Casio Fx 260Solar Owners Manual .......... 6

Casio-Casio-Fx260Solar-Scientific-Calculator-Fx260Solarscih-Users-Manual-242731 casio-casio-fx260solar-scientific-calculator-fx260solarscih-users-manual-242731

Fx82Solar-E fx82solar-e

User manual fx82SOLAR_E Casio fx-85B Calculator User Manuals and Instruction Guides

FX260SOLARSCIH to the manual a870e373-542d-4f1d-b55e-2a40e5aca8ad

fx82SOLAR fx82SOLAR_EN fx-260SOLAR | Calculators | Manuals | CASIO

2015-03-09

: Casio Casio-Fx-260Solar-Owners-Manual-590295 casio-fx-260solar-owners-manual-590295 casio pdf

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NQPOR

•••••••••••••••••••

fx-82SOLAR

fx-85B

fx-260SOLAR

fx-280

•••••••••••••••••••

•••••••••••••••••

••••••••••••••••

fx-82SOLAR/

fx-260SOLAR

fx-85B/fx-280

ENGLISH

ESPAÑOL

FRANÇAIS

DEUTSCH

110

ITALIANO

147

— 1 —

Contents

Handling Precautions … 2

Modes … 3

Basic Calculations … 5

Constant Calculations … 6

Memory Calculations … 7

Fraction Calculations … 9

Percentage Calculations … 10

Scientific Function Calculations … 11

Statistical Calculations (SD Mode) … 18

Technical Information … 21

CASIO ELECTRONICS CO., LTD.

Unit 6, 1000 North Circular Road,

London NW2 7JD, U.K.

— 2 —

Handling Precautions

•Your calculator is made up of precision components. Never

try to take it apart.

•Avoid dropping your calculator and otherwise subjecting it

to strong impact.

•Do not store the calculator or leave it in areas exposed to

high temperature or humidity, or large amounts of dust.

When exposed to low temperatures, the calculator may

require more time to display results and may even fail to

operate. Correct operation will resume once the calculator

is brought back to normal temperature.

•The display will go blank and keys will not operate during

calculations. When you are operating the keyboard, be sure

to watch the display to make sure that all your key opera-

tions are being performed correctly.

•Never leave the dead battery (fx-85B/fx-280) in the battery

compartment. It can leak and damage the unit.

•Avoid using volatile liquids such as thinner or benzine to

clean the unit. Wipe it with a soft cloth, or with a cloth that

has been dipped in a solution of water and a neutral deter-

gent and wring out.

•In no event will the manufacturer and its suppliers be liable

to you or any other person for any damages, expenses,

lost profits, lost savings, or any other damages arising out

of malfunction, repairs, or battery replacement (fx-85B/fx-

280), or insufficient light. The user should prepare physical

records of data to protect against such data loss.

•Never dispose of battery (fx-85B/fx-280), the liquid crystal

panel, or other components by burning them.

•Before assuming malfunction of the unit, be sure to care-

— 3 —

fully reread this manual and ensure that the problem is not

due to low battery power (fx-85B/fx-280) or operational

error.

•The contents of this manual are subject to change without

notice.

•No part of this manual may be reproduced in any form

without the express written consent of the manufacturer.

•Keep this manual on hand for future reference.

Modes

*Display indicators show current mode setting. Absence of

display indicator indicates COMP Mode.

Key

Operation

Mode

Name*

Standard deviation calculations

Normal calculations

Calculations using grads

Calculations using radians

Number of decimal place

specification

Number of significant digit

specification

Cancels FIX and SCI settings

Calculations using degrees

COMP

DEG

RAD

GRA

FIX

SCI

Application

NORM

— 4 —

Note!

•A mode guide is located at the top of the display screen.

•DEG, RAD, and GRA modes can be used in combination

with COMP and SD modes.

•F9 does not exit SD mode.

•F0 exits SD mode.

•F0 does not clear SCI or FIX specifications.

•Always press t before entering DEG, RAD, and GRA

modes.

•Remember to always set the operating mode and angular

unit (DEG, RAD, GRA) before starting your calculation.

— 5 —

Basic Calculations

•Use the COMP mode for basic calculations.

•Example 1: 234.553

23 + 4.5 , 53 =

•Example 2: 56(12)(2.5)

56 -12 E \ 2.5 E =

•Example 3: 23(11020)

2 \ 3 -1 e 20 =

•Example 4: 7845=36

7 - 8 , 4 - 5 =

•Example 5: =0.3

4 - 5 \ 6 A N =

•Example 6: 2[76(54)]122

2 - O 7 + 6 -

O 5 + 4 P P =

•You can skip all P operations before the = key.

