 9 to set the  
decimal placement. To reset, press @i 9.  
The number will be displayed in scientific notation if the  
floating point value does not fit in the following range:  
0.000000001 | x | 9999999999  
π
To insert a number, move the cursor to the place immediately  
after where the number is to be inserted, then enter the  
number.  
3
=
+
@V/ 3 =  
1.047197551  
When using for the first time  
After replacing the battery  
To clear all memory contents  
When an abnormal condition occurs and all keys are  
inoperative.  
What is the G.C.F. N 24 œ 36  
24GCF36_  
12.  
1
4
1
5
of 24 and 36?  
=
=
4 @• + 5 @•=  
0.45  
15 + 8  
N 15 + 8  
15+8_  
What is the L.C.M. N 15 ˆ 9  
15LCM9_  
45.  
200 × 32% =  
200 * 32 @%  
64.  
50.  
dd  
15_  
15–3_  
of 15 and 9?  
=
The last decimal digit in scientific notation will be rounded  
off.  
15 – 3  
If service should be required on this calculator, use only a  
SHARP servicing dealer, SHARP approved service facility,  
or SHARP repair service where available.  
- 3  
150 ÷ 300 = ?% 150 / 300 @%  
200 + (200 × 32%) = 200 + 32 @%  
300 – (300 × 25%) = 300 - 25 @%  
15 × 3 =  
N 15 * 3 =  
45.  
264.  
225.  
Calculating Quotient and Remainder  
Determination of the Angular Unit  
In this calculator, the following three angular units (degrees,  
radians, and grads) can be specified.  
: Calculates the quotient and remainder.  
<
15×3_  
90.  
Hard Case  
15 × 6 =  
d 6 =  
23 ÷ 5 =  
(R: Remainder)  
N 23 5  
235_  
Random Numbers  
DEG (°)  
13 × 24 =  
N 13 * 24 =  
312.  
=
4.  
R3.  
A pseudo-random number with three significant digits can be  
generated by pressing @`=. To generate the next  
random number, press =.  
Press G  
>
13×24  
360.  
9.5 ÷ 4 =  
9.5 4  
9.54_  
15 × 24 =  
(rad)  
RAD  
GRAD (g)  
>d 5 =  
=
2.  
R1.5  
–32 ÷ (–5) =  
32 “– 5  
–32–5_  
6. R–2.  
Angular Unit Conversions  
Priority Levels in Calculation  
This calculator performs operations according to the following  
priority:  
=
Each time @g are pressed, the angular unit changes  
DISPLAY  
SCIENTIFIC CALCULATIONS  
in sequence.  
operation cannot be followed by another operation  
such as (+, –, ×, ÷), otherwise an error will result.  
1 Functions expressed with numerical data placed before  
Select the normal mode.  
Symbol  
90°[rad]  
[g]  
[°]  
N 90 @g  
@g  
1.570796327  
100.  
(such as x–1, x2, n!)  
The calculator can display a quotient or remainder up to 5  
digits in length, including the “–” sign. If a quotient or  
remainder exceeds 5 digits, normal division is performed.  
In each example, press N to clear the display before  
2 yx, x  
y
¿
performing the calculation.  
@g  
90.  
3 Functions expressed with numerical data placed after (such  
as sin, cos, (–), ex, 10x,  
)
¿
sin–10.8 = [°]  
[rad]  
[g]  
@S 0.8 =  
53.13010235  
0.927295218  
59.03344706  
53.13010235  
Arithmetic Operations  
Calculating Remainder (Modulo Operation)  
4 Multiplications with the sign “×” omitted from the front of a  
function (such as 3cos20)  
Exponent  
Mantissa  
@g  
à : Find the remainder when a numerical value is  
12+16×3=  
N 12 + 16 * 3 =  
60.  
320.  
During actual use, not all symbols are displayed at the  
same time.  
Only the symbols required for the usage under instruction  
are shown in the display and calculation examples of this  
manual.  
@g  
5 nCr, nPr, GCF, LCM  
6 ×, ÷, INT÷, mod  
7 +, –  
divided by a divisor.  
