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fx-83GT CW
fx-85GT CW
User's Guide
CASIO Worldwide Education Website
https://edu.casio.com
Manuals are available in multi languages at
https://world.casio.com/manual/calc/
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Summary of Contents for Casio fc-83GT CW

  • Page 1 CW fx-85GT CW User’s Guide CASIO Worldwide Education Website https://edu.casio.com Manuals are available in multi languages at https://world.casio.com/manual/calc/...
  • Page 2: Table Of Contents

    Table of Contents Before Using the Calculator ........... 5 Read This First ..................5 About This Manual ..................5 Key Operations ....................5 Menu Operations ....................6 Key and Key ..................7 Examples ....................... 7 Initializing the Calculator ................. 7 Calculator "Get Started" Screen ............. 7 Precautions .....................
  • Page 3 Pi, Natural Logarithm Base e ..............32 Pi ........................32 Natural Logarithm Base e ................32 Calculation History and Replay .............32 Calculation History ..................32 Replay ......................33 Using Memory Functions ..............33 Answer Memory (Ans) ..................33 Variables (A, B, C, D, E, F, x, y, z) ..............34 Clearing the Contents of All Memories ............36 Changing Calculation Result Format ........
  • Page 4 Hyperbolic Functions ..................51 Trigonometric Functions ................51 Others ....................52 Registering and Using Defining Equations for f(x) and g(x) ....................53 Registering and Using Defining Equations for f(x) and g(x) ....53 Registering a Defining Equation ..............53 Performing a Calculation by Assigning a Value to the Registered Defining Equation .......................
  • Page 5 Calculation Ranges, Number of Digits, and Precision ......100 Calculation Range and Precision ............... 100 Function Calculation Input Ranges and Precision ........101 Specifications ..................103 Frequently Asked Questions ..........105 Frequently Asked Questions ...............105...
  • Page 6: Before Using The Calculator

    Read This First About This Manual • 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 7: Menu Operations

    * Refer to "Key Markings" (page 13) for more information about the key symbols used in this example. Example 3: • Individual cursor keys indicated by (1) are represented as • Individual page scroll keys indicated by (2) are represented as Menu Operations Some operations in this manual use a simplified form of menu operations, as shown in the examples below.
  • Page 8: Key And Key

    Press , select the Calculate app icon, and then press Actual Operation 2 1. Press 2. Use the cursor keys ( ) to select the Calculate app icon, and then press Key and key and key perform the same operation. In this manual, used for selecting or applying a setting, while is used for executing a calculation.
  • Page 9: Precautions

    18). Precautions Safety Precautions Thank you for purchasing this CASIO product. Be sure to read the "Safety Precautions" before using this product to ensure that you use it correctly. Be sure to keep all user documentation handy for future reference.
  • Page 10 Display Screen Do not press the LCD or subject it to strong impact. Doing so can cause the LCD glass to crack, creating the risk of personal injury. Should the LCD become cracked, never touch any of the liquid inside. LCD liquid getting on the skin creates the risk of skin irritation.
  • Page 11: Handling Precautions

    Battery Precautions Observe the precautions below. Failure to do so can cause the battery to explode or leak flammable liquid or gas. • Use only the type of battery that is specified for this product. • Do not burn a battery or dispose of it in an incinerator, or by mechanical crushing or cutting.
  • Page 12 To attach the front cover When you are not using the calculator, remove the front cover (①) and attach it to the front (②).
  • Page 13: Turning Power On And Off

    Important! • Always attach the front cover to the calculator whenever you are not using it. Otherwise, accidental operation of the key can cause the power to turn on and run down the battery. Turning Power On and Off Press to turn on the calculator.
  • Page 14: Home Screen

    HOME Screen Pressing displays the HOME screen. The HOME screen shows a list of installed calculator apps.   HOME Screen   Calculate App Screen                   For information about installed calculator apps, see "Installed Calculator App List" (page 17). Adjusting Display Contrast 1.
  • Page 15: Indicators