122.

0.3

45

36.

–25.5

6.66666666719

268.8

— 6 —

•Example 7: 4/3π53

4 \ 3 - A x - 5 A N =

Constant Calculations

•Press +, ,, - or \ twice after inputting a number to

make that number a constant.

•“K” is on the display while a constant is being used.

•Use the COMP mode for constant calculations.

•Example 1: 2.33, then 2.36

(2.33) 2.3 + + 3 =

(2.36) 6 =

•Example 2: 122.3, then 12(9)

(122.3) 12 - - 2.3 =

(12(9)) 9 E =

•Example 3: 1717171768

(1717) 17 + + =

(171717) =

(17171717) =

523.5987756

K8.3

K27.6

K–108.

K5.3

K34.

K68.

K51.

— 7 —

K2.89

K4.913

K8.3521

•Example 4: 1.748.3521

(1.72)1.7 - - =

(1.73)=

(1.74)=

Memory Calculations

•Use the COMP mode for memory calculations.

•Use A Y, |, A { and Z for memory calculations.

A Y replaces current memory contents.

•“M” appears when there is a value in memory.

•To clear memory, press 0 A Y or t A Y.

•Example 1: (536)(238)(562)(994)210.75

(536) 53 + 6 = A Y

(238) 23 , 8 |

(562) 56 - 2 |

(994) 99 \ 4 |

(Memory recall) Z

•Example 2: To calculate the following using memory as

shown.

M59.

M15.

M112.

M24.75

M210.75

— 8 —

•Example 3: To calculate the following using memory and

a constant: (123)(453)(783)135.

(123) 3 - - 12 = A Y

(453) 45 A {

(783) 78 |

(Memory recall) Z

kAdditional fx-85B/fx-280 Memory Calculations

•The fx-85B/fx-280 has two additional memories named A

and B.

•Use A J to store data and 0 to recall data.

•Storing data in a memory replaces anything stored there

previously.

•To clear a memory, store a zero in it.

•Example 1: To input 123 in memory A.

t 123 A J 1

MK 135.

MK 234.

MK 135.

M13.

MK 36.

123.

— 9 —

t 0 1

•Example 2: To store the results of 123  456 in memory B.

t 123 - 456 A J 2

t 0 2

Fraction Calculations

•Use COMP mode for fraction calculations.

•Total number of digits (including division marks) cannot

exceed 10.

•Example 1:  1

2 C 3 + 4 C 5 =

•Example 2: 3 1 4

3 C 1 C 4 +

1 C 2 C 3 =

•Example 3: 2 C 4

•Example 4: 1.62.1

1 C 2 + 1.6 =

Fraction/decimal calculation result is always decimal.

123.

1 7 15.

411 12.

2 4.

1 2.

56088.

2.1

— 10 —

•Example 5: ↔ 0.5(Fraction ↔Decimal)

1 C 2 =

•Example 6: 1 ↔

1 C 2 C 3

A B

Percentage Calculations

•Use COMP mode for percentage calculations.

•Example 1: To calculate 12% of 1500.

1500 - 12 A v

•Example 2: To calculate what percentage of 880 is 660.

660 \ 880 A v

•Example 3: To add 15% onto 2500.

2500 - 15 A v +

5 3.

1 2 3.

0.5

1 2 3.

1 2.

180.

75.

2875.

— 11 —

•Example 4: To discount 3500 by 25%.

3500 - 25 A v ,

•Example 5: To calculate the following using a constant.

12% of 1200 = 144

18% of 1200 = 216

23% of 1200 = 276

(12%) 1200 - - 12 A v

(18%) 18 A v

(23%) 23 A v

Scientific Function Calculations

•Use COMP mode for scientific function calculations.

•Some calculations may take a long time to complete.

•Wait for result before starting next calculation.

• =3.1415926536.

kSexagesimal Functions

•Example 1: 14°25’36” + 12°23’34” = 26°49’10”

14 I 25 I 36 I +

12 I 23 I 34 I =

2625.

K144.

K216.

K276.

26°49°10.