[°]  
@g  
350–120÷4=  
72×(–12)–150=  
350 - 120 / 4 =  
72 *– 12 - 150 =  
What is the remainder N 5 Ã 3  
5mod3_  
2.  
–1’014.  
8 Operations end commands (such as =, M+, %, DEG,  
of “5 ÷ 3”?  
=
Memory Calculations  
RAD, GRAD, DATA, CD)  
(5+21)×(30–16)= ( 5 + 21 )*  
: Appears when the entire equation cannot be  
displayed. Press </> to see the remaining  
(hidden) section.  
/
What is the remainder N 100 Ã 8  
100mod8_  
4.  
Mode  
M
ANS  
( 30 - 16 =*1  
364.  
A parenthesized calculation section has precedence over  
other sections of the calculation.  
of “100 ÷ 8”?  
=
Normal  
(6×103)÷(2×10–4)= 6 E 3 /  
Statistical (STAT)  
Equation (EQN)  
×
2ndF : Appears when @ is pressed, indicating that the  
2 E– 4 =  
30’000’000.  
1
1
functions shown in orange are enabled.  
*
*
×
1
*
The closing parenthesis ) just before = or ;  
x/y  
: Appears when x or y solutions are displayed in the  
: Available  
only available for memory recall  
× : Unavailable  
may be omitted.  
equation mode.  
1
*
Calculating Statistical Quantities  
FRACTION CALCULATIONS  
Entering Fractions  
ERROR AND CALCULATION RANGES  
Errors  
An error will occur if an operation exceeds the calculation  
ranges, or if a mathematically illegal operation is attempted. If  
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 N to clear the equation.  
BATTERY REPLACEMENT  
1
3
1
4
+
=
N 1 Ø 3 + 1 Ø 4  
1/3+1/4_  
DENOM.?  
12_  
4/12+3/12_  
7/12  
SIMP  
SIMP  
@c  
ª
=*  
=
=
Score Number of  
Notes on Battery Replacement  
Improper handling of battery can cause electrolyte leakage  
or explosion. Be sure to observe the following handling rules:  
Make sure the new battery is the correct type.  
When installing, orient the battery correctly as indicated in  
the calculator.  
The factory-installed battery may be exhausted before  
they reach the service life stated in the specifications.  
Persons  
30 § 5 k  
40 § 3 k  
50 § 10 k  
60 § 12 k  
70 § 13 k  
80 § 9 k  
90 § 7 k  
100 § 3 k  
@÷  
n =  
n =  
n =  
n =  
n =  
n =  
n =  
n =  
5.  
8.  
To enter fractions, use the following keys:  
Ø : Places the symbol “ ” between the numerator  
and the denominator.  
30  
40  
50  
60  
70  
80  
90  
100  
5
3
10  
12  
13  
9
/
18.  
30.  
43.  
52.  
59.  
62.  
: Separates the integer (whole number) part  
*
If = is pressed instead of a number entry, the least  
from the fractional part of a mixed number.  
common denominator will automatically be displayed.  
Error Codes and Error Types  
2
3
Conversion from/to a Fraction  
4
=
=
N 2 Ø 3 =  
4 1 Ø 2 =  
2/3  
7
3
Syntax error (Error 1):  
º : Converts a decimal or improper fraction to a  
mixed fraction. In some cases, a decimal may  
not be converted to a fraction.  
æ : Converts a mixed fraction or decimal to an  
improper fraction. In some cases, a decimal may  
not be converted to a fraction.  
When to Replace the Battery  
65.32258065  
18.52935128  
18.37931358  
1
2
An attempt was made to perform an invalid operation.  
If the display has poor contrast or nothing appears on the  
display even when N is pressed, it is time to replace the  
battery.  
4
4¬1/2  
@£  
Ex. 2 +- 5 =  
@p  
Up to 10 key strokes, including “¬” and “  
/
”, can be used  
Calculation error (Error 2):  
@n  
n =  
Σx =  
Σx2  
62.  
4’050.  
285’500.  
to enter a fraction.  
The absolute value of an intermediate or final calculation  
Caution  
@z  
result equals or exceeds 10100  
.
