Sharp EL-520WGBK, Operation Manual

EL-520WG_ENGLISH_1

Modify Function

Calculation results are internally obtained in scientific notation
with up to 14 digits for the mantissa. However, since calculation
results are displayed in the form designated by the display nota-
tion 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 converted to match
that of the display, so that the displayed value can be used
without change in subsequent operations.

STATISTICAL CALCULATIONS

Press 

m1

 to select the statistics mode. The seven statisti-

cal calculations listed below can be performed. After selecting the
statistics mode, select the desired sub-mode by pressing the
number key corresponding to your choice.
To change statistical sub-mode, reselect statistics mode (press

m1

), then select the required sub-mode.

0

 (SD)

: Single-variable statistics

1

 (LINE)

: Linear regression calculation

2

 (QUAD) : Quadratic regression calculation

3

 (EXP)

: Exponential regression calculation

4

 (LOG)

: Logarithmic regression calculation

5

 (PWR)

: Power regression calculation

6

 (INV)

: Inverse regression calculation

The following statistics can be obtained for each statistical calcu-
lation (refer to the table below):

Single-variable statistical calculation

Statistics of 

Q

 and value of the normal probability function

Linear regression calculation

Statistics of 

Q

 and 

W

 and, in addition, estimate of 

y

 for a given

x

 (estimate 

y

´

) and estimate of 

x

 for a given 

y

 (estimate 

x

´

)

Exponential regression, Logarithmic regression,
Power regression, and Inverse regression calculation

Statistics of 

Q

 and 

W

. 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 coeffi-
cients 

a

 and 

b

, from converted data rather than entered data.)

Quadratic regression calculation

Statistics of 

Q

 and 

W

 and coefficients 

a

, 

b

, 

c

 in the quadratic

regression formula (

y

 = 

a

 + 

bx

 + 

cx

2

). (For quadratic regression

calculations, no correlation coefficient (

r

) can be obtained.)

When there are two 

x

´

 values, press 

@≠

.

When performing calculations using 

a

, 

b

 and 

c

, only one numeric

value can be held.

¯x

Mean of samples (

x

 data)

sx

Sample standard deviation (

x

 data)

Q

σ

x

Population standard deviation (

x

 data)

n

Number of samples

Σ

x

Sum of samples (

x

 data)

Σ

x

2

Sum of squares of samples (

x

 data)

¯y

Mean of samples (

y

 data)

sy

Sample standard deviation (

y

 data)

σ

y

Population standard deviation (

y

 data)

Σ

y

Sum of samples (

y

 data)

W

Σ

y

2

Sum of squares of samples (

y

 data)

Σ

x y

Sum of products of samples (

x

,

 y

)

r

Correlation coefficient

a

Coefficient of regression equation

b

Coefficient of regression equation

c

Coefficient of quadratic regression equation

• Use 

K

 and 

R

 to perform a STAT variable calculation.

Data Entry and Correction

Entered data are kept in memory until 

@c

 or mode selec-

tion. Before entering new data, clear the memory contents.

[Data Entry]

Single-variable data

Data 

k

Data 

&

 

frequency 

k

  (To enter multiples of the same

data)

Two-variable data

Data 

x

 

&

 

Data 

y

 

k

Data 

x

 

&

 

Data 

y

 

&

 

frequency 

k

 (To enter multiples

of the same data 

x

 and 

y

.)

• Up to 100 data items can be entered. With the single-variable

data, a data item without frequency assignment is counted as
one data item, while an item assigned with frequency is stored
as a set of two data items. With the two-variable data, a set of
data items without frequency assignment is counted as two
data items, while a set of items assigned with frequency is
stored as a set of three data items.

INTRODUCTION

Thank you for purchasing the SHARP Scientific Calculator Model
EL-520WG.
About the 

calculation examples (including some formulas and

tables)

, refer to the reverse side of this English manual. 

Refer to

the number on the right of each title in the manual for use

.