    Indicators Indicators The table below describes indicators that appear at the top of the screen. This indicator: Means this: The keypad has been shifted by pressing the key. The keypad will unshift and this indicator will disappear when you press a key. MathI/MathO or MathI/DecimalO is selected for Input/Output on the SETTINGS menu.
  • Page 16 Selecting a Menu Item To select a menu item, use the cursor keys ( ) to highlight it and then press . Note that are used only when there are multiple menu item columns. Navigating Between Menu Hierarchies The " " indicator to the right of a menu item means that there are lower hierarchy levels under that item.
  • Page 17 - The menu item you selected has more settings to configure, a screen for selecting the menu item setting will appear. In this case, proceed to step 2. 2. On the setting screen, highlight the setting you want and then press •...
  • Page 18: Calculator Apps And Menus

    Calculator Apps and Menus Calculator Apps Selecting a Calculator App Select a calculator app that is suitable for the type of calculation you want to perform. 1. Press to display the HOME screen. • For information about each calculator app, see the "Installed Calculator App List"...
  • Page 19: Using The Settings Menu

    Ratio calculations (Ratio) The following functions to support math learning. Dice Roll, Coin Toss: Probability simulation Number Line: Number line graphs for up to three equalities or inequalities (Math Box) Circle: Angles and trigonometric values shown using a Unit Circle or Half Circle figure.
  • Page 20: Changing Calculator Settings

    Note • Pressing while the HOME screen is displayed will display the Get Started screen instead of the SETTINGS menu. • Depending on the screen displayed by the calculator app, pressing may not display the SETTINGS menu. Changing Calculator Settings 1.
  • Page 21 Calc Settings > Input/Output Specifies the format to be used by the calculator for expression input and calculation result output. ◆ Input: Natural Textbook; Output: MathI/MathO Format that includes a fraction, √ , and/or π* Input: Natural Textbook; Output: MathI/DecimalO Converted to decimal value Input: Linear* ;...
  • Page 22 Calc Settings > Angle Unit ◆ Degree ; Radian; Gradian Specifies degree, radian or gradian as the angle unit for value input and calculation result display. Calc Settings > Number Format Specifies the number of digits for display of a calculation result. Fix: The value you specify (from 0 to 9) controls the number of decimal places for displayed calculation results.
  • Page 23 * Pressing ) instead of after inputting a calculation will display the calculation result in decimal form. Calc Settings > Fraction Result ◆ Mixed Fraction; Improp Fraction Specifies either mixed fraction or improper fraction for display of fractions in calculation results. Calc Settings >...
  • Page 24: Using The Catalog Menu

    System Settings > 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. Reset > Settings & Data "To initialize calculator settings" (page 23).
  • Page 25: Using The Tools Menu

    Example: CATALOG menu of the Calculate app Note • For information about how to input commands, functions, and symbols from the CATALOG menu, see "Advanced Calculations" (page 45). • For information about the commands, functions, and symbols specific to each calculator app, refer to the calculator app descriptions in "Using Calculator Apps"...
  • Page 26: Inputting Expressions And Values

    Inputting Expressions and Values Basic Input Rules When you press the priority sequence of the input calculation will be evaluated automatically and the result will appear on the display. 4 × sin 30 × (30 + 10 × 3) = 120 Input of the closing parenthesis is required for sin and other functions that include parentheses.
  • Page 27: Inputting An Expression Using Natural Textbook Format (Mathi/Matho Or Mathi/Decimalo Only)

    Parentheses Auto Complete If you execute a calculation that includes both division and multiplication operations in which a multiplication sign has been omitted, parentheses will be inserted automatically as shown in the examples below. - When a multiplication sign is omitted immediately before an open parenthesis or after a closing parenthesis.
  • Page 28: Undo Operations

    3. Do the same to input the remainder of the expression. Note • While the input cursor is located within the input area of a template (mixed fractions), pressing jumps to the position immediately following (to the right of) the template, while pressing jumps to the position immediately before (to the left of) it.
  • Page 29: Basic Calculations

    Basic Calculations Arithmetic Calculations Use the , and keys to perform arithmetic calculations. Example: 7 × 8 - 4 × 5 = 36 Fraction Calculations Note that the input method for fractions depends on the current Input/ Output setting on the SETTINGS menu. To input (improper fraction) (Input/Output: MathI/MathO or MathI/DecimalO)
  • Page 30 (a) Numerator, (b) Denominator, (c) Integer Part Example: (Input/Output: MathI/MathO) (Input/Output: LineI/LineO) Note • Fractions in calculation results are displayed after being reduced to their lowest terms. To convert a calculation result format to improper fraction or mixed fraction, press .
  • Page 31: Powers, Power Roots, And Reciprocals