Fluid from a leaking battery accidentally entering an eye  
could result in serious injury. Should this occur, wash with  
clean water and immediately consult a doctor.  
Should fluid from a leaking battery come into contact with  
your skin or clothes, immediately wash with clean water.  
If the product is not to be used for some time, to avoid  
damage to the unit from leaking battery, remove it and  
store in a safe place.  
@w  
=
Calculating with Fractions  
Fractions can be incorporated into an arithmetic calculation.  
ø : Converts an improper fraction or a mixed fraction  
An attempt was made to divide by 0 (or an intermediate  
calculation resulting in 0).  
The calculation ranges were exceeded while performing  
to a decimal.  
If both the resulting digits and the function name (such as  
Σx=) cannot be contained in the display, only the resulting  
value will be displayed; the function name will not be  
displayed.  
The “SIMP” symbol will appear with a calculation result if the  
answer can be further simplified. Refer to the following  
section of this manual for details.  
5
6
calculations.  
4
=
N 4 5 Ø 6 =  
4¬5/6  
4.833333333  
29/6  
The solution of a quadratic equation is a complex number.  
[A.xxx]  
[A/B]  
ø
Depth error (Error 3):  
æ
1
2
1
3
The available number of buffers was exceeded. (There are  
10 buffers* for numeric values and 24 buffers for calculation  
+
=
=
N 1 Ø 2 + 1 Ø 3 =  
5/6  
Statistical Calculation Formulas  
1 ÷ 3 =  
[A/B]  
1 / 3 =  
0.333333333  
1/3  
Keep battery out of the reach of children.  
Exhausted battery left in the calculator may leak and  
damage the calculator.  
Explosion risk may be caused by incorrect handling.  
Do not throw battery into a fire as they may explode.  
instructions).  
* 5 buffers in STAT and EQN mode.  
Σx2 – nx2  
2
5
1
3
æ
Σx  
×
2 Ø 5 * 1 Ø 3 =  
2/15  
x =  
σx =  
n
Equation too long (Error 4):  
n
6 ÷ 5 =  
[A/B]  
[A /C]  
[A.xxx]  
6 / 5 =  
1.2  
The equation exceeded the maximum input buffer (159 char-  
acters). An equation must be shorter than 159 characters.  
7
5
5
SIMP  
=
7 Ø 5 @™ 5 =  
16807/3125  
8/15  
( )  
æ
12/10  
1¬2/10  
1.2  
Σx2 – nx2  
n – 1  
Σx = x1 + x2 + ··· + xn  
SIMP  
2
Σx2 = x12 + x22 + ··· + xn  
sx =  
B
º
64  
— =  
Replacement Procedure  
1. Turn the power off by pressing @  
F.  
ø
64 Ø 225 =  
Calculation Ranges  
(n: number of samples)  
225  
Within the ranges specified below, this calculator is  
accurate to 1 of the least significant digit of the  
mantissa. However, a calculation error increases in  
continuous calculations due to accumulation of each  
2
In the statistical calculation formulas, an error will occur if:  
1.25 +  
=
1.25 + 2 Ø 5 =  
1.65  
5
the absolute value of the intermediate result or calculation  
How to Simplify a Fraction  
2. Loosen both screws and remove the  
battery cover.  
SIMP  
B
[A /C]  
º
1¬65/100  
result is equal to or greater than 1 × 10100  
.
ª==  
1¬13/20  
[Reducing to its simplest form]  
the denominator is zero.  
an attempt is made to take the square root of a negative  
x
x
x
calculation error. (This is the same for y , ˇˇ, e , n!, ln,  
¿
3. Replace the old battery with new, with  
the positive (+) sides facing up.  
If the result of pressing = is displayed with the “SIMP”  
symbol, the calculation can be reduced further. Use the  
ª key to set the factor of the fraction to simplify, either  
automatically or manually.  
mod, etc. where continuous calculations are performed  
internally.)  
number.  
4. Replace the battery cover and screws.  
5. Press the RESET switch on the back.  
STATISTICAL CALCULATIONS  
Furthermore, a calculation error will accumulate and  
become larger in the vicinity of inflection points and  
singular points of functions.  