After reading this manual, store it in a convenient location for
future reference.

Operational Notes

• 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 exces-
sively 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.

• Clean with a soft, dry cloth. Do not use solvents or a wet cloth.
• Do not drop it or apply excessive force.
• Never dispose of batteries in a fire.
• Keep batteries out of the reach of children.
• This product, including accessories, may change due to up-

grading without prior notice.

NOTICE

• SHARP strongly recommends that separate permanent

written records be kept of all important data. Data may be
lost or altered in virtually any electronic memory product
under certain circumstances. Therefore, SHARP assumes
no responsibility for data lost or otherwise rendered unusable
whether as a result of improper use, repairs, defects, battery
replacement, use after the specified battery life has expired,
or any other cause.

• 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.

♦

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.

• 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.

Hard Case

DISPLAY

• During actual use, not all symbols are displayed at the same time.
• Certain inactive symbols may appear visible when viewed from

a far off angle.

• Only the symbols required for the usage under instruction are

shown in the display and calculation examples of this manual.

/

:

Appears when the entire equation cannot be displayed.
Press 

<

/

>

 to see the remaining (hidden) section.

xy

/

r

θ

:

Indicates the mode of expression of results in the com-
plex calculation mode.

:

Indicates that data can be visible above/below the
screen. Press 

[

/

]

 to scroll up/down the view.

2ndF

:

Appears when 

@

 is pressed.

PRINTED IN CHINA / IMPRIMÉ EN CHINE / IMPRESO EN CHINA

04LGK (TINSE0805EHZZ)

SCIENTIFIC CALCULATOR

OPERATION MANUAL

EL-520WG

MODEL

1 2 3 4 5 6 7 8 9 0 . ,

1 2 3 4 5 6 7 8 9 0 . ,

1 2 3 4 5 6 7 8 9 0 . ,

1 2 3 4 5 6 7 8 9 0 . ,

1 2 3 4 5 6 7 8 9 0 . ,

1 2 3 4 5 6 7 8 9 0 . ,

SHARP CORPORATION

HYP

:

Indicates that 

h

 has been pressed and the hyperbolic

functions are enabled. If 

@H

  are pressed, the

symbols “

2ndF HYP

” appear, indicating that inverse hy-

perbolic functions are enabled.

ALPHA :

Appears when 

K

 (STAT VAR), 

O

 or 

R

 is pressed.

FIX/SCI/ENG:

 Indicates the notation used to display a value.

DEG/RAD/GRAD:

 Indicates angular units.

STAT

:

Appears when statistics mode is selected.

M

:

Indicates that a value is stored in the independent memory.

:

Appears when the calculator shows an angle as the result
in the complex calculation mode.

i

:

Indicates an imaginary number is being displayed in the
complex calculation mode.

BEFORE USING THE CALCULATOR

Key Notation Used in this Manual

In this manual, key operations are described as follows:

To specify 

e

x

:

@e

To specify ln :

I

To specify F :

Kü

Functions that are printed in orange above the key require 

@

 to

be pressed first before the key. When you specify the memory,
press 

K

 first. Numbers for input value are not shown as keys,

but as ordinary numbers.

Power On and Off

Press 

ª

 to turn the calculator on, and 

@F

 to turn it off.

Clearing the Entry and Memories

Operation

Entry

M

A-F, X, Y

STAT*

1

(Display)

ANS

STAT VAR*

2

ª

×

×

×

@c

×

Mode selection

×

@∏00

*

3

@∏10

*

4

RESET switch

 : Clear

×

 : Retain

*

1

Statistical data (entered data).

*

2

x¯

, 

sx

, 

σ

x

, 

n

, 

Σ

x

, 

Σ

x

2

, 

¯y

, 

sy

, 

σ

y

, 

Σ

y

, 

Σ

y

2

, 

Σ

xy

, 

r

, 

a

, 

b

, 

c

.

*

3

All variables are cleared.

