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Manual Casio fx-85W

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  • Casio fx-85W - page 1

    E S F G I fx-85W fx-85W A fx-300W fx-350TL User’s Guide Guía del usuario Mode d’emploi Bedienungsanleitung Guida dell’utilizzatore ...

  • Casio fx-85W - page 2

    Removing and Replacing the Calculator’ s Co ver • To Remove the co ver Gr asp the top of the co v er, and slide the unit out from the bottom. • To Replace the cover Gr asp the top of the co ver , and slide the unit in from the bottom. Alw a ys slide the unit into the co ver with the unit’ s display end first. Ne ver slide the ke yboard end ...

  • Casio fx-85W - page 3

    E-1 Safety Precautions Be sure to read the follo wing safety precautions before using this calculator. K eep this man ual handy f or later ref- erence. Caution This symbol is used to indicate infor mation that can result in personal injur y or material damage if ignored. Batteries • After removing the batteries from the calculator , put them in a ...

  • Casio fx-85W - page 4

    E-2 • The displays and illustr ations (such as ke y mar kings) sho wn in this User’s Guide are f or illustrativ e pur- poses only , and may differ some what from the actual items the y represent. • The contents of this manual are subject to change without notice . • In no ev ent shall CASIO Computer Co., Ltd. be liab le to any one for speci ...

  • Casio fx-85W - page 5

    E-3 • Av oid use and stora g e in areas subjected to tempera- ture e xtremes. Ve ry lo w temperatures can cause slow displa y response, total failure of the displa y , and shortening of batter y lif e. Also avoid leaving the calculator in direct sunlight, near a window, near a heater or anywhere else it might be- come exposed to v er y high tempe ...

  • Casio fx-85W - page 6

    E-4 Contents Safety Precautions .......................................... 1 Handling Precautions ....................................... 2 Tw o-line Display ............................................... 5 Ke y Lay out ........................................................ 6 Before Starting Calculations... ....................... 8 k Modes .... ...

  • Casio fx-85W - page 7

    E-5 k Pe rm utation .......................................................... 18 k Combination ......................................................... 18 Statistical Calculations .................................. 19 k Standard Deviation (SD Mode) ............................ 19 k Regression Calculations (REG Mode) ................. 20 Formula M ...

  • Casio fx-85W - page 8

    E-6 ScI McI ScI McI x! DT CL M- M A BI N S ScI McI AB C sin -1 cos -1 tan -1 D XY EF r y y Rnd Ran# e 10 SHIFT ALPHA MODE OFF REPLA Y Key Layout Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page 12 9 16 18 16 16 18 16 18 16 15 12 18 15 15 17 12 16 16 15 15 11 25 11 11 11 14 11 14 11 11 25 14 15 14 11 20 20 11 11 11 11 11 11 ...

  • Casio fx-85W - page 9

    E-7 LOGIC 16 24 x! DT CL M- M A nPr nCr BI N S ScI McI AB C sin -1 cos -1 tan -1 D XY EF r y y Rnd Ran# 10 e SHIFT ALPHA MODE ON REPLA Y DEC OCT HEX BIN Key Layout Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page 12 9 2 23 16 23 16 16 18 18 16 15 12 24 15 24 15 24 17 12 16 16 15 15 11 25 11 11 11 14 11 14 11 11 25 14 15 14 ...

  • Casio fx-85W - page 10

    E-8 Bef ore Star ting Calculations... k Modes Application Mode Mode Name Indicator Calculation Modes Normal calculations COMP – Standard deviation SD SD calculations Reg ression calculations REG REG Base- n calculations BASE-N b (binary) (fx-85W only) o (octal) d (decimal) H (hexadecimal) Angle Unit Modes Degrees DEG R Radians RAD T Gr ads GRA B ...

  • Casio fx-85W - page 11

    E-9 k Input Capacity • The memor y area used for calculation input can hold 79 “st eps .” Whenever y ou input the 73rd step of any calcu- lation, the cursor changes from “_” to “ k ” t o let y ou know memory is r unning low . If you still need to input more, you should divide your calculation into tw o or more par ts. k Making Correct ...

  • Casio fx-85W - page 12

    E-10 k Exponential Display Formats This calculator can display up to 10 digits . Larger v alues are automatically display ed using exponential notation. In the case of decimal values , y ou can select betw een two fo rm ats that deter mine at what point e xponential notation is used. Press F F F F 3 1 ( or 2 ) to select NORM 1 or NORM 2 (fx-85W). F ...

  • Casio fx-85W - page 13

    E-11 Basic Calculations •U se the COMP mode for basic calculations. • Example 1 : 3  (5  10 –9 ) 3 - R 5 e D 9 T = • Example 2 : 5  (9  7) 5 - R 9 + 7 T = •Y ou can skip all T operations before = . Memor y Calculations k Independent Memory •V alues can be input directly into memor y , added to memor y , or subtracted from me ...

