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E-26

• Conversion Pair Table

Based on ISO Standard (1992) data and CODATA Bulletin
63 (1986) data.

Number

Conversion Pair

Number

Conversion Pair

01

in 

 cm

21

oz 

 g

02

cm 

 in

22

 oz

03

ft 

 m

23

lb 

 kg

04

 ft

24

kg 

 lb

05

yd 

 m

25

atm 

 Pa

06

 yd

26

Pa 

 atm

07

mile 

 km

27

mmHg 

 Pa

08

km 

 mile

28

Pa 

 mmHg

09

n mile 

 m

29

hp 

 kW

10

 n mile

30

kW 

 hp

11

acre 

 m

2

31

kgf/cm

2

 Pa

12

m

2

 

 acre

32

Pa 

 kgf/cm

2

13

gal (US) 

r

r

r

r

r

33

kgf•m 

 J

14

r

r

r

r

r

 

 gal (US)

34

 kgf•m

15

gal (UK) 

r

r

r

r

r

35

lbf/in

2

 

 kPa

16

r

r

r

r

r

 

 gal (UK)

36

kPa 

 lbf/in

2

17

pc 

 km

37

°

 

°

C

18

km 

 pc

38

°

 

°

F

19

km/h 

 m/s

39

 cal

20

m/s 

 km/h

40

cal 

 J

Scientific Constants

 (fx-570W/ fx-991W)

• A total of 40 commonly-used scientific constants, such

as the speed of light in a vacuum and Planck's constant
are built-in for quick and easy lookup whenever you need
them.

• Simply input the number that corresponds to the scien-

tific constant you want to look up and it appears instantly
on the display.

• See the Scientific Constant Table on pages 27 and 28

for a complete list of available constants.

Summary of Contents for FX-100W

Page 1: ...E S F G I fx 100W fx 115W fx 570W fx 991W User s Guide Guía del usuario Mode d emploi Bedienungsanleitung Guida dell utilizzatore ...

Page 2: ... top of the cover and slide the unit out from the bottom To Replace the cover Grasp the top of the cover and slide the unit in from the bottom Always slide the unit into the cover with the unit s display end first Never slide the keyboard end of the unit into the cover ENGLISH ...

Page 3: ...ever charge batteries try to take batteries apart or allow batteries to become shorted Never expose bat teries to direct heat or dispose of them by incinera tion Misuse of batteries can cause them to leak acid that can cause damage to nearby items and creates the possibility of fire and personal injury Always make sure that a battery s positive k and negative l sides are facing correctly when you ...

Page 4: ...g Precautions Be sure to press the P button on the back of the cal culator step 6 on page 35 or 36 before using it for the first time fx 570W fx 100W Be sure to press the 5key before using the calcula tor for the first time fx 991W fx 115W Even if the calculator is operating normally replace the battery at least once every three years for the fx 570W fx 991W fx 115W or at least once every two year...

Page 5: ... humidity or dust Such elements can damage internal circuitry Never drop the calculator or otherwise subject it to strong impact Never twist or bend the calculator Avoid carrying the calculator in the pocket of your trou sers or other tight fitting clothing where it might be sub jected to twisting or bending Never try to take the calculator apart Never press the keys of the calculator with a ball ...

Page 6: ...s 12 kFraction Calculations 12 kDecimal to Fraction Conversion 12 kFraction to Decimal Conversion 12 Percentage Calculations 13 Scientific Function Calculations 14 kTrigonometric Inverse Trigonometric Functions 14 kHyperbolic Inverse Hyperbolic Functions 14 kAngle Unit Conversion 15 kCommon and Natural Logarithms Antilogarithms 15 kSquare Roots Cube Roots Roots Squares Cubes Reciprocals Factorials...

Page 7: ... fx 991W 25 Scientific Constants fx 570W fx 991W 26 Base n Calculations 28 Integration Calculations 30 Degrees Minutes Seconds Calculations 30 Technical Information 31 kWhen you have a problem 31 kError Messages 31 kOrder of Operations 32 kStacks 33 kPower Supply 34 kInput Ranges 37 Specifications 39 Two line Display You can simultaneously check the calculation formula and its answer The first lin...

Page 8: ...Layout Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page 12 9 25 25 15 16 25 30 27 16 16 15 12 16 29 29 15 29 15 29 17 12 16 15 15 15 11 30 11 11 11 14 11 14 11 11 30 14 14 14 20 24 24 11 21 24 20 11 11 11 11 11 11 11 11 20 20 21 17 21 17 21 17 9 11 19 9 21 17 21 17 21 17 19 19 19 17 19 17 19 17 21 18 21 18 16 16 16 15 13 11 10 18 24 x T C DRG fx 570W fx 100W 15 Key Layout...