*

4

This key combination functions the same as the RESET switch.

[Memory clear key]

Press 

@∏

 to display the menu.

• To clear all variables (M, A-F, X, Y, ANS,

STAT VAR), press 

00

 or 

0®

.

• To RESET the calculator, press 

10

 or 

1®

.

The RESET operation will erase all data stored in memory, and
restore the calculator's default setting.

Entering and Correcting the Equation

[Cursor keys]

• Press 

<

 or 

>

 to move the cursor. You can also return to

the equation after getting an answer by pressing 

>

 (

<

).

See the next section for using the 

[

 and 

]

 keys.

• See ‘SET UP menu’ for cursor use in the SET UP menu.

[Insert mode and Overwrite mode in the Equation display]

• Pressing 

@‘

 switches between the two editing modes:

insert mode (default); and overwrite mode. A triangular cursor
indicates that an entry will be inserted at the cursor, while the
rectangular cursor indicates to overwrite preexisting data as you
make entries.

• To insert a number in the insert mode, move the cursor to the

place immediately after where you wish to insert, then make a
desired entry. In the overwrite mode, data under the cursor will
be overwritten by the number you enter.

• The mode set will be retained until the next RESET operation.

[Deletion key]

• 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.

Multi-line Playback Function

Previous equations may be recalled in the normal mode. Equations
also include calculation ending instructions such as “=” and a maxi-
mum 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 equation and the answer.

Further pressing 

[

  will display preceding equations (after re-

turning to the previous equation, press 

]

 to view equations in

order). In addition, 

@[

  can be used to jump to the oldest

equation.

 

MEM RESET

0     1

 

FSE TAB

0

[Random Dice]

To simulate a die-rolling, a random integer between 1 and 6 can be
generated by pressing 

@`1®

.

[Random Coin]

To simulate a coin flip, 0 (head) or 1 (tail) can be randomly gener-
ated by pressing 

@`2®

.

[Random Integer]

An integer between 0 and 99 can be generated randomly by press-
ing 

@`3®

.

Angular Unit Conversions

Each time 

@g

 are pressed, the angular unit changes in sequence.

Memory Calculations

Mode

ANS

M

A-F, X, Y

NORMAL
STAT

×

×

CPLX

×

 : Available

×

 : Unavailable

[Temporary memories (A-F, X and Y)]

Press 

O

 and a variable key to store a value in memory.

Press 

R

 and a variable key to recall a value from the memory.

To place a variable in an equation, press 

K

 and a variable key.

[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.
Press 

ªOM

 to clear the independent memory (M).

[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 auto-

matically stored in memories X or Y replacing existing values.
• Random function ...... Y memory
•

→

r

θ

, 

→

xy ....................

X memory (

r

 or 

x

), Y memory (

θ

 or 

y

)

• Use of 

R

 or 

K

 will recall the value stored in memory using

up to 14 digits.

Chain Calculations

• The previous calculation result can be used in the subsequent

calculation. However, it cannot be recalled after entering multiple
instructions.

• When using postfix functions (

¿

   , sin, etc.), a chain calculation is

possible even if the previous calculation result is cleared by the
use of the 

ª

 key.

Fraction Calculations

Arithmetic operations and memory calculations can be performed
using fractions, and conversion between a decimal number and a
fraction.
• If the number of digits to be displayed is greater than 10, the

number is converted to and displayed as a decimal number.

Binary, Pental, Octal, Decimal, and Hexadecimal
Operations (N-Base)

Conversions can be performed between N-base numbers. The four
basic arithmetic operations, calculations with parentheses and
memory calculations can also be performed, along with the logical
operations AND, OR, NOT, NEG, XOR and XNOR on binary, pental,
octal and hexadecimal numbers.
Conversion to each system is performed by the following keys:

@ê

  (“ ” appears.), 

@û

  (“ ” appears.), 

@î

(“ ” appears.), 

@ì

 (“ ” appears.), 

@í

 (“ ”, “ ”, “ ”

and “ ” disappear.)