— 12 —

•Example 2: 1°2’3” + 4.56 = 5.594166667

1 I 2 I 3 I + 4.56 =

•Example 3: sin 87°65’43.21” = 0.999447513 (DEG mode)

87 I 65 I 43.21 I S

•Example 4: 1.23↔ 1°13’48”

1.23 I

•Example 5: 12°34’ ↔ 12.56666667

12 I 34 I A O

You can also use I when inputting values to convert be-

tween sexagesimal and decimal.

kTrigonometric/Inverse Trigonometric

Functions

•Example 1: sin ( rad) (RAD mode)

A x \ 6 = S 0.5

5.594166667

0.999447513

1°13°48.

1.23

1°13°48.

12.56666667

RAD



— 13 —

•Example 2: cos 63°52’41” (DEG mode)

63 I 52 I 41 I W

•Example 3: tan (35gra)(GRA mode)

35 E h

•Example 4: cos–1 ( rad) (RAD mode)

2 A L \ 2 = A V

•Example 5: To c o n v er t 45 degrees to radians, grads, and

back to degrees.

F 4 45

A F 5

A F 6

A F 4

Repeated conversion between angle units can cause nor-

mally minute error to accumulate, resulting in poor preci-

sion.

0.440283084

–0.612800788

DEG

GRA

RAD

0.785398163

45.

DEG

0.785398163

50.

45.

DEG

RAD

GRA

— 14 —

kHyperbolic/Inverse Hyperbolic Functions

•Example 1: sinh 3.6 3.6 M S

•Example 2: sinh1 30 30 M A j

kCommon and Natural Logarithms, Exponents

•Example 1: log 1.23 1.23 R

•Example 2: In 90 (loge 90) 90 T

•Example 3: 64 R \ 4 R =

•Example 4: 100.45 e3

.4 A Q +

5 - 3 E A U =

•Example 5: 232 w 3 =

•Example 6: 232 w 3 E =

•Example 7: e10 10 A U

Iog 64

Iog 4

22026.46579

0.125

2.760821773

4.49980967

0.089905111

4.094622224

18.28545536

— 15 —

•Example 8: log sin 40° + log cos 35° (DEG mode)

40 S R +35 W R =

A Q

•Example 9: 81/3 8 A s 3 =

kSquare Roots, Cube Roots, Squares,

Reciprocals and Factorials

•Example 1: 2 3 5

2 A L + 3 A L - 5 A L =

•Example 2: 3 53 27

5 A D + 27 E A D =

•Example 3: 123302

123 + 30 K =

•Example 4:

3 A X , 4 A X =

A X

DEG

12.

1  1

3 4

0.526540784

–0.278567983

5.287196909

1023.

–1.290024053

To convert to antilogarithm:

— 16 —

•Example 5: 8! 8 A f

kFIX, SCI, NORM, RND, RAN#, ENG

Calculations

•Example 1: 1.2341.234, rounding result to two places

(FIX 2).

F 7 2

1.234 +1.234 =

•Example 2: 1.2341.234, rounding input to two places.

F 7 2 1.234 A b +

1.234 A b =

•Press F 9 to clear FIX specification.

•Example 3: 1 3 , displaying result with two significant

digits (SCI 2).

F 8 2

1 \ 3 =

•Press F 9 to clear SCI specification.

0.00

2.47

FIX

2.46

FIX

0.0 00

3.3–01

SCI

40320.

— 17 —

•Example 4: To convert 56,088 meters to kilometers.

56088 A J

•Example 5: To convert 0.08125 grams to milligrams.

.08125 A J

•Example 6: To generate a random number between 0.000

and 0.999.

Example (results differ each time) A c

kCoordinate Conversion

•Example 1: To convert polar coordinates (r2,



60°) to

rectangular coordinates (x, y). (DEG mode)

x2 A z 60 =

yA N

A N swaps displayed value with value in memory.

•Example 2: To convert rectangular coordinates (1, 3) to

polar coordinates (r,



). (RAD mode)

r1 A y 3 A L =

56.088 03

81.25–03

0.664

DEG

1.732050808

DEG

RAD

— 18 —

A N

kPermutation

•Example: To determine how many different 4-digit values

can be produced using the numbers 1 through 7.

7 A m 4 =

kCombination

•Example: To determine how many different 4-member

groups can be organized in a group of 10 individuals.

10 A n 4 =

Statistical Calculations (SD Mode)

•Press F l to enter the SD Mode for statistical calcula-

tions using standard deviation.

•If FIX or SCI is on the display, press F 9 first.

•Data input always starts with A u.

•Example: To calculate n1, n, o, n, x, and x2 for the

following data : 55, 54, 51, 55, 53, 53, 54, 52.