Page 9: ...Key Layout Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page 12 9 2 25 25 15 16 25 30 27 16 16 15 12 16 29 29 15 29 15 29 17 12 16 15 15 15 11 30 11 11 11 14 11 14 11 11 30 14 14 14 20 24 24 11 21 24 20 11 11 11 11 11 11 11 11 20 20 21 17 21 17 21 17 9 11 19 9 21 17 21 17 21 17 19 19 19 17 19 17 19 17 21 18 21 18 16 16 16 15 13 11 15 10 18 24 x T C DRG fx 115W fx 991W ...

Page 10: ...Unit Modes Degrees DEG R Radians RAD T Grads GRA B Display Modes Exponential notation NORM1 Canceling FIX and SCI NORM2 specification Number of decimal FIX Fix place specification Number of significant SCI Sci digit specification Exponential display range ENG ENG specifications Note Mode indicators appear in the lower part of the display except for the Base n indicators which appear in the ex pone...

Page 11: ...lation into two or more parts k Making Corrections During Input Use e and r to move the cursor to the location you want Press to delete the number or function at the current cursor position Press A K to change to an insert cursor t Inputting something while the insert cursor is on the display in serts the input at the insert cursor position Press e r A K or returns to the normal cur sor from the i...

Page 12: ...eger 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 All of the examples in this manual show calculation re sults using the NORM 1 format k Answer Memory Whenever you press after inputting values or an e...

Page 13: ... for calculating cumulative totals Independent memory uses the same memory area as variable M To clear independent memory M input 0 j 3 Example 23 9 32 23 9 j 3 53 6 47 53 6 45 2 90 45 2 A Total 11 0 3 k Variables There are nine variables A through F M X andY which can be used to store data constants results and other values Use the following operation to delete data assigned to all nine variables...

Page 14: ... in decimal format whenever the total number of digits of a fractional value integer numerator denominator separator marks exceeds 10 Example 1 1 2 C 3 1 C 4 C 5 Example 2 1 6 1 C 2 1 6 Fraction decimal calculation results are always decimal k Decimal to Fraction Conversion Example 2 75 2 2 75 2 75 C A B k Fraction to Decimal Conversion Example 0 5 Fraction Decimal 1 C 2 2 100 1 2 3 4 2 3 4 00 11 ...

Page 15: ...ple 3 To add 15 onto 2500 2500 15 A v Example 4 To discount 3500 by 25 3500 25 A v Example 5 If 300 grams are added to a test sample originally weighing 500 grams what is the percentage increase in weight 100 160 300 500 A v Example 6 If temperature changes from 40 C to 46 C what percentage did it rise 100 15 46 40 A v 0 500 1 2 00 180 00 75 00 2625 00 160 00 2875 00 300 500 500 15 00 46 40 40 ...

Page 16: ...63 52 41 q q q 1 R S 63 I 52 I 41 I Example 2 cos rad q q q 2 T W R A x 3 T Example 3 cos 1 rad q q q 2 T W A V R L 2 2 T g A x Example 4 tan 10 741 q q q 1 R A g 0 741 k Hyperbolic Inverse Hyperbolic Functions Example 1 sinh 3 6 M S 3 6 Example 2 sinh 1 30 M A j 30 0 89785901200 0 500 R T 0 78539816300 0 2500 36 5384457700 T R π 3 2 2 π 4 4 09462222400 18 2854553600 ...

Page 17: ...43 5070629 4 25r k Common and Natural Logarithms Antilogarithms Example 1 log 1 23 R 1 23 Example 2 In 90 loge 90 T 90 Example 3 e10 A U 10 Example 4 101 5 A Q 1 5 Example 5 24 2 w 4 k Square Roots Cube Roots Roots Squares Cubes Reciprocals Factorials Random Numbers and π Example 1 2 3 5 L 2 L 3 L 5 Example 2 3 5 3 27 A D 5 A D D 27 fx 100W fx 115W D 1 2 3 D R G F F F 1 R 0 08990511100 4 499809670...

Page 18: ...e 3 7 123 123 7 A H 123 Example 4 123 302 123 30 K Example 5 123 12 N Example 6 R 3 a 4 a T a Example 7 8 8 A f Example 8 To generate a random number between 0 000 and 0 999 A M Example results differ each time Example 9 3π 3 A x k FIX SCI RND Example 1 200 7 14 400 200 7 14 F F F F 1 3 200 7 14 Performing the same calculation using the specified number of decimal places 200 7 Internal rounding A ...