Note: The hexadecimal numbers A – F are entered by pressing

ß

, 

™

, 

L

, 

÷

, 

l

, and 

I

, and displayed

as follows:

A 

→

 

ï

, B 

→

 

∫

, C 

→

 

ó

, D 

→

 

ò

, E 

→

 

ô

, F 

→

 

ö

In the binary, pental, octal, and hexadecimal systems, fractional
parts cannot be entered. When a decimal number having a frac-
tional part is converted into a binary, pental, octal, or hexadecimal
number, the fractional part will be truncated. Likewise, when the
result of a binary, pental, octal, or hexadecimal calculation includes
a fractional part, the fractional part will be truncated. In the binary,
pental, octal, and hexadecimal systems, negative numbers are dis-
played as a complement.

Time, Decimal and Sexagesimal Calculations

Conversion between decimal and sexagesimal numbers can be
performed, and, while using sexagesimal numbers, conversion to
seconds and minutes notation. The four basic arithmetic operations
and memory calculations can be performed using the sexagesimal
system. Notation for sexagesimal is as follows:

[Data Correction]

Correction prior to pressing 

k

 immediately after a data entry:

Delete incorrect data with 

ª

, then enter the correct data.

Correction after pressing 

k

:

Use 

[]

 to display the data previously entered.

Press 

]

  to display data items in ascending (oldest first)

order. To reverse the display order to descending (latest first),
press the 

[

 key.

Each item is displayed with ‘

Xn=

’, ‘

Yn=

’, or ‘

Nn=

’ (

n

 is the sequen-

tial number of the data set).
Display the data item to modify, input the correct value, then
press 

k

. Using 

&

, you can correct the values of the data

set all at once.

• To delete a data set, display an item of the data set to delete,

then press 

@J

. The data set will be deleted.

• To add a new data set, press 

ª

  and input the values, then

press 

k

.

Statistical Calculation Formulas

In the statistical calculation formulas, an error will occur when:
• The absolute value of the intermediate result or calculation result

is equal to or greater than 1 

×

 10

100

.

• 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.

Normal Probability Calculations

 

• 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.
Values for P(

t

), Q(

t

), and R(

t

) are given to six decimal places.

COMPLEX NUMBER CALCULATIONS

To carry out addition, subtraction, multiplication, and division using
complex numbers, press 

m2

 to select the complex number

mode.
Results of complex number calculations are expressed in two modes:

Q

@}

: Rectangular coordinate mode (

xy

 appears.)

W

@{

: Polar coordinate mode (

r

θ

 appears.)

Complex number entry

Q

Rectangular coordinates
x-coordinate 

+

 

y-coordinate 

Ü

or 

x-coordinate 

+Ü

 

y-coordinate

W

Polar coordinates
r 

Ö

 

θ

r: absolute value

θ

: argument

• On selecting another mode, the imaginary part of any complex

number stored in the independent memory (M) will be cleared.

• 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.

• Press 

@∑0

  to return the complex conjugate of the

specified complex number.

ERROR AND CALCULATION RANGES

Errors

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.

Error Codes and Error Types

Syntax error (Error 1):
•

An attempt was made to perform an invalid operation.

Ex. 2 

@{

Calculation error (Error 2):
•

The absolute value of an intermediate or final calculation result equals
or exceeds 10

100

.

•

An attempt was made to divide by 0 (or an intermediate calculation
resulted in zero).

•

The calculation ranges were exceeded while performing calculations.

Depth error (Error 3):
•

The available number of buffers was exceeded. (There are 10 buffers*
for numeric values and 24 buffers for calculation instructions).
*5 buffers in STAT mode and complex number mode.

•

Data items exceeded 100 in the statistics mode.

Equation too long (Error 4):
•

The equation exceeded its maximum input buffer (142 characters).
An equation must be shorter than 142 characters.