EQUATION SOLVERS  
To enter the statistical mode, press @”. The following  
Automatic Simplification  
Make sure that the display appears  
as shown. Otherwise, remove the  
battery, reinstall, and check the  
display again.  
statistics can be obtained:  
Simultaneous linear equations with two unknowns or quadratic  
equations may be solved using this function.  
Calculation range: 10–99  
~
9.999999999×1099 and 0.  
1
3
2
12  
x
: Mean of samples (x)  
SIMP  
SIMP  
– + — =  
N 1 Ø 3 + 2 Ø 12 =  
6/12  
FACTOR?  
6_  
sx : Standard deviation of samples (x)  
σx : Population standard deviation of samples (x)  
n
If the absolute value of an entry or a final or intermediate  
result of a calculation is less than 10–99, the value is considered  
to be 0 in calculations and in the display.  
1 @À0: Simultaneous linear equation with two  
ª
=*SIMP  
unknowns (VLE)  
: Number of samples  
Automatic Power Off Function  
This calculator will turn its power off automatically if no key  
is pressed for about 10 minutes.  
=
1/2  
a1x + b1y = c1  
a2x + b2y = c2  
Coefficients: a1, b1, c1, a2, b2, c2  
Solutions: x, y  
Σx : Sum of samples (x)  
Σx2 : Sum of the squares of samples (x)  
Function  
Dynamic Range  
DEG : |x| < 1010  
(tan x : |x| 90(2n–1))*  
*
If you do not know a common factor, press =. The  
sin x  
cos x  
tan x  
greatest common factor “6” will be displayed.  
2 @À1: Quadratic equation (QUAD)  
Entering Data  
Entered data are kept in memory until @c or @  
are pressed. Before entering new data, clear the memory  
contents.  
ax2 + bx + c = 0 Coefficients: a, b, c  
SPECIFICATIONS  
Manual Simplification  
π
RAD : |x| < —– × 1010  
180  
Solutions: x  
Calculations:  
General arithmetic operations,  
statistical calculations, equation  
solvers, etc.  
1
3
2
+ — =  
12  
π
SIMP  
SIMP  
Press ® after entering each coefficient (a1, a, etc.).  
Coefficients can be entered using ordinary arithmetic  
operations and functions.  
(tan x : |x| × (2n–1))*  
N 1 Ø 3 + 2 Ø 12 =  
6/12  
FACTOR?  
3/6  
2
To enter sample data, use the numeric keys and press  
k (O key) after each value.  
ª
10  
GRAD : |x| < — × 1010  
2 =*SIMP  
9
To enter data with its frequency, use the numeric keys to  
enter the value, then press § (R key), enter the fre-  
quency, then press k.  
Calculation method:  
D.A.L. (Direct Algebraic Logic)  
The solution (result) will be displayed after entering all  
coefficients.  
In the input/display screen of coefficients and the display  
screen of the solution (result), press N to return to the  
previous coefficient.  
(tan x : |x| 100(2n–1))*  
ª 3 =  
1/2  
Internal calculations: Mantissas of up to 14 digits  
sin–1x, cos–1  
x
|x| 1  
Pending operations:  
24 calculations 10 numeric values  
(5 numeric values in STAT and EQN  
mode)  
*
“2” is entered as a factor, and the “SIMP” will be displayed  
to indicate further simplification of the fraction.  
If the entered value is not a common factor, the cursor will  
be set under the value. Press d to clear the value,  
then enter a correct common factor. Press N to return  
to the “FACTOR?” display.  
tan–1  
In x, log x  
x
|x| < 10100  
10–99 x < 10100  
Enter the data “7” @”  
@c 7  
7_  
1.*  
To clear all the entered coefficients, press @c.  
The results obtained using this function may include a margin  
of error.  
Power source:  
1.5V (DC):  
k
n =  
y > 0: –10100 < xlogy < 100  
Alkaline battery  
.
(LR44 or equivalent) × 1  
Power consumption: 0.0001 W  
Operating time: Approx. 5,000 hours, when  
y
. y = 0: 0 < x < 10100  
.
x
There are 13 students @c 70 § 13  
70, 13_  
13.  
50, 5_  
18.  
The solution of a quadratic equation is only a real number.  
1
y < 0: x = n (0 < |x| < 1: – = 2n–1, x 0)*,  
who scored 70 in the  
k
n =  
n =  
x
Now that you have learned how to reduce a fraction to  
its simplest form, you can start using your calculator to  
perform fraction calculations quickly and efficiently.  
–10100 < xlog |y| < 100  
test, and 5 students 50 § 5  
@À0  
continuously displaying 55’555. at  
25°C (77°F).  
May vary according to usage and  
other factors.  
who scored 50.  
k
1
y > 0: –10100 < – logy < 100 (x 0)  
2x + 3y = 4  
5x + 6y = 7  
x = ?  
2 ® 3 ® 4 ®  
.
.
.
x
{
5 ® 6 ® 7  
100  
y = 0: 0 < x < 10  
*
The number of samples for the entered data will be  
displayed.  
If the digits of the sample values exceed 9, “n=” will not  
appear.  
Inputting a formula as a sample value with frequency is  
possible.  
x
5
6
1
+ — =  
14  
y
SIMP  
x
y
¿
1
N 5 Ø 6 + 1 Ø 14 =  
38/42  
19/21  
®
–1.  
2.  
y < 0: x = 2n–1 (0 < |x| < 1: – = n, x 0)*,  
x
1
–10100 < – log |y| < 100  
=*  
y = ?  
®
Operating temperature: 0°C – 40°C (32°F – 104°F)  
x
®
External dimensions: 78.6 mm (W) × 144 mm (D) × 11.6 mm (H)  
–10100 < x 230.2585092  
–10100 < x < 100  
|x| < 1050  
x
e
*
If = is pressed instead of ª, the number will  
automatically be reduced down to its simplest form with  
the greatest common factor.  
2x + 3y = 4  
6x + 7y = 10  
x = ?  
®®®®®®  
3-3/32” (W) × 5-21/32” (D) × 15/32” (H)  
x
{
10  
6 ® 7 ® 10  
®
Weight:  
Approx. 73 g (0.17 lb)  
(Including battery)  
x
y
x2  
0.5  
1.  
Example: A * B § frequency k  
[Reducing to a common denominator]  
Prior to pressing the = key, a common denominator can  
be set to organize calculations.  
y = ?  
®
Accessories:  
Battery × 1 (installed), operation  
manual, quick reference card and  
hard case.  
x
0 x < 10100  
|x| < 10100 (x 0)  
¿
Correcting Entered Data  
Correction prior to pressing k:  
Delete incorrect data with N.  
@À  
x–1  
@À1  
n!  
0 n 69*  
1
3
1
4
3x2 + 4x – 95 = 0 3 ® 4 ®– 95  
+
=
N 1 Ø 3 + 1 Ø 4  
1/3+1/4_  
DENOM.?  
16/48+12/48_  
Correction immediately after pressing k:  
Press > to confirm the latest entry and press @J  
(O key) to delete it.  
n!  
(n–r)!  
FOR MORE INFORMATION  
ª
48 =*  
=
nPr  
nCr  
0 r n 9999999999*  
< 10100  
< 10100  
SIMP  
x
x
first x value?  
second x value?  
®
®
®
5.  
–6.333333333  
Visit us on the Internet at:  
0 r n 9999999999*  
0 r 69  
n!  
(n–r)!  
SIMP  
If you want to delete any other data, enter the values again  
and press @J to delete them.  
28/48  
6x2 + 4x – 95 = 0 6 ®®®®  
*
Enter a common denominator of the two fractions.  
If the entered value is not a common denominator, the  
cursor will be set under the value. Press d to clear  
the value, then enter a correct common denominator.  
Press N to return to the “DENOM.?” display.  
nGCFn, nLCMn 0 n < 1010  
x
x
first x value?  
second x value?  
®
®
3.659716184  
–4.32638285  
DEGRAD, GRADDEG : |x| < 10100  
DRG  
π
RADGRAD : |x| < – × 1098  
2
* n, r: positive integers  
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