Page 19: ...meters 56088 J Example 2 To convert 0 08125 grams to milligrams 0 08125 J k Inputting ENG Calculation Symbols F F F F F 1 enters the ENG mode in which ENG symbols can be used in calculations To exit the ENG mode press F F F F F 2 The following are the nine ENG symbols that can be used in ENG mode calculations Key Operation Unit Symbol A k 103 k kilo A M 106 M Mega A g 109 G Giga A t 1012 T Tera A ...

Page 20: ...ponen tial value in the Unit column without inputting the ENG symbol Example 9 10 0 9 m milli F F F F F 1 0 ENG 9 10 900 9 1 m In the ENG mode even standard non ENG calculation results are displayed using ENG symbols A P 0 9 J 900 9 1 m k Coordinate Conversion Pol x y Rec r θ Calculation results are automatically assigned to vari ables E and F Example 1 To convert polar coordinates r 2 60 to recta...

Page 21: ...4 k Combination Example To determine how many different 4 member groups can be organized in a group of 10 individuals 10 A n 4 Statistical Calculations k Standard Deviation SD Mode Press F F 1 to enter the SD Mode for statistical calculations using standard deviation Data input always starts with A m to clear statisti cal memory Input data is used to calculate values for n Σx Σx2 o σn and σn 1 whi...

Page 22: ... S S inputs the same data twice You can also input multiple entries of the same data us ing A G To input the data 110 ten times for example press 110 A G 10 S The above results can be obtained in any order and not necessarily that shown above To delete data you have just input press A U k Probability Distribution Calculations Press A D to produce the screen shown below Input a value from 1 to 4 to...

Page 23: ...ower regression r 2 Inverse regression r 3 Quadratic regression Data input always starts with A m to clear statisti cal memory The values produced by a regression calculation depend on the values input and results can be recalled using the key operations shown in the table below Linear Regression The regression formula for linear regression is y A Bx A N xσn 1 A l p A d yσn A c yσn 1 A q Regressio...

Page 24: ...eric Pressure at 18 C 18 A b Temperature at 1000 hPa 1000 A O Quadratic Regression The regression formula for quadratic regression is y A Bx Cx2 Input data using the following key sequence x data P y data S Example Perform quadratic regression to de termine the regression formula terms and correlation coefficient for the data nearby Next use the regression for mula to estimate the values for y es ...

Page 25: ...ions S S inputs the same data twice You can also input multiple entries of the same data us ing A G To input the data 20 and 30 five times for example press 20 P 30 A G 5 S The above results can be obtained in any order and not necessarily that shown above To delete data you have just input press A U Complex Number Calculations CMPLX Mode Press F 2 to enter the CMPLX Mode for calculations that inc...

Page 26: ... which is pre sumed to exist as coordinates on a Gaussian plane Example To obtain the absolute value r and argu ment θ for the complex number 3 4i when DEG is set for the angle unit mode Imaginary number axis Real number axis Determine the absolute value A A R 3 4 i T 5 CMPLX Determine the argument A a R 3 4 i T 53 13010235 Formula Memory Formula memory lets you input a single formula in memory an...

Page 27: ...0 Store it in memory C X 0 Input a value for its variable 7 58 X 7 8 76 Formula memory is cleared whenever you start a new calculation change to another mode or turn off power Metric Conversions fx 570W fx 991W A total of 20 different conversion pairs are built in to pro vide quick and easy conversion to and from metric units See the Conversion Pair Table on page 26 for a com plete list of availab...

Page 28: ... 14 r r r r r gal US 34 J kgf m 15 gal UK r r r r r 35 lbf in2 kPa 16 r r r r r gal UK 36 kPa lbf in2 17 pc km 37 F C 18 km pc 38 C F 19 km h m s 39 J cal 20 m s km h 40 cal J Scientific Constants fx 570W fx 991W A total of 40 commonly used scientific constants such as the speed of light in a vacuum and Planck s constant are built in for quick and easy lookup whenever you need them Simply input th...

Page 29: ...ass mn 03 electron mass me 04 muon mass mµ 05 Bohr radius a0 06 Planck s constant h 07 nuclear magneton µN 08 Bohr magneton µB 09 Planck s constant rationalized h bar 10 fine structure constant α 11 classical electron radius re 12 electron Compton wavelength λc 13 proton gyromagnetic ratio γp 14 proton Compton wavelength λcp 15 neutron Compton wavelength λcn 16 Rydberg constant R 17 atomic mass un...

Page 30: ...l values calculations can be per formed using binary octal and hexadecimal values You can specify the default number system to be ap plied to all input and displayed values and the number system for individual values you input You cannot use scientific functions in binary octal deci mal and hexadecimal calculations You cannot input val ues that include decimal part and an exponent If you input a v...