Calculation Ranges

•

Within the ranges specified, 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 calculation error. (This is the same
for 

y

x

, 

x

¿

 

, 

n!, e

x

, 

ln, etc., where continuous calculations are

performed internally.)
Additionally, a calculation error will accumulate and become
larger in the vicinity of inflection points and singular points
of functions.

• Calculation ranges

±10

–99

 ~ ±9.999999999

×

10

99

 and 0.

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.

BATTERY REPLACEMENT

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.

• Batteries are factory-installed before shipment, and may be ex-

hausted before they reach the service life stated in the specifica-
tions.

Notes on erasure of memory contents

When the battery is replaced, the memory contents are erased.
Erasure can also occur if the calculator is defective or when it is
repaired. Make a note of all important memory contents in case
accidental erasure occurs.

When to Replace the Batteries

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.

Cautions

• 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 in 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 batteries, remove them and store in a safe
place.

• Do not leave exhausted batteries inside the product.
• Do not fit partially used batteries, and be sure not to mix batteries

of different types.

• 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.
• Do not throw batteries into a fire as they may explode.

Replacement Procedure

1. Turn the power off by pressing 

@

 

F

.

2. Remove the two screws. (Fig. 1)
3. Slide the battery cover slightly and lift it to remove.
4. Remove the used batteries by prying them out with a ball-point

pen or other similar pointed device. (Fig. 2)

5. Install two new batteries. Make sure the “+” side is facing up.
6. Replace the cover and screws.
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.

(Fig. 1)

(Fig. 2)

Automatic Power Off Function

This calculator will turn itself off to save battery power if no key is
pressed for approximately 10 minutes.

Coordinate Conversions

• Before performing a calculation, select the angular unit.

• The calculation result is automatically stored in memories X

and Y.
• Value of 

r

 or 

x

: X memory

• Value of 

θ

 or 

y

: Y memory

Calculations Using Physical Constants

See the quick reference card and the English manual reverse side.
A constant is recalled by pressing 

ß

 followed by the number

of the physical constant designated by a 2-digit number.
The recalled constant appears in the display mode selected with
the designated number of decimal places.
Physical constants can be recalled in the normal mode (when not
set to binary, pental, octal, or hexadecimal), or statistics mode.

Note: Physical constants and metric conversions are based either

on the 2002 CODATA recommended values or 1995 Edi-
tion of the “Guide for the Use of the International System of
Units (SI)” released by NIST (National Institute of Stand-
ards and Technology) or on ISO specifications.

Metric Conversions

See the quick reference card and the English manual reverse side.
Unit conversions can be performed in the normal mode (when not
set to binary, pental, octal, or hexadecimal), and statistics modes.

Calculations Using Engineering Prefixes

Calculation can be executed in the normal mode (excluding N-
base) using the following 9 types of prefixes.

No.

Constant

01

Speed of light in vacuum

02

Newtonian constant of
gravitation

03

Standard acceleration of
gravity

04

Electron mass

05

Proton mass

06

Neutron mass

07

Muon mass

08

Atomic mass unit-kilogram
relationship

09

Elementary charge

10

Planck constant

11

Boltzmann constant

12

Magnetic constant

13

Electric constant

14

Classical electron radius

15

Fine-structure constant

16

Bohr radius

17

Rydberg constant

18

Magnetic flux quantum

19

Bohr magneton

20

Electron magnetic moment

21

Nuclear magneton

22

Proton magnetic moment

23

Neutron magnetic moment

24

Muon magnetic moment

25

Compton wavelength

26

Proton Compton wavelength

No.

Constant

27

Stefan-Boltzmann constant

28

Avogadro constant

29

Molar volume of ideal gas
(273.15 K, 101.325 kPa)

30

Molar gas constant

31

Faraday constant

32

Von Klitzing constant

33

Electron charge to mass
quotient

34

Quantum of circulation

35

Proton gyromagnetic ratio

36

Josephson constant

37

Electron volt

38

Celsius Temperature

39

Astronomical unit

40

Parsec

41

Molar mass of carbon-12

42

Planck constant over 2 pi

43

Hartree energy

44

Conductance quantum

45

Inverse fine-structure constant

46

Proton-electron mass ratio

47

Molar mass constant

48

Neutron Compton wavelength

49

First radiation constant

50

Second radiation constant

51

Characteristic impedance of
vacuum

52

Standard atmosphere

SPECIFICATIONS

Calculations:

Scientific calculations, complex number
calculations, statistical calculations, etc.

Internal calculations:

Mantissas of up to 14 digits

Pending operations:

24 calculations 10 numeric values
(5 numeric values in STAT and complex
number mode)

Power source:

Built-in solar cells
3 V 

¶

 (DC):

Backup batteries
(Alkaline batteries (LR44 or equivalent) 

×

 2)

Operating temperature: 0°C – 40°C (32°F – 104°F)
External dimensions:

79.6 mm (W) 

×

 154.5 mm (D) 

×

 13.2 mm (H)

3-1/8” (W) 

×

 6-3/32” (D) 

×

 17/32” (H)

Weight:

Approx. 97 g (0.22 lb)
(Including batteries)

Accessories:

Batteries 

×

 2 (installed), operation manual,

quick reference card and hard case

FOR MORE INFORMATION ABOUT
SCIENTIFIC CALCULATOR

Visit our Web site.
http://sharp-world.com/calculator/

degree

second

minute

Type

Regression formula

Linear

y

 = 

a

 + 

bx

Exponential

y

 = 

a

 • 

e

bx

Logarithmic

y

 = 

a

 + 

b

 • ln 

x

Power

y

 = 

a

 • 

x

b

Inverse

y

 = 

a

 + 

b

 —

Quadratic

y

 = 

a

 + 

bx

 + 

cx

2

1

x

Exponent

Equation

→

Display

Mantissa

←

Symbol

ENGLISH

• To edit an equation after recalling it, press 

>

 (

<

).

• The multi-line memory is cleared by the following operations:

@c

, 

@F

 (including the Automatic Power Off fea-

ture), mode change, memory clear (

@∏

), RESET, 

@

`

, 

K

  (

R

) 

?

, constant calculation, chain calcula-

tion, angle unit conversion, coordinate conversion, N-base con-
version, numerical value storage to the temporary memories and
independent memory.

Priority Levels in Calculation

Operations are performed according to the following priority:

Q

  Fractions (1

l

4, etc.) 

W

 

∠

, engineering prefixes 

E

  Functions

preceded by their argument (x

-1

, x

2

, n!, etc.) 

R

  Y

x

, 

x

¿

 

T

  Implied

multiplication of a memory value (2Y, etc.) 

Y

 Functions followed by

their argument (sin, cos, etc.) 

U

 Implied multiplication of a function

(2sin30, etc.) 

I

 

n

C

r

, 

n

P

r

 

O

 

×

, 

÷

 

P

 +, – 

{

 AND 

}

 OR, XOR, XNOR

q

 =, M+, M–, 

⇒

M, 

|

DEG, 

|

RAD, 

|

GRAD, DATA, CD, 

→

r

θ

, 

→

xy

and other calculation ending instructions
• If parentheses are used, parenthesized calculations have prec-

edence over any other calculations.

INITIAL SET UP

Mode Selection

m0

: Normal mode (NORMAL)

m1

: Statistic mode (STAT)

m2

: Complex number mode (CPLX)

SET UP menu

Press 

”

 to display the SET UP menu.

• A menu item can be selected by:

• moving the flashing cursor by using

><

, then pressing 

®

 (

=

 key), or

• pressing the number key corresponding to the menu item number.

• If 

  or 

  is displayed on the screen, press 

[

  or 

]

  to

view the previous/next menu screen.

• Press 

ª

 to exit the SET UP menu.