  • Casio fx-85W - page 14

    E-12 • Example: 193.2  23  8.4 193.2  28  6.9 193.2 j 1 23 = p 1 28 = Fraction Calculations k Fraction Calculations •U se the COMP mode for fraction calculations. •V alues are automatically displa y ed in decimal format whenever the total n umber of digits of a fractional v alue (integer  num er a to r  denominator  s ...

  • Casio fx-85W - page 15

    E-13 C C Pe r centa g e Calculations •U se the 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 + • Example 4 : To discount 3500 b y 25% 3500 - 25 A v , • Example 5: If 300 gr ...

  • Casio fx-85W - page 16

    E-14 Scientific Function Calculations •U se the COMP mode for scientific function calculations. •  = 3.14159265359 k T rigonometric/In verse T rigonometric Functions • Example 1 : sin63 ° 52  41  fx-85W: q q q 1 → “ R ” Other models: q q 1 S 63 I 52 I 41 I = • Example 2 : cos ( r ad ) fx-85W: q q q 2 → “ T ” Other mode ...

  • Casio fx-85W - page 17

    E-15 k Hyperbolic/In verse Hyperbolic Functions • Example 1 : sinh 3.6 M S 3.6 = • Example 2 : sinh  1 30 M A j 30 = k Angle Unit Con version •P ress A v to displa y the following men u. 1 2 3 D R G •P ressing 1 , 2 , or 3 converts the display ed value to the corresponding angle unit. • Example : To conver t 4.25 r adians to degrees fx ...

  • Casio fx-85W - page 18

    E-16 k Square Roots, Cube Roots, Roots, Squares, Cubes, Recipr ocals, Factorials, Random Numbers and π • Example 1: 2  3  5 L 2 + L 3 - L 5 = • Example 2: 3 5  3  27 D 5 + D D 27 = • Example 3: 7 123 ( = 123 ) 7 A H 123 = • Example 4: 123  30 2 123 + 30 K = • Example 5: 12 3 12 N = • Example 6: R 3 a , 4 a T a = • Exam ...

  • Casio fx-85W - page 19

    E-17 (Specifies three decimal places .) fx-85W: F F F F 1 3 Other models: q q q 1 3 200 7 = - 14 = Pe rforming the same calculation using the specified nu mber of decimal places 200 7 = (Inter nal rounding) A Q - 14 = •P ress F F F F 3 1 (fx-85W) to clear FIX speci- fication. F or other models, press F F F 3 1 . • Example 2: 1  3, displa ...

  • Casio fx-85W - page 20

    E-18 2. 00 T 1. 00 1.732050808 00 R 1.047197551 00 840. 210. k Coor dinate Con ver sion (P ol( x , y ), Rec ( r , θ )) •C alculation results are automatically assigned to vari- ables E and F . • Example 1: To con ver t polar coordinates ( r  2,   60 ° ) to rectangular coordinates ( x , y ) (DEG mode) x A F 2 P 60 T = y 0 o • 0 n , ...

  • Casio fx-85W - page 21

    E-19 52. 00 SD 1.407885953 00 1.316956719 00 53.375 00 8. 00 22805. 00 427. 00 Statistical Calculations k Standard De viation (SD Mode) •P ress F F 1 (fx-85W) to enter the SD Mode for sta- tistical calculations using standard deviation. For other models, press F 2 . •D ata input alwa ys star ts with A m = to clear statisti- cal memor y . •I n ...

  • Casio fx-85W - page 22

    E-20 Data Input Precautions • S S inputs the same data twice . •Y ou can also input m ultiple entries of the same data us- ing A G . To input the data 110 ten times, f or example , press 110 A G 10 S . • The abov e results can be obtained in an y order , and not necessarily that shown abov e . •T o delete data y ou have just input, press A ...

  • Casio fx-85W - page 23

    E-21 •L inear Regression The regression f or mula f or linear regression is: y  A  B x . • Example: Atmospher ic Pressure vs . T emper ature Pe rform linear reg ression to deter- mine the regression f or m ula terms and correlation coefficient f or the data nearb y . Ne xt, use the reg res- sion f or m ula to estimate atmos- pheric pressu ...

  • Casio fx-85W - page 24

    E-22 • Example: Pe rfor m quadratic regression to de- ter mine the regression for m ula ter ms and correlation coefficient for the data nearby . Next, use the reg ression f or- mu la to estimate the values f or ˆ y ( es- timated value of y ) f or x i = 16 and ˆ x (estimated value of x ) f or y i = 20. Enter REG mode (Quadratic reg ression) fx-8 ...

  • Casio fx-85W - page 25

    E-23 Formula Memory (fx- 85W ) •F ormula memor y lets y ou input a single f or mula in memor y , and then input v alues for the formula's v ar iables to calculate results. •M emory can hold a single f or m ula, up to 79 steps long. This function can be used in the COMP mode only . •N o t e that the formula is actually stored in memor y w ...

  • Casio fx-85W - page 26

    E-24 •Y ou can use the f ollowing logical oper ators betw een values in Base- n calculations: and (logical product), or (logical sum), xor (exclusive logical sum), xnor (e xclu- sive logical sum negation), Not (negation), and Neg (min us). • The following are the allowab le r anges for each of the av ailab le n umber systems. Binary 1000000000 ...

  • Casio fx-85W - page 27

    E-25 Degrees, Minutes, Seconds Calculations •Y ou can perf or m se xagesimal calculations using deg rees (hours), min utes , and seconds, and convert betw een sexagesimal and decimal values . • Example 1: To con ver t the decimal value 2.258 to a sexagesimal v alue 2.258 = 2.258 A O 2 ° 15 ° 28.8 • Example 2: To perf or m the following calc ...

  • Casio fx-85W - page 28

    E-26 < fx-85W/ fx-85W A / fx-300W > If the above steps do not correct the prob lem, press the 5 ke y. The calculator perfor ms a self-chec k oper ation and deletes all data stored in memory if any abnormality is detected. Make sure y ou alwa ys k eep wr itten copies of all impor tant data. k Error Messa g es The calculator is lock ed up while ...

  • Casio fx-85W - page 29

    E-27 Arg ERR OR •C ause •I mproper use of argument •A c tion •P ress e or r to display the location of the cause of the error and mak e required corrections. k Order of Operations Calculations are performed in the follo wing order of prec- edence. 1 Coordinate transf or mation: P ol ( x , y ), Rec ( r , θ ) 2 T ype A functions: With these ...

  • Casio fx-85W - page 30

    E-28 k Po wer Supply The type of batter y you should use depends on the model num ber of y our calculator . < fx-85W/ fx-85W A / fx-300W> The TW O WA Y PO WER system actually has two po wer supplies: a solar cell and a G13 T ype (LR44) button bat- ter y . Nor mally , calculators equipped with a solar cell alone can operate only when relativ e ...

  • Casio fx-85W - page 31

    E-29 < fx-350TL> This calculator is powered b y single G13 T ype (LR44) b ut- ton batter y . •R eplacing the Batter y Dim figures on the display of the calculator indicate that batter y power is low . Contin ued use of the calculator when the batter y is low can result in improper operation. Replace the batter y as soon as possible when dis ...

  • Casio fx-85W - page 32

    E-30 k Input Ranges Internal digits: 12 Accuracy: As a rule, accur acy is ± 1 at the 10th digit. Functions Input Range sin x DEG 0   x   4.499999999  10 10 RAD 0   x   785398163.3 GRA 0   x   4.499999999  10 10 cos x DEG 0   x   4.500000008  10 10 RAD 0   x   785398164.9 GRA 0 ? ...

  • Casio fx-85W - page 33

    E-31 1 2 n +1 Functions Input Range n P r 0  n  99, r  n ( n , r is an integer) 1  { n !/( n – r )!}  9.999999999  10 99 n C r 0  n  99, r  n ( n , r is an integer) Pol( x , y )  x  ,  y   9.999999999  10 49 ( x 2 + y 2 )  9.999999999  10 99 Rec( r ,  ) 0  r  9.999999999  10 99 θ : S ...

  • Casio fx-85W - page 34

    E-32 Specifications Po wer Supply: fx-85W/ fx-85W A / fx-300W : Solar cell and a single G13 T ype button bat- ter y (LR44) fx-350TL: Single G13 T ype button battery (LR44) Batter y Lif e: fx-85W/ fx-85W A / fx-300W : Approximately 3 y ears (1 hour use per day). fx-350TL: Approximately 12,000 hours continuous dis- play of flashing cursor. Approximat ...

  • Casio fx-85W - page 35

    CASIO ELECTRONICS CO., LTD. Unit 6, 1000 North Circular Road, London NW2 7JD, U.K. ...

  • Casio fx-85W - page 36

    SA9810-B Printed in China Imprimé en Chine HA310667-1 U.S. Pat. 4,410.956 CASIO COMPUTER CO. , L TD . 6-2, Hon-machi 1-chome Shibuya-ku, Tokyo 151-8543, Japan ...

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All of them are important, but the most important information from the point of view of use of the device are in the user manual Casio fx-85W.

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A complete manual for the device Casio fx-85W, how should it look like?
A manual, also referred to as a user manual, or simply "instructions" is a technical document designed to assist in the use Casio fx-85W by users. Manuals are usually written by a technical writer, but in a language understandable to all users of Casio fx-85W.

A complete Casio manual, should contain several basic components. Some of them are less important, such as: cover / title page or copyright page. However, the remaining part should provide us with information that is important from the point of view of the user.

1. Preface and tips on how to use the manual Casio fx-85W - At the beginning of each manual we should find clues about how to use the guidelines. It should include information about the location of the Contents of the Casio fx-85W, FAQ or common problems, i.e. places that are most often searched by users in each manual
2. Contents - index of all tips concerning the Casio fx-85W, that we can find in the current document
3. Tips how to use the basic functions of the device Casio fx-85W - which should help us in our first steps of using Casio fx-85W
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with Casio fx-85W
5. FAQ - Frequently Asked Questions
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