    (Input/Output: LineI/LineO) 1234567 Since the total number of digits of the value 1 1 1234567 is 11, the result is displayed as a decimal value. 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 32 Example 4: √32 = 2 (Input/Output: MathI/MathO) (Input/Output: LineI/LineO) ) 32 Example 5: (Input/Output: MathI/MathO) Key (Power of 10) Pressing the key is the same as pressing . Both operations input "×10 " (MathI/MathO or MathI/DecimalO) or "×10^(" (LineI/LineO or LineI/DecimalO).
  • Page 33: Pi, Natural Logarithm Base E

    Example: • 10√2 + 15 × 3√3 = 45√3 + 10√2 ... Displayed in √ form • 99√999 (= 297√111) = 3129.089165 ... Displayed as a decimal value Pi, Natural Logarithm Base e Input π by pressing (π). π is displayed as 3.141592654, but π = 3.1415926535897932384626 is used for internal calculations.
  • Page 34: Replay

    Note • Calculation history data is all cleared whenever you press , when you change the Input/Output setting, or whenever you perform a Reset operation ("Settings & Data" or "Initialize All"). Replay While a calculation result is on the display, you can press edit the expression you used for the previous calculation.
  • Page 35: Variables (A, B, C, D, E, F, X, Y, Z)

    Inputting Ans Memory Contents into an Expression Example: To perform the calculations shown below: (Continuing) 789 Variables (A, B, C, D, E, F, x, y, z) You can store values to variables and use the variables in calculations. Variable List Screen Pressing displays a screen that shows the values currently stored to variables A, B, C, D, E, F, x, y, and z.
  • Page 36 2. Press • This displays the editing screen with 1 entered. 3. Press Note • In place of the operation in step 2 above, you can press and then select [Edit]. This displays the editing screen with nothing input. Input the value you want and then press •...
  • Page 37: Clearing The Contents Of All Memories

    Clearing the Contents of All Memories Ans memory and variable contents are retained even if you press change the calculator app, or turn off the calculator. Perform the procedure below when you want to clear the contents of all memories. 1.
  • Page 38: Changing Calculation Result Format

    Changing Calculation Result Format Using the FORMAT Menu You can use the FORMAT menu that appears when you press convert a displayed calculation result to various formats. FORMAT Menu List This menu item: Converts to this format: Standard (Includes fraction, π, Standard √...
  • Page 39: Conversion Sample Operation

    Conversion Sample Operation Example: 3 ÷ 2 = = 1.5 = 1 In this example, we will convert a calculation result displayed as an improper fraction to a decimal value and then to a mixed fraction. Finally, we will cancel the conversion and go back to the original calculation result. (Input/Output: MathI/MathO, Fraction Result: Improp Fraction) 1.
  • Page 40: Prime Factorization

    You can use the operation below to convert a calculation result to the Standard or Decimal format. Example: π ÷ 6 = π = 0.5235987756 (Input/Output: MathI/MathO) (π) (Select [Decimal].) (Converts to a decimal value.) (Coverts to Standard format.) Important! •...
  • Page 41: Recurring Decimal Conversion (Recurring Decimal Calculations)

    1014 – [Prime Factor] Note • The types of values described below cannot be factored, even if they have 10 or fewer digits. - One of the prime factors of the value is 1,018,081 or greater. - Two or more of the prime factors of the value have more than three digits. •...
  • Page 42: Recurring Decimal Calculation Example

    Important! • If the value starts with an integer part (like: 12.3123123...), do not include the integer part when inputting the period (12.312). • Recurring decimal input is possible only when MathI/MathO or MathI/DecimalO is selected for Input/Output on the SETTINGS menu. Recurring Decimal Calculation Example To calculate 3.021 + 0.312 (Input/Output: MathI/MathO) 1.
  • Page 43: Improper Fraction And Mixed Fraction Conversion

    Improper Fraction and Mixed Fraction Conversion You can convert the currently displayed fraction or decimal value (decimal value that is convertible to a fraction by this calculator) calculation result to a mixed fraction or an improper fraction. Example 1: (Input/Output: MathI/MathO, Fraction Result: Improp Fraction) –...
  • Page 44: Sexagesimal Conversion (Degree, Minute, Second Calculations)

    • Entering the ENG Conversion Mode converts the calculation result to engineering notation and causes to appear to its right. • In the ENG Conversion Mode, you can use to shift the decimal point of the mantissa. 3. To exit the ENG Conversion Mode, press •...
  • Page 45: Inputting And Calculating With A Sexagesimal Value

    – [Sexagesimal] Inputting and Calculating with a Sexagesimal Value In addition to converting a displayed value to a sexagesimal value, you can also input sexagesimal values and use them in calculations. The syntax below is for inputting a sexagesimal value: {degrees} ) {minutes} ) {seconds}...
  • Page 46: Advanced Calculations

    Advanced Calculations This section describes commands, functions, and symbols that are common to all of the calculator apps. The order used here to present commands, functions, and symbols is the same order in which they are displayed on the CATALOG menu that appears when you press Note •...
  • Page 47: Natural Logarithm

    Example 3: 16 = 4 Natural Logarithm (ln) or – [Func Analysis] > [Natural Logarithm] to input "ln". Example: ln 90 (= log 90) = 4.49980967 (ln)90 Probability This section explains commands and functions that you can input after performing the operation: –...
  • Page 48: Factorial(!)

    Factorial(!) This function obtains the factorials of a value that is zero or a positive integer. Example: (5 + 3)! = 40320 – [Probability] > [Factorial(!)] Permutation(P), Combination(C) Permutation (nPr) and combination (nCr) functions. Example: To determine the number of permutations and combinations possible when selecting four people from a group of 10 Permutations: –...
  • Page 49: Numeric Calculations

    Example: To generate random integers in the range of 1 to 6 – [Probability] > [Random Integer] (,)6 (The result differs with each execution.) Numeric Calculations This section explains commands and functions that you can input after performing the operation: –...
  • Page 50: Recurring Decimal

    Recurring Decimal You can use ( ) or the menu item below to input a recurring decimal. – [Numeric Calc] > [Recurring Decimal] For details, see "Recurring Decimal Conversion (Recurring Decimal Calculations)" (page 40). Round Off Using the Round Off function (Rnd) causes decimal fraction values of the argument to be rounded in accordance with the current Number Format setting.
  • Page 51: Rect To Polar, Polar To Rect

    (π) – [Angle/Coord/Sexa] > [Radians] Rect to Polar, Polar to Rect "Pol(" converts rectangular coordinates to polar coordinates, while "Rec(" converts polar coordinates to rectangular coordinates. • Specify the Angle Unit on the SETTINGS menu before performing calculations. • The calculation result for r and θ and for x and y are each stored respectively to variables x and y.
  • Page 52: Hyperbolic, Trigonometric

    – [Angle/Coord/Sexa] > [Degs Mins Secs] For details, see "Sexagesimal Conversion (Degree, Minute, Second Calculations)" (page 43). Hyperbolic, Trigonometric This section explains hyperbolic and trigonometric functions. Hyperbolic Functions Hyperbolic functions can be input using the menu items below. – [Hyperbolic/Trig] > [sinh], [cosh], [tanh], [sinh ], [cosh ], or [tanh The angle unit setting does not affect calculations.
  • Page 53: Others

    Others Functions and symbols that can be input with the calculator keys can also be input using the [Other] menu. Use – [Other] to display the function and symbol menu. For example, to input Ans, you could either press perform the following operation: –...
  • Page 54: Registering And Using Defining Equations For F(X) And G(X)

    Registering and Using Defining Equations for f(x) and g(x) Registering and Using Defining Equations for f(x) and g(x) Your calculator includes "f(" and "g(" functions that you can use after registering defining equations for them. For example, after registering f(x) + 1 as a defining equation for the "f("...
  • Page 55: Performing A Calculation By Assigning A Value To The Registered Defining Equation

    Performing a Calculation by Assigning a Value to the Registered Defining Equation Example 2: To assign the value x = 3 to f(x), which you registered in Example 1 (Continuing from Example 1) 1. Press , and then select [f(x)]. •...
  • Page 56: Data Retention

    have g(x) input into f(x), and f(x) input into g(x) at the same time. If you do, a Circular ERROR will occur when you perform a calculation using f(x) or g(x). Data Retention Performing any one of the operations below causes the defining equations registered to f(x) and g(x) to be deleted.
  • Page 57: Using Qr Code Functions

    Code reader that can read multiple QR Code symbols, and it can connect to the Internet. • Scanning a QR Code displayed by this calculator with a smart device will cause the smart device to access the CASIO website. Note • QR Code appears on the display whenever you press (QR) while any one of the screens below is displayed.
  • Page 58: If You Experience Difficulty Scanning A Qr Code

    QR Code display, the message "Not Supported (Version 3)" will appear. However, the QR Code produced by this setting is easier to scan with a smart device. • For more information, visit the CASIO website (https://wes.casio.com).
  • Page 59: Using Calculator Apps

    Using Calculator Apps Statistical Calculations The Statistics app calculates various statistical values based on single- variable (x) or paired-variable (x, y) data. General Procedure for Performing a Statistical Calculation 1. Press , select the Statistics app icon, and then press 2.
  • Page 60: Inputting Data With Statistics Editor

    Paired-variable 5. Select the menu item for the operation you want to perform. • Select [1-Var Results], [2-Var Results], or [Reg Results] to see a list of calculation results based on the data you entered. For details, see "Displaying Statistical Calculation Results" (page 62).
  • Page 61 Single-variable Paired-variable To hide the Freq column 1. While the Statistics Editor is displayed, press and then select [Frequency] > [Off]. 2. Press to return to the Statistics Editor. To display the Freq column 1. While the Statistics Editor is displayed, press and then select [Frequency] >...
  • Page 62 3. Use the operation below to input data. Note • On the Statistics Editor, you can store the value in a cell to a variable. For example, performing the following operation while the screen in step 3 is displayed above will store 68 to variable A: –...
  • Page 63: Displaying Statistical Calculation Results

    Example 2: To sort the data input in Example 1 (page 60) in ascending order on the x column, and then in descending order on the y column 1. Use the procedure in Example 1 to input the data. 2. Sort the data in ascending order on the x column. –...
  • Page 64 5. Press 6. Select [1-Var Results], and then press • This displays the 1-Var Results screen. • For the meanings of the variables shown on the 1-Var Results screen, see the "List of Statistical Value Variables and Statistical Calculation Functions" (page 69).
  • Page 65 • Press to return to the Statistics Editor. 4. Input data into the x-column. 5. Input data into the y-column. 6. Press 7. Select [2-Var Results], and then press • This displays the 2-Var Results screen. • For the meanings of the variables shown on the 2-Var Results screen, see the "List of Statistical Value Variables and Statistical Calculation Functions"...
  • Page 66 section describes the operation required to display the Reg Results screen. Example 5: To use the paired-variable data input in Example 4 (page 63) and display the results of the two regression calculations shown below • The regression equation "y = a + bx" coefficients (a, b), and the correlation coefficient (r) when linear regression is performed on the data •...
  • Page 67: Using Statistical Calculation Screen

    Supported Regression Type List Regression Equation Regression Type (regression type menu item) Linear Regression y = a + bx Quadratic Regression y = a + bx + cx Logarithmic Regression y = a + b・ln(x) e exponential Regression y = a・e^(bx) ab exponential Regression y = a・b^x Power Regression...
  • Page 68 Displaying a Statistical Calculation Screen Single-variable 1. While the Statistics Editor is displayed, press 2. On the menu that appears, select [Statistics Calc] and then press Paired-variable 1. While the Statistics Editor is displayed, press 2. On the menu that appears, select [Statistics Calc] and then press •...
  • Page 69 – [Statistics] > [Summation] > [Σx] 4. Calculate the mean (x). – [Statistics] > [Mean/Var/Dev ... ] > [x] Note • To display the 1-Var Results screen from the statistical calculation screen above, press and then select [1-Var Results]. To return to the statistical calculation screen from the 1-Var Results screen, press Example 7: To determine the coefficients (a, b) and correlation coefficient...
  • Page 70 – [Statistics] > [Regression] > [r] • To select a different regression type, press and then select [Select Reg Type]. This displays the regression type menu from step 2. To display the 2-Var Results screen from a statistical calculation screen Press and then select [2-Var Results].
  • Page 71 min(x)* ..minimum value * ..first quartile Med* ..median * ..third quartile max(x)* ..maximum value – [Statistics] > [Min/Max] (Paired-Variable Data Only) min(x), min(y) ..minimum value max(x), max(y) ..maximum value – [Statistics] > [Regression] (Paired-Variable Data Only) For quadratic regression a, b, c ..
  • Page 72: Statistical Calculation Formula

    1. Perform steps 1 through 6 of the procedure under Example 4 (page 63). 2. Select [Statistics Calc], and then press • This displays the regression type menu. 3. Select [y=a+bx], and then press 4. Input the x-value (5.5), and then input "y ˆ ", which is the function to determine the estimated value of y.
  • Page 73 Regression Calculation Formula Linear Regression (y = a + bx) Quadratic Regression (y = a + bx + cx Logarithmic Regression (y = a + b・ln(x))
  • Page 74 e Exponential Regression (y = a・e^(bx)) ab Exponential Regression (y = a・b^x) Power Regression (y = a・x^b) Inverse Regression (y = a + b/x)
  • Page 75: Creating A Number Table

    Creating a Number Table You can use the Table app to create a number table based on the defining equations registered for functions f(x) and g(x). General Procedure for Creating a Number Table Example : To generate a number table for the function f(x) = x the range -1 ≤...
  • Page 76: Maximum Number Of Rows In A Number Table According To Table Type

    (Screen immediately before you pressed • You can also use to register a defining expression. For more information, see "Defining Equation Registration" (page 76). 4. Configure the number table range setting. – [Table Range] ((-))1 5. Press • This displays the result in the number table screen. •...
  • Page 77: Defining Equation Registration

    Defining Equation Registration There are two ways to register defining equations for f(x) and g(x). • While the Table app number table screen is displayed, registering an equation by pressing – [Define f(x)/g(x)] > [Define f(x)] – [Define f(x)/g(x)] > [Define g(x)] •...
  • Page 78: F(X) And G(X) Update Timing

    To enter a value into the highlighted x-column cell using: {value of the cell above} +/- {step value} If there is value in the x cell above the currently highlighted x cell, pressing automatically inputs into the highlighted cell the value equal to the value of the cell above it plus the step value.
  • Page 79: Ratio Calculations

    ① ② ③ ④ Operation Data, Setting Number table data (x-, f(x)-, g(x)-columns) Discarded Discarded Discarded Discarded Table Range settings Discarded Retained Retained Retained Table Type settings Retained Retained Retained f(x), g(x) defining Retained Discarded Discarded Retained equations Ratio Calculations The Ratio app lets you determine the value of X in the ratio expression A : B = X : D (or A : B = C : X) when the values of A, B, C and D are known.
  • Page 80: Calculation Example

    • You can store the currently displayed calculation result to a variable. For example, performing the following operation while the screen in step 4 is displayed above will store the calculation result to variable A: – [A=] > [Store]. For details about variables, see "Variables (A, B, C, D, E, F, x, y, z)"...
  • Page 81 Relative Freq screen Dice Roll General Operation Procedure Example: To simulate 100 rolls of two dice. For this example, the Relative Freq screen is used for simulation results, showing the number of occurrences (frequencies) and relative frequencies of the numeric difference (0, 1, 2, 3, 4, 5) between the two dice each roll.
  • Page 82 List: Shows a list of the outcome of each roll (trial).* Relative Freq: Shows the number of occurrences based on roll results* and their relative frequencies. When there are two dice, the outcome of each roll is displayed along with each roll’s sum and difference. When there are three dice, the outcome of each roll is displayed along with the sum of the roll.
  • Page 83 the value in the first row of the "Rel Fr" column to variable A: – [A=] > [Store]. For details about variables, see "Variables (A, B, C, D, E, F, x, y, z)" (page 34). Dice Roll Result Screen • List screen (1) Each row shows a sequential roll number.
  • Page 84: Coin Toss

    Same Result Setting When executing a Dice Roll or Coin Toss simulation with Same Result at its initial default setting (Off), each execution displays a different (random) result. If the Same Result setting is changed to something other than Off, the displayed results are those determined by the calculator.
  • Page 85 2. Select [Coin Toss], and then press • This displays the parameter input screen. Coins: Select the number of coins as 1, 2, or 3. Attempts: Input the number of coin tosses (number of trials) as a value from 1 to 250. Same Result: This setting is normally Off (initial default setting).
  • Page 86 (The result differs with each execution.) • For details about the simulation result screen, see "Coin Toss Result Screen" (page 85). 6. To display results using a different format, display the result screen and then press • This returns to the Result Type menu, so you can repeat step 5 of this procedure and change the result display format.
  • Page 87: Number Line

    (1) Side: When using only one coin, " " indicates heads while " " indicates tails. When using two or three coins, this column shows the number of heads (0 to 3). (2) Freq: Shows the number of occurrences (frequency) of each toss outcome.
  • Page 88 3. Perform the steps below to register x≤-1.5 in Line A. (1) Select [A:], and then press (2) On the expression type list that appears, select [x≤a] and then press (3) Input -1.5 for a. ((-))1 (4) After making sure that [Confirm] is selected, press 4.
  • Page 89 ← Indicates continuation of a range smaller than a in the inequality x<a, or a range less than or equal to a in x≤a. → Indicates continuation of a range greater than a in the inequality x>a or a range greater than or equal to a in x≥a. Indicates that this value itself (in the case of an equation) or inclusion of this value (in the case of an inequality).
  • Page 90 4. Input -1.5 for a. ((-))1 5. After making sure that [Confirm] is selected, press To delete a registered expression On the expression registration screen, select the registered expression you want to delete, and then press Changing the Display Range of the Number Line Graph Screen (View-Window) When you register an expression and display the number line graph screen, optimal display range settings are configured automatically.
  • Page 91: Circle

    Note • The maximum and minimum values for the x-axis depend on the Center and Scale settings, as shown below. Maximum value: (Center Value) + (Scale Value) × 8 Minimum Value: (Center Value) - (Scale Value) × 8 • After changing the View-Window settings, you can restore the Center and Scale settings to their automatically configured display range settings by performing the operation: –...
  • Page 92 Clock Circle General Operation Procedure 1. Press , select the Math Box app icon, and then press • This displays the Math Box menu. 2. Configure the Angle Unit setting as required. • You can select any one of the following units for angle value input: Degree, Radian, Gradian.
  • Page 93 • For the allowable input range for angle values, see the "Note" below. 6. After making sure that [Execute] is selected, press • This displays the graphic screen. • Refer to the sections below for information about how to view the graphic screen and perform its operations.
  • Page 94 Half Circle (1) Lines forming angles [θ1] and [θ2]. The currently selected line is thicker than the other line. You can change the selection between θ1 and θ2 by pressing (2) Angle value of the currently selected line’s angle (θ1 or θ2). (3) Trigonometric function values of the currently selected line’s angle (θ1 or θ2).
  • Page 95 Note • Angle values are displayed in accordance with the settings of Input/Output and Angle Unit. • If Radian is selected for Angle Unit and MathI/MathO is selected for Input/Output, the angle value will be displayed in π format.
  • Page 96: Technical Information

    Technical Information Errors The calculator will display an error message whenever an error occurs for any reason during a calculation. Displaying the Location of an Error While an error message is displayed, pressing , or returns to the screen that was displayed immediately before the error message appeared.
  • Page 97 • Your input exceeds the allowable input range (particularly when using functions). • The calculation you are performing contains an illegal mathematical operation (such as division by zero). Action: • Check the input values, reduce the number of digits, and try again. •...
  • Page 98: Before Assuming Malfunction Of The Calculator

    Action: • For Attempts, input an integer value that is within the allowable range. • On the expression registration screen, input a value that is within the allowable range. In the case of an invalid maximum-minimum relationship for an entered inequality, edit the inequality to correct the maximum-minimum relationship.
  • Page 99: Replacing The Battery

    4. Return the calculator settings (except for Contrast and Auto Power Off) to their initial default settings by performing the procedure below. (1) Press , select a calculator app icon, and then press (2) Press , and then select [Reset] > [Settings & Data] > [Yes]. Replacing the Battery If the screen shown below appears right after you turn on power, it means that remaining battery power is low.
  • Page 100: Calculation Priority Sequence

    3. Replace the battery cover. 4. Press to turn on the calculator. