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http://world.casio.com/edu/ RCA502136-001V01 E fx-82ES fx-83ES fx-85ES fx-300ES fx-350ES User's Guide A.
CASIO Europe GmbH Bornbarch 10, 22848 Norderstedt, Germany.
E-1 About this Manual • The MA TH mark indicates an example that uses Math f ormat, while the LINE mark indicates Linear format. For details about input/output f or mats, see “Specifying the Input/Output F ormat”. •K e ycap mar kings indicate what a ke y inputs or what function it performs.
E-2 The cursor key is mark ed with four arro ws, indicating direction, as shown in the illustration nearby . In this User’s Guide, cursor ke y operation is indicated as f , c , d , and e .
E-3 Safety Precautions Be sure to read the f ollowing safety precautions bef ore using this calculator . K eep this manual handy for later ref erence. Caution This symbol is used to indicate inf or mation that can result in personal injury or mater ial damage if ignored.
E-4 Handling Precautions •B e sure to press the O ke y before using the calculator f or the first time. •E ven if the calculator is operating normally , replace the battery at least once every three years (LR44 (GP A76)), two year s (R03 (UM-4)), or one year (LR03 (AM4)).
E-5 Befor e Using the Calculator k Removing the Har d Case Bef ore using the calculator, slide its hard case do wnwards to remov e it, and then affix the hard case to the bac k of the calculator as shown in the illustration below . k T urning P ower On and Off •P ress O to turn on the calculator.
E-6 k About the Display Y our calculator has a 31-dot × 96-dot LCD screen. Example: k Display Indicator s Sample Display: This Means this: indicator: The keypad has been shifted b y pressing the 1 ke y. The ke ypad will unshift and this indicator will disappear when you press a k ey .
E-7 Important! •F or a very complex calculation or some other type of calculation that takes a long time to e xecute, the displa y ma y show only the abov e indicators (without any value) while it perf orms the calculation internally .
E-8 •M ath format causes fractions, irrational n umbers, and other e xpressions to be displa yed as the y are written on paper. •L inear format causes fractions and other expressions to be display ed in a single line.
E-9 Specifying the Fraction Displa y Format To specify this fraction P erf orm this key operation: display format: Mixed 1N c 1 (ab/c) Improper 1N c 2 (d/c) Specifying the Statistical Displa y Format Use the f ollowing procedure to turn display of the frequency (FREQ) column of the ST A T Mode ST A T editor screen on or off .
E-10 Inputting Expr essions and Va l ues k Inputting a Calculation Expression Using Standard Format Y our calculator lets you input calculation e xpressions just as they are written.
E-11 Displa ying a Long Expression The displa y can show up to 14 characters at a time. Inputting the 15th character causes the e xpression to shift to the left. At this time, the ] indicator appears to the left of the e xpression, indicating that it runs off the left side of the screen.
E-12 •W ith Math format, you can only use the insert mode. Pressing 1Y (INS) when the Math f or mat is selected does not switch to the overwrite mode .
E-13 ddd Y s Ov erwrite Mode: c 60) dddd s Inserting Input into a Calculation Alwa ys use the insert mode for this operation. Use d or e to mov e the cursor to the location where you w ant to inser t new input, and then input what you w ant.
E-14 k Inputting with Math Format When inputting with Math format, you can input and displa y fractions and some functions using the same f or mat as they appear in y our te xtbook. Important! •C ertain types of expressions can cause the height of a calculation fo rm ula to be greater than one displa y line.
E-15 e +1 Math Example 2: To input 1 + ' 2 + 3 MA TH 1+ ! 2 Math e +3 Math Example 3: To input (1 + ) 2 × 2 = MA TH (1+ ' 2 c 5 e ) Math w *2= •W hen you press = and obtain a calculation result using Math fo rm at, par t of the expression y ou input can be cut off as shown in the Example 3 screen shot.
E-16 The follo wing e xamples show the other functions that can be used in the abov e procedure, and the required ke y operations to use them. Original Expression: Function Ke y Operation Resulting Expression Fr action ' log(a,b) & Pow er Root 1 6 ( " ) Y ou can also incor porate v alues into the following functions.
E-17 Example 2: sin (60) = (Angle Unit: Deg) MA TH s 60= Math Example 3: sin –1 (0.5) = π (Angle Unit: Rad) MA TH 1 s (sin –1 ) 0.5= Math • The follo wing are the calculations for which ' fo rm (form that includes ' within irrational number display) results can be display ed.
E-18 Example: The underlined areas in the abov e examples indicate what caused decimal f or m to be used. Reasons why the results of the e xamples are displayed in decimal form -V alue outside of the .
E-19 Basic Calculations (COMP) This section e xplains how to perform arithmetic, fraction, percent, and sexagesimal calculations . All calculations in this section are perf ormed in the COMP Mode ( N 1 ). k Arithmetic Calculations Use the + , - , * , and / ke ys to perf or m arithmetic calculations.
E-20 Example: (2 + 3) × (4 – 1) = 15 LINE (2+3)* (4-1= k Fraction Calculations How y ou should input fractions depends on the input/output format that is currently selected. •U nder initial default settings , fractions are display ed as improper fractions.
E-21 Switching between Fraction and Decimal Format • The f or mat of the fraction depends on the currently selected fraction display f ormat setting (improper fraction or mixed fraction).
E-22 Sexa gesimal Calculations •P erforming the following types of se xagesimal calculations produces a se xagesimal result. -A ddition or subtraction of two se xagesimal values -M ultiplication or .
E-23 Using Calculation History Memory and Replay (COMP) Calculation history memor y maintains a record of each calculation e xpression y ou input and e xecute, and its result.
E-24 Using Calculator Memory Memory Name Description An sw er Memo ry Stores the last calculation result obtained. Independent Calculation results can be added to or subtracted Memory from independent memor y . The “M” display indicator indicates data in independent memory .
E-25 Inputting Answer Memory Contents into an Expression Example: To perform the calculations shown below: LINE 123+456= 789- G = k Independent Memory (M) Y ou can add calculation results to or subtract results from independent memory . The “M” appears on the display when independent memory contains a value.
E-26 Calculation Examples Using Independent Memory • If the “M” indicator is on the displa y , perform the procedure under “Clearing Independent Memor y” before perf orming this example.
E-27 Function Calculations This section explains ho w to use the calculator’ s built-in functions. The functions av ailable to you depends on the calculation mode y ou are in. The e xplanations in this section are mainly about the functions that are av ailable in all calculation modes.
E-28 k Con verting an Input V alue to the Calculator’ s Default Angle Unit After inputting a value , press 1G (DRG ' ) to displa y the angle unit specification menu shown belo w . Press the number ke y that corresponds to the angle unit of the input value .
E-29 k Po wer Functions and P ower Root Functions X 2 , X 3 , X –1 , X ^ , ' ' ' ' ' (, 3 ' ' ' ' ' (, ^ ' ' ' ' ' ( Append.
E-30 k Other Functions This section explains ho w to use the functions shown below . !, Abs(, Ran#, n P r , n C r , Rn d( F actorial (!) This function obtains the f actorials of a value that is zero or a positiv e integer .
E-31 Display Digits Setting: F ix or Sci The value is rounded to the specified n umber of digits. Example: 200 ÷ 7 × 14 = 400 LINE 200/7*14= (Specifies three decimal places.) 1N 6 (Fix) 3 FIX (Calculation is perf ormed inter nally using 15 digits.) 200/7= FIX *14= FIX The f ollowing performs the same calculation with rounding.
E-32 Tr a n sfor ming Displayed Va l ues Y ou can use the procedures in this section to transform a displa yed va lue to engineer ing notation, or to transform between standard f orm and decimal f or m. k Using Engineering Notation A simple ke y operation transforms a displa yed value to engineering notation.
E-33 Examples of S-D T ransf ormation Note that S-D transf ormation can take some time to perform. Example: Fr action → Decimal MA TH ' 5 c 6= Math •E ach press of the f key toggles betw een the two forms.
E-34 k Inputting Sample Data Displa ying the ST A T Editor Screen The ST A T editor screen appears after you enter the ST A T Mode from another mode. Use the ST A T menu to select a statistical calculation type. T o display the ST A T editor screen from another ST A T Mode screen, press 1 1 (ST A T) 2 (Data).
E-35 Example: To input the value 123.45 in cell X1 (Mov e the cursor to cell X1.) 123.45 S TAT = S TAT Registering a value causes the cursor to mov e down one cell.
E-36 Inserting a Line (1) On the ST A T editor screen, move the cursor to the line that will be under the line you will insert. (2) Press 1 1 (ST A T) 3 (Edit). (3) Press 1 (Ins). Important! • Note that the inser t operation will not work if the maximum n umber of lines allowed f or the ST A T editor screen are already used.
E-37 ST A T Menu Items Common Items Select this When you want to do this: menu item: 1 T ype Display the statistical calculation type selection screen 2 Data Display the ST A T editor screen 3 Edit Di.
E-38 V ar Sub-menu ( 1 1 (ST A T) 5 (V ar)) Select this When you want to obtain this: menu item: 1 n Number of samples 2 o Mean of the sample data 3 x σ n P opulation standard deviation 4 x σ n –1.
E-39 Sum Sub-menu ( 1 1 (ST A T) 4 (Sum)) Select this When you want to obtain this: menu item: 1 Σ x 2 Sum of squares of the X-data 2 Σ x Sum of the X-data 3 Σ y 2 Sum of squares of the Y -data 4 .
E-40 Appendix Linear Regression Calculation: <#047> to <#050> •E xamples <#048> through <#050> all use the data input in Example <#047>.
E-41 Statistical Calculation Model Equation Calculation T ype Formula Logarithmic Regression y = A + B ln X <#055> (ln X) e Exponential Regression y = Ae BX <#056> ( e ^X) ab Exponential R.
E-42 (1) Press N 3 (T ABLE). (2) Input the function. (3) After making sure the function is the way you want, press = . • This displa ys the star t value input screen. • If the initial value is not 1, press 1 to specify the initial start v alue f or this example .
E-43 •O nly variable X can be used as the v ariable of a function. • The coordinate conv ersion (P ol, Rec) functions cannot be used f or a number table generation function. •N ote that the number table generation operation causes the contents of variable X to be changed.
E-44 T echnical Infor mation k Calculation Priority Sequence The calculator performs calculations according to a calculation priority sequence. • Basically , calculations are performed from left to right. •E xpressions within parentheses have the highest priority .
E-45 k Stack Limitations This calculator uses memory areas called stacks to temporarily store lower calculation priority sequence values, commands , and functions. The num er ic stack has 10 lev els and the command stack has 24 lev els, as shown in the illustration below .
E-46 Functions Input Range tan x DEG Same as sin x , e xcept whe n x = (2 n –1) 90 . RAD Same as sin x , e xcept whe n x = (2 n –1) π / 2 . GRA Same as sin x , e xcept when x = (2 n –1) 100 . sin – 1 x 0 x 1 cos – 1 x tan – 1 x 0 x 9.
E-47 •P recision is basically the same as that described under “Calculation Range and Precision”, above . •^ ( x y ), x ' y , 3 ' , x !, n P r , n C r type functions require consecutive internal calculation, which can cause accumulation of errors that occur with each calculation.
E-48 Insufficient MEM Error • Cause • There is not enough memory to perform your calculation. • Action •N arrow the table calculation range b y changing the Star t, End, and Step values , and try again. k Before assuming malfunction of the calculator .
E-49 Important! •R emoving the b utton batter y from the calculator causes independent memory contents and values assigned to variables to be cleared. 1 Press 1A (OFF) to tur n off the calculator . •T o ensure that you do not accidentally turn on power while replacing the batter y , slide the hard case onto the front of the calculator .
E-50 1 Press 1A (OFF) to tur n off the calculator . 2 On the back of the calculator , remov e the screws and the bac k cover . 3 Remove the old battery . 4 Load a new battery into the calculator with its positive k and negativ e l ends facing correctly .
E-51 Specifications fx-82ES/fx-83ES Po wer Requirements: AAA-size battery: R03 (UM-4) × 1 Battery Life: Appro ximately 6,000 hours (continuous operation) Approximately 17,000 hours (contin uous display of flashing cursor) Po wer Consumption: 0.0002 W Operating T emperature: 0 ° C to 40 ° C Dimensions: 13.
CASIO COMPUTER CO. , L TD . 6-2, Hon-machi 1-chome Shibuya-ku, Tokyo 151-8543, Japan SA0412-C Printed in China.
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