[Selecting the Display Notation and Decimal Places]

Four display notation systems are used to display calculation re-
sults: Floating point; Fixed decimal point; Scientific notation; and
Engineering notation.
• When the FIX, SCI, or ENG symbol is displayed, the number of decimal

places (TAB) can be set to any value between 0 and 9. Displayed
values will be reduced to the corresponding number of digits.

[Setting the Floating Point Numbers System in Scientific Notation]

Two settings are used to display a floating point number: NORM1
(default setting) and NORM2. A number is automatically displayed
in scientific notation outside a preset range:
• NORM1: 0.000000001 

≤

 



x



 

≤

 9999999999

• NORM2: 0.01 

≤

 



x



 

≤

 9999999999

Determination of the Angular Unit

In this calculator, the following three angular units (degrees, radians,
and grads) can be specified.

SCIENTIFIC CALCULATIONS

• Press 

m0

 to select the normal mode.

• In each example, press 

ª

 to clear the display. If the FIX, SCI,

or ENG indicator is displayed, clear the indicator by selecting
‘NORM1’ from the SET UP menu.

Arithmetic Operations

• The closing parenthesis 

)

 just before 

=

 or 

;

 may be

omitted.

Constant Calculations

• In constant calculations, the addend becomes a constant. Sub-

traction and division are performed in the same manner. For
multiplication, the multiplicand becomes a constant.

• In the constants calculations, constants will be displayed as K.

Functions

• Refer to the calculation examples of each function.
• Before starting calculations, specify the angular unit.

Random Function

The Random function has four settings for use in the normal or
statistics mode. (This function cannot be selected while using the
N-Base function.) To generate further random numbers in succes-
sion, press 

®

. Press 

ª

 to exit.

• The generated pseudo-random number series is stored in memory

Y. Each random number is based on a number series.

[Random Numbers]

A pseudo-random number, with three significant digits from 0 up to
0.999, can be generated by pressing 

@`0®

.

Press

@G

DEG

 (

°

)

GRAD

 (g)

RAD

 (rad)

↔

P (

x

,

y

 )

X

Y

0

y

x

P (

r

,

θ

 )

X

Y

0

r

θ

Rectangular coord.

Polar coord.

 No.

Remarks

1

in

: inch

2

cm

: centimeter

3

ft

: foot

4

m

: meter

5

yd

: yard

6

m

: meter

7

mile

: mile

8

km

: kilometer

9

n mile

: nautical mile

10

m

: meter

11

acre

: acre

12

m

2

: square meter

13

oz

: ounce

14

g

: gram

15

lb

: pound

16

kg

: kilogram

17

°F

: Degree Fahrenheit

18

°C

: Degree Celsius

19

gal (US) : gallon (US)

20

l

: liter

21

gal (UK) : gallon (UK)

22

l

: liter

 No.

Remarks

23

fl oz(US) : fluid ounce(US)

24

m

l

: milliliter

25

fl oz(UK) : fluid ounce(UK)

26

m

l

: milliliter

27

J

: Joule

28

cal

: calorie

29

J

: Joule

30

cal

15

: Calorie (15n°C)

31

J

: Joule

32

cal

IT

: I.T. calorie

33

hp

: horsepower

34

W

: watt

35

ps

: French horsepower

36

W

: watt

37
38

Pa

: Pascal

39

atm

: atmosphere

40

Pa

: Pascal

41

(1 mmHg = 1 Torr)

42

Pa

: Pascal

43
44

J

: Joule

Prefix

Operation

Unit

k

(kilo)

@∑00

10

3

M

(Mega)

@∑01

10

6

G

(Giga)

@∑02

10

9

T

(Tera)

@∑03

10

12

m

(milli)

@∑04

10

–3

µ

(micro)

@∑05

10

–6

n

(nano)

@∑06

10

–9

p

(pico)

@∑07

10

–12

f

(femto)

@∑08

10

–15