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Casio fx-570AR X User Manual

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fx-570AR X
fx-991AR X
User
CASIO Worldwide Education Website
http://edu.casio.com
Manuals are available in multi languages at
http://world.casio.com/manual/calc
Be sure to keep all user documentation handy for future reference.
'
s Guide
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  Summary of Contents for Casio fx-570AR X

  • Page 1 X fx-991AR X ’ User s Guide CASIO Worldwide Education Website http://edu.casio.com Manuals are available in multi languages at http://world.casio.com/manual/calc Be sure to keep all user documentation handy for future reference.
  • Page 2: Table Of Contents

    ■■ Frequently Asked Questions ■■............40 Reference Sheet..................42 • In no event shall CASIO Computer Co., Ltd. be liable to anyone for special, collateral, incidental, or consequential damages in connection with or arising out of the purchase or use of this product and items that come with it.
  • Page 3: About This Manual

    About this Manual • Unless specifically stated, all sample operations in this manual assume that the calculator is in its initial default setup. Use the procedure under “Initializing the Calculator” to return the calculator to its initial default setup. • The contents of this manual are subject to change without notice. •...
  • Page 4: Getting Started

    Getting Started Before using the calculator, slide its hard case downwards to remove it, and then affix the hard case to the back of the calculator as shown in the illustration nearby. Turning Power On and Off Press  to turn on the calculator. Press (OFF) to turn off the calculator.
  • Page 5: Calculation Mode

    • The table below describes some of the typical indicators that appear at the top of the screen. The keypad has been shifted by pressing the  key. The  keypad will unshift and this indicator will disappear when you press a key.
  • Page 6: Input And Output Formats

    1. Press  to display the Main Menu. 2. Use the cursor keys to move the highlighting to the icon you want. For this: Select this icon: General calculations (Calculate) Complex number calculations (Complex) Calculations involving specific number systems (binary, octal, decimal, (Base-N) hexadecimal) Matrix calculations...
  • Page 7: Configuring The Calculator Setup

    (LineI/LineO) Input: Linear* ; Output: Decimal or fraction Input: Linear* ; Output: Converted to (LineI/DecimalO) decimal value *1 Decimal output is applied when these formats cannot be output for some reason. *2 All calculations, including fractions and functions are input in a single line.
  • Page 8 Example: 1007(≈)* 14.286 (Fix 3)   Sci: The value you specify (from 0 to 9) controls the number of significant digits for displayed calculation results. Calculation results are rounded off to the specified digit before being displayed. Example: 17(≈)* 1.4286 ×...
  • Page 9: Inputting Expressions And Values

    QR Code Specifies the version of the QR Code displayed when (QR) is pressed.   Version 3: Indicates QR Code Version 3. ◆ Version 11 : Indicates QR Code Version 11. To initialize calculator settings (except the Contrast setting) (RESET)(Setup Data)(Yes) Inputting Expressions and Values Basic Input Rules...
  • Page 10 Metric conversion commands (cmin, etc.), Statistics Mode estimated values (��, ��, �� , �� Multiplication where the multiplication sign is omitted Permutation (nPr), combination (nCr), complex number polar coordinate symbol (∠) Dot product (•) 10 Multiplication (×), division (÷) 11 Addition (+), subtraction (−) 12 and (logical operator) 13 or, xor, xnor (logical operators) Note: When squaring a negative value (such as -2), the value being...
  • Page 11: Toggling Calculation Results

    • Nesting of functions and parentheses is allowed. Further input will become impossible if you nest too many functions and/or parentheses. To undo operations (MathI/MathO or MathI/DecimalO only): To undo the last key operation, press (UNDO). To redo a key operation you have just undone, press (UNDO) again.
  • Page 12: Basic Calculations

    Basic Calculations Fraction Calculations Note that the input method for fractions depends on the current Input/ Output setting on the setup menu. 23() (MathI/MathO) 112 23112 136 (LineI/LineO) Note • Mixing fractions and decimal values in a calculation while something other than MathI/MathO is selected will cause the result to be displayed as a decimal value.
  • Page 13: Using Engineering Symbols

    Note: The calculation result shown above is what appears when Off is selected for the Engineer Symbol setting on the setup menu. Using Engineering Symbols Your calculator supports the use of 11 engineering symbols (m, μ, n, p, f, k, M, G, T, P, E) that you can use for input of value or for calculation result display.
  • Page 14: Using Memory Functions

    Replay While a calculation result is on the display, you can press  or  to edit the expression you used for the previous calculation. 4 × 3 + 2 = 14 432 (Continuing) 7 4 × 3 − 7 = 5 Using Memory Functions Answer Memory (Ans) The last calculation result obtained is stored in Ans (answer) memory.
  • Page 15: Function Calculations

    To subtract the result of 10 + 5 from M (Continuing) 105(M−) To recall the contents of M (Continuing) (RECALL)(M) Note: Variable M is used for independent memory. You also can call M and use it in a calculation you are inputting. Clearing the Contents of All Memories Ans memory, independent memory, and variable contents are retained even if you press , change the calculation mode, or turn off the calculator.
  • Page 16 4.49980967 90 ln 90 (= log 90) = 4.49980967 ,   , , , , x : Powers, power roots, and reciprocals. 1122 (1 + 1) = 16 15625 5(x = 15625 ) () 532 (MathI/MathO) (LineI/LineO) 5() 32 2 ×...
  • Page 17 (MathI/MathO) (π)2 (Continued following (1)) (LineI/LineO) (,)(π)2 (Continued following (1)) ∑ �� + 1 = 20 �� = 1 ()(x)115 (MathI/MathO) ()(x)1 (LineI/LineO) (,) 1(,) 5 Pol, Rec: Pol converts rectangular coordinates to polar coordinates, while Rec converts polar coordinates to rectangular coordinates. •...
  • Page 18: Qr Code Function

    Internet. • Reading a QR Code displayed by this calculator with a smart device will cause the smart device to access the CASIO website. Note: A QR Code can be displayed by pressing (QR) while the setup screen, a menu screen, an error screen, a calculation result screen in any calculation mode, or a table screen is displayed.
  • Page 19: Complex Number Calculations

    “Not Supported (Version3)” will appear. However, the QR Code produced by this setting is easier to read with a smart device. • For more information, visit the CASIO website (wes.casio.com). To exit the QR Code display: Press  or (QR).
  • Page 20: Using Calc

    Using CALC CALC lets you input calculation expressions that include one or more variable, assign values to the variables, and calculate the result. CALC can be used in the Calculate Mode and Complex Mode. You can use CALC to save the types of expressions below. •...
  • Page 21: Statistical Calculations

    • The closer the (Left Side) − (Right Side) result is to zero, the higher the accuracy of the solution. Important • SOLVE performs convergence a preset number of times. If it cannot find a solution, it displays a confirmation screen that shows “Continue:[=]”, asking if you want to continue.
  • Page 22 Note • Use the Freq (frequency) column to input the quantity (frequency) of identical data items. Display of the Freq column can be turned on (displayed) or off (not displayed) using the Statistics setting on the setup menu. • Pressing the  key while the Statistics Editor is on the screen will display a statistical calculation screen for performing calculations based on the input data.
  • Page 23 Summation: Σx*, Σx *, Σy, Σy , Σxy, Σx , Σx y, Σx (Summation)  to  Number of Items: n* / Mean: �� − *, �� − / Population Variance: σ *, σ Population Standard Deviation: σ *, σ / Sample Variance: s *, s Sample Standard Deviation: s...
  • Page 24: Base-N Calculations

    Ex 4: To determine the estimate value for y when x = 160 in the regression formula produced by logarithmic regression of the data in Ex 3. Specify Fix 3 for the result. (Perform the following operation after completing the operations in Ex 3.) 8106.898 160(Regression)(��)...
  • Page 25: Equation Calculations

    00000000000 ≦ x ≦ 17777777777 Positive: Octal 20000000000 ≦ x ≦ 37777777777 Negative: -2147483648 ≦ x ≦ 2147483647 Decimal 00000000 ≦ x ≦ 7FFFFFFF Positive: Hexadecimal 80000000 ≦ x ≦ FFFFFFFF Negative: Specifying the Number Mode of a Particular Input Value You can input a special command immediately following a value to specify the number mode of that value.
  • Page 26 Press (Simul Equation), and then Simultaneous linear equations use a number key ( to ) to with two, three, or four unknowns specify the number of unknowns. Press (Polynomial), and then use Quadratic equations, cubic a number key ( to ) to specify equations, or quartic equations the polynomial degree.
  • Page 27: Matrix Calculations

    Matrix Calculations Use the Matrix Mode to perform calculations involving matrices of up to 4 rows by 4 columns. To perform a matrix calculation, use the special matrix variables (MatA, MatB, MatC, MatD) as shown in the example below. 2 -1 ×...
  • Page 28: Creating A Number Table

    • This will display the Matrix Editor with the contents of the copy destination. Matrix Calculation Examples 1 0 -1 The following examples use MatA = , MatB = 0 -1 1 To obtain the determinant of MatA (Det(MatA)) (Determinant) MatA  To create a 2 ×...
  • Page 29: Vector Calculations

    110.5 6. Press  to generate the number table. • Press  to return to the screen in step 3. • In the number table shown in step 6, you can change the value in the currently highlighted x cell. Changing the x value causes the f(x) and g(x) values in the same line to be updated accordingly.
  • Page 30 Vector Answer Memory Whenever the result of a calculation executed in the Vector Mode is a vector, the VctAns screen will appear with the result. The result also will be assigned to a variable named “VctAns”. The VctAns variable can be used in calculations as described below. •...
  • Page 31: Inequality Calculations

    Inequality Calculations You can use the procedure below to solve a 2nd, 3rd, or 4th degree inequality. 1. Press , select the Inequality Mode icon, and then press . 2. On the dialog box that appears, use a number key ( to ) to specify the degree of the inequality.
  • Page 32: Using Spreadsheet

    • To solve 3 : 8 = X : 12 for X, for example, press  in step 1, and then input the following for the coefficients (A = 3, B = 8, D = 12): 3812. • Pressing  will reset all of the coefficients to one. 4.
  • Page 33 3. Move the cell cursor to cell B1, and then perform the key operation below. (=)(A)7 Note: You can specify whether a formula in the edit box should be displayed as it is or as its calculation result value. To edit existing cell data 1.
  • Page 34 To cut and paste spreadsheet data 1. Move the cursor to the cell whose data you want to cut and then press (Cut & Paste). • This enters paste standby. To cancel paste standby, press . 2. Move the cursor to the cell into which you want to paste the data you just cut, and then press .
  • Page 35 (=)(Sum) (A)(:)(A) 3. Press . Batch Inputting the Same Formula or Constant into Multiple Cells You can use the procedures in this section to input the same formula or constant into a specific series of cells. Use the Fill Formula command to batch input a formula, or Fill Value to batch input a constant.
  • Page 36: Scientific Constants

    5. To apply the input, press . • This inputs the values of each calculation result into cells C1, C2, and C3. Recalculation Auto Calc is a setup item. Depending on the content of the spreadsheet, auto recalculation can take a long time to complete. When Auto Calc is disabled (Off), you need to execute recalculation manually as required.
  • Page 37: Errors

    Errors The calculator will display an error message whenever an error occurs for any reason during a calculation. While an error message is displayed, press  or  to return to the calculation screen. The cursor will be positioned at the location where the error occurred, ready for input. To clear the error message: While an error message is displayed, press ...
  • Page 38: Before Assuming Malfunction Of The Calculator

    • An attempt to generate a number table in the Table Mode whose conditions cause it to exceed the maximum number of allowable rows. • During batch input in the Spreadsheet Mode, input for Range is outside the allowable range or is a cell name that does not exist. →...
  • Page 39: Technical Information

    (+) and minus (−) ends facing correctly. 3. Replace the cover. fx-570AR X fx-991AR X 4. Initialize the calculator: (RESET)(Initialize All)(Yes). • Do not skip the above step! Technical Information...
  • Page 40 0 ≦ |x| ≦ 4.999999999 × 10 sinh 1 ≦ x ≦ 4.999999999 × 10 cosh 0 ≦ |x| ≦ 9.999999999 × 10 tanhx 0 ≦ |x| ≦ 9.999999999 × 10 tanh 0 < x ≦ 9.999999999 × 10 logx, lnx ≦...
  • Page 41: Frequently Asked Questions

    Power Consumption: 0.0006 W (fx-570AR X) Operating Temperature: 0°C to 40°C Dimensions: fx-570AR X: 13.8 (H) × 77 (W) × 165.5 (D) mm fx-991AR X: 11.1 (H) × 77 (W) × 165.5 (D) mm Approximate Weight: fx-570AR X: 100 g including the battery fx-991AR X: 90 g including the battery ■■...
  • Page 42 When I execute a function calculation, why do I get a calculation result that is completely different from older CASIO calculator models? → With a Natural Textbook Display model, the argument of a function that uses parentheses must be followed by a closing parenthesis. Failing to press ...
  • Page 43: Reference Sheet

    Reference Sheet Scientific Constants   (CONST) (Universal) : c : h : : ε : μ : Z : l : t : G (Electromagnetic) : μ : μ : e : : G : K Φ : R (Atomic&Nuclear) : m : m...
  • Page 44 CASIO COMPUTER CO., LTD. 6-2, Hon-machi 1-chome Shibuya-ku, Tokyo 151-8543, Japan Responsible within the European Union: Casio Europe GmbH Casio-Platz 1 22848 Norderstedt, Germany www.casio-europe.com This mark applies in EU countries only. SA1502-A Printed in China © 2015 CASIO COMPUTER CO., LTD.

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