Page 31: ... Example 1 To perform the following calculation and produce a binary result 101112 110102 Binary mode F F 3 b 0 b 101112 110102 0 b 110001 b Example 2 To perform the following calculation and produce an octal result 76548 1210 Octal mode F F 3 o 0 o l l l 4 o 76548 l l l 1 d 1210 0 o 516 o Example 3 To perform the following calculation and produce a hexadecimal result 12016 or 11012 Hexadecimal mo...

Page 32: ... specify an integer in the range of 1 to 9 as the number of partitions or you can skip input of the number of partitions entirely of you want Internal integration calculations may take considerable time to complete Display contents are cleared while an integration calcu lation is being performed internally Degrees Minutes Seconds Calculations You can perform sexagesimal calculations using degrees ...

Page 33: ...in calculator memory Make sure you always keep written copies of all important data fx 991W fx 115W If the above steps do not correct the problem press the 5 key The calculator performs a self check operation and deletes all data stored in memory if any abnormality is detected Make sure you always keep written copies of all important data k Error Messages The calculator is locked up while an error...

Page 34: ...more separate parts Syn ERROR Cause Attempt to perform an illegal mathematical operation Action Press e or r to display the calculation with the cursor located at the location of the error Make nec essary corrections Arg ERROR Cause Improper use of argument Action Press e or r to display the location of the cause of the error and make required corrections k Order of Operations Calculations are per...

Page 35: ...tion nPr nCr 9 0 Operations of the same precedence are performed from right to left ex In 120 ex In 120 Other operations are performed from left to right Operations enclosed in parentheses are performed first k Stacks This calculator uses memory areas called stacks to tem porarily store values numeric stack and commands com mand stack according to their precedence during calcu lations The numeric ...

Page 36: ... the Battery Either of the following symptoms indicates battery power is low and that the battery should be replaced Display figures are dim and difficult to read in areas where there is little light available Nothing appears on the display when you press the 5 key To replace the battery 1 Remove the six screws that hold the back cover in place and then remove the back cover 2 Remove the old batte...

Page 37: ...splay figures become dim To replace the battery 1 Press i to turn power off 2 Remove the two screws that hold the battery cover in place and then remove the battery cover 3 Remove the old battery 4 Wipe off the side of new battery with a dry soft cloth Load it into the unit with the positive k side facing up so you can see it 5 Replace the battery cover and secure it in place with the two screws 6...

Page 38: ...emove the six screws that hold the back cover in place and then remove the back cover 3 Remove the old battery 4 Load a new battery into the unit so it s positive k and negative l sides are fac ing correctly 5 Replace the back cover and secure it in place with the six screws 6 Use a thin pointed object to press the P button Be sure not to skip this step 7 Press L to turn power on Auto Power Off Ca...

Page 39: ...0009 1010 tanx DEG Same as sinx except when x 2n 1 90 RAD Same as sinx except when x 2n 1 π 2 GRA Same as sinx except when x 2n 1 100 sin 1x 0 x 1 cos 1x tan 1 x 0 x 9 999999999 1099 sinhx 0 x 230 2585092 coshx sinh 1 x 0 x 4 999999999 1099 cosh 1 x tanhx 0 x 9 999999999 10 1 tanh 1 x logx lnx 0 x 10 x 9 999999999 1099 x 99 99999999 ex 9 999999999 1099 x 230 2585092 x 0 x 1 10100 x2 x 1 1050 1 x x...

Page 40: ...990 590 x 0 1 10100 ylogx 100 xy x 0 y 0 x 0 y n n is an integer However 1 10100 ylog x 100 y 0 x G 0 1 10100 1 x logy 100 x y y 0 x 0 y 0 x 2n 1 n G 0 n is an integer However 1 10100 1 x log y 100 ab c x 1 1050 y 1 1050 SD n 1 10100 REG x n y n o p A B r n G 0 x n 1 y n 1 n G 0 1 Erros are cumulative with such internal continuous cal culations as xy x x x and 3 x so accuracy may be adversely affe...

Page 41: ...s when left with power turned off fx 570W Approximately 12 000 hours continuous dis play of flashing cursor Approximately 3 years when left with power turned off fx 115W fx 991W Approximately 3 years 1 hour use per day Dimensions fx 100W 19 2 H 76 W 164 D mm 3 4 H 3 W 67 16 D fx 115W fx 570W fx 991W 10 H 76 W 150 D mm 3 8 H 3 W 57 8 D Weight fx 100W 114g 4oz including battery fx 115W fx 570W fx 99...

Page 42: ...CASIO ELECTRONICS CO LTD Unit 6 1000 North Circular Road London NW2 7JD U K ...

Page 43: ...SA9810 C Printed in China Imprimé en Chine HA310540 1 U S Pat 4 410 956 CASIO COMPUTER CO LTD 6 2 Hon machi 1 chome Shibuya ku Tokyo 151 8543 Japan ...

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