Enter SD Mode. F l

840.

210.

RAD

1.047197551

— 19 —

Input Data. A u 55 }

54 } 51 }

55 } 53 } }

54 } 52 }

Sample standard deviatio

A q

Population standard deviation

A p

Arithmetic mean A `

Number of data A r

Sum of values A o

Sum of squares of values A a

• } } inputs the same data twice (as above).

•You can also input multiple entries of the same data using

-. To input the data 110 ten times, for example, press

110 -10 }.

•The above results can be obtained in any order, and not

necessarily that shown above.

•To delete data you have just input, press A [.

1.407885953

1.316956719

427.

22805.

53.375

52.

— 20 —

kMaking Corrections During Data Input

• Example 1: To change data you have just input.

Correction

Actual Correction

51 }50 }A [

51 }

130 -

31 }

130 -

31 }

120 -

t130 -

31 }

t130 -

31 }

51 }

130 -

31 }

49 }

120 -

30 }

49 A [

51 }

120 - 30 A [130 -

31 }

Correct Actual

Correct

• Example 2: To change data you previously input.

— 21 —

Technical Information

kKeys and Their Functions

•General

Arithmetic calculations .......................... +, ,, -,

............. \, =

Backspace ............................................ Q

Clear(retains memory) .......................... k

Number input ........................................ 0 – 9, l

Power on; All clear ................................ t

Sign change .......................................... E

•Memory

Memory in ............................................. A Y

Memory minus ...................................... A {

Memory plus ......................................... |

Memory recall ....................................... Z

•fx-85B/fx-280 Memory

Memory A recall .................................... 0 1

Memory B recall .................................... 0 2

Memory M recall ................................... 0 3

Memory A store ..................................... A J 1

— 22 —

Memory B store ..................................... A J 2

Memory M store .................................... A J 3

•Special

Display/memory swap ........................... A N,

A d

Exponent ............................................... e

Internal rounding ................................... A b

Parentheses .......................................... O, P

Pi (3.1415926536) ................................ A x

Select mode .......................................... F

Sexagesimal ......................................... I, A O

Shifts key functions ............................... A

• Scientific Functions

Arc cosine ............................................. A V

Arc sine ................................................. A j

Arc tangent ............................................ A g

Common antilogarithm .......................... A Q

Common logarithm ................................ R

Convert to degrees ................................ A F 4

Convert to grads .................................... A F 6

Convert to radians ................................. A F 5

Cosine ................................................... W

— 23 —

Cube ..................................................... A N

Cube root .............................................. A D

Engineering ........................................... A J,

A P

Factorial ................................................ A f

Fraction ................................................. C

Fraction ................................................. A B

Hyperbolic ............................................. M

Natural antilogarithm ............................. A U

Natural logarithm ................................... T

Percent .................................................. A v

Polar-to-rectangular .............................. A z

Power .................................................... w

Random number ................................... A c

Reciprocal ............................................. A X

Rectangular-to-polar ............................. A y

Root ...................................................... A s

Sine ....................................................... S

Square .................................................. K

Square root ........................................... A L

Tangent ................................................. h

Permutation ........................................... A m

Combination .......................................... A n

— 24 —

• Statistics (SD Mode)

Arithmetic mean .................................... A `

Data delete ............................................ A [

Data input .............................................. }

Number of data ..................................... A r

Population standard deviation ............... A p

Sample standard deviation .................... A q

Statistical register clear ......................... A u

Sum of squares of values ..................... A a

Sum of values ....................................... A o

kExponential Display Formats

This calculator can display up to 10 digits. Larger values are

automatically displayed using exponential notation. In the

case of decimal value, you can select between two formats

that determine at what point exponential notation is used.

•NORM 1

With NORM 1, exponential notation is automatically used

for integer values with more than 10 digits and decimal values

with more than two decimal places.

•NORM 2

With NORM 2, exponential notation is automatically used

for integer values with more than 10 digits and decimal values

with more than nine decimal places.

— 25 —

To switch between NORM 1 and NORM 2

Press F 9. There is no indication on the display of which

format is currently in effect, but you can determine the setting

by performing the following calculation.

1 \ 200 = NORM 1 format

NORM 2 format

•All of the examples in this manual show calculation results

using the NORM 1 format.

kWhen you have a problem...

If calculation results are not what you expect or if an error

occurs, perform the following steps.

1. F 0 (COMP mode)

2. F 4 (DEG mode)

3. F 9 (NORM mode)

4. Check the formula you are working with to confirm it is

correct.

5. Enter the correct modes to perform the calculation and

try again.

kMaking Corrections During Calculations

•If you make a mistake when inputting a value (but did not

yet press an operator key), use Q to backspace and delete

input digits one-by-one. Or you can press k to clear the

input entirely and start again.

5. –03

0.005

— 26 —

•In a series of calculations, press k while an intermediate

result is displayed to clear only the last calculation per-

formed.

•To change the operator key (+, ,, -, \, w, As,

etc.) you just pressed, simply press the correct operator

key. In this case, the operator of the last key you press is

used, but the operation retains the order of precedence of

the operation for the first key you pressed.

kOverflow or Error Check

The following conditions make further calculation impossi-

ble.

a. When a result (whether intermediate or final) or a

total accumulated in memory is greater than

±9.999999999  1099. (“–E–” indicator appears on the

display.)

b. When function calculations are performed using a value

that exceeds the input range. (“–E–” indicator appears

on the display.)

c. When an illogical operation (such as an attempt to calcu-

late o and σn while n  0) is performed during statistical

calculations. (“–E–” indicator appears on the display.)

d. When an illegal mathematical operation (such as division

by zero) is performed. (“–E–” indicator appears on dis-

play.)

e. The total number of nested parentheses levels exceeds

six, or when more than 18 pairs of parentheses are used.

(“– 1–” indicator appears on the display.)

•To clear any of the above conditions, press t and per-

form the calculation from the beginning.

— 27 —

•In the case of condition e, you could also press k. This

clears the intermediate result just prior to the overflow, so

you can continue with the calculation from that point.

•No error occurs when the result is within the range of

(11099)to (11099). Instead, the display shows all

zeros.

kPower Supply

•fx-82SOLAR/fx-260SOLAR

This calculator is powered by a solar cell that converts avail-

able light into electrical power.

Solar Cell Precautions

•The solar cell requires at least 50 lux of light to provide

power.

•If available light is too low, the display may become dim,

calculation functions may become impossible, or the con-

tents of the independent memory may be lost. If this

happens, move to an area with more light.

•fx-85B/fx-280

This calculator is powered by the CASIO TWO- WAY POWER

system, which makes it possible for the calculator to operate

even in total darkness.

•The calculator retains memory contents no matter what

the lighting conditions.

•The TWO-WAY POWER system uses two power sources:

a solar cell and a single G13 Type (SR44 or LR44) battery.

•Weak battery power is indicated when memory contents

spontaneously clear, or when the display darkens under

poor light and cannot be restored by pressing 5.

— 28 —

Important!

Incorrect use of batteries can cause them to burst or leak,

possibly damaging the calculator.

•Be sure to replace the battery at least once every three

years, regardless of how much the calculator is used. Old

batteries may leak, causing serious damage to the interior

of the calculator.

•The battery that comes with the calculator when you pur-

chase it is for testing only. It may not provide full service

life.

•Low bettery power can cause memory contents to become

corrupted or lost completely. Always keep written records

of all important data.

•Always be sure to load the battery with its positive ()

side facing up (so you can see it).

•Never try to charge batteries, take them apart, or allow

them to become shorted. Keep batteries away from direct

flame and heat.

•

Keep batteries out of the reach of small children. If

swallowed, consult with your physician immediately.

To replace the battery

1. Remove the screws that hold the

back cover in place, and then re-

move the cover.

2. Remove the old battery.

3. Install a new battery, making sure

that the positive () side is facing

up (so you can see it).

4. Replace the back cover and

secure it in place with the screws.

Screws

Battery

— 29 —

5. Press t to turn power on.

kOrder of Operations and Levels

Operations are performed in the following order of prec-

edence.

1. Functions

2. xy, x1/y, R →P, P →R, nPr, nCr

3. , 

4. , 

•Operations with the same precedence are performed from

left to right, with operations enclosed in parentheses per-

formed first. If parentheses are nested, the operations en-

closed in the innermost set of parentheses are performed

first.

•Registers L1 through L6 store operations. There are six reg-

isters, so calculations up to six levels can be stored.

•Each level can contain up to three open parentheses, so

parentheses can be nested up to 18 times.

•Example: The following operation uses 4 levels and 5

nested parentheses.

2 - O O O 3 + 4 - O O 5 + 4

The table on the next page shows register contents

following the above input.

— 30 —

kFormulas, Ranges, and Conventions

The following are the formulas, ranges, and conventions that

are applied to various calculations that can be performed

using this calculator.

Coordinate Transformation

•With polar coordinates,

can be calculated within a range

of –180° 

 180°. The calculation range is the same for

radians and grads.

P (x,y)

Pol

Rec

P (r, )

(( 5 

4 

((( 3 

2 

— 31 —

(nr)!

n!(nr)!

Permutation

•Input range: n  r  0 (n, r : integers)

•Formula: nPr 

Combination

•Input range: n  r  0 (n, r : integers)

•Formula: nCr 

Population Standard Deviation

n  n



i  1

n(xi – x)2

n

x2 – (x)2 / n

Sample Standard Deviation

n – 1  n – 1



i  1

n(xi – x)2

x2 – (x)2 / n

n – 1

Arithmetic Mean

o n



i  1

n xi x

— 32 —

kSpecifications

Power Supply :

fx-82SOLAR/fx-260SOLAR : Solar cell

fx-85B/fx-280 : CASIO TWO-WAY POWER System: solar

cell plus one G13 Type (SR44 or LR44)

battery

Battery Life (fx-85B/fx-280) :

Approximately 3 years (1 hour use per day)

on LR44/SR44 battery

Input Ranges :

tan–1x

sinhx

coshx

tanhx

sinh–1x

cosh–1x

x 1 

100

x 230.2585092

x 1

100

For sinh and tanh,errors

are cumulative and ac-

curacy is affected at a

certain point when x=0.

x 5 

1 x  5 

sinx

cosx

tanx

sin–1x

cos–1xx 1

(DEG) x9109

(RAD) x5107 rad

(GRA) x11010 grad

However, for tan x:

x≠ 90(2n1):DEG

x≠ 2·(2n1):RAD

x≠ 100(2n1):GRA

Functions Input Range

— 33 —

Functions Input Range

x 1

1

–99

 x  1 

100

–1

100

 x 

100

–1

100

 x  230.2585092

0  x  1 

100

x 1

x 2.154434690 

x 1

100

;

x ≠

x 1

100

0  x 

69 (

x is an integer)

tanh–1x

logx/lnx

10x

1/x

3 x

nPr/nCr

R→P

P→R

°’ ”

x2  y2 110100

0  r  110100

(DEG) 9109

(RAD) 5107 rad

(GRA) 11010 grad

However, for tan



≠ 90(2n1):DEG

≠ 2·(2n1):RAD

≠ 100(2n1):GRA

Input and Results

To tal of hour, minutes, and seconds digits

must be 10 or fewer (including separator

symbols).

Decimal ↔ Sexagesimal Conversions

x 2777777.777

0  r  n

n 11010

(n and r are integers)

— 34 —

Functions Input Range

x  0: –110100 y log x 100

x  0: y  0

x  0: y  n; (n is an integer)

However: –110100  y log x100

To tal of integer, numerator, and denominator

must be 10 digits or less(including division

marks).

x  0:y ≠ 0

–1101001/y log x 100

x  0: y  0

x  0: y 2n1; (n ≠ 0; n is an integer)

However: –110100 1/y log x100

x1/y

a b/c

2n1

x 11050

n 110100

n , o : n ≠ 0

n –1 : n ≠ 0, 1

•Errors are cumulative with such internal continuous

calculations as xy, x1/y , x!, and 3 x, so accuracy may be

adversely affected.

— 35 —

Operating Temperature: 0°C–40°C (32°F–104°F)

Dimensions:

fx-82SOLAR/fx-260SOLAR:

8(H)66.5(W)125(D) mm

5/16"(H)2-5/8"(W)4-15/16"(D)

fx-85B/fx-280:

13.5(H)73(W)144.5(D) mm

1/2"(H)2-7/8"(W)5-5/8"(D)

Weight:

fx-82SOLAR/fx-260SOLAR:

47 g (1.7oz)

fx-85B/fx-280:

67 g (2.4oz) including battery

Calculation Capacity:

•Input/ Basic Calculations

10-digit mantissa; or 10-digit mantissa plus 2-digit expo-

nent up to 10±99

SA9709-C Printed in China

Imprimé en Chine

CASIO COMPUTER CO., LTD.

6-2, Hon-machi 1-chome,

Shibuya-ku, Tokyo 151-8543, Japan

Casio Fx 260Solar Owners Manual .......... 6

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User manual fx82SOLAR_E Casio fx-85B Calculator User Manuals and Instruction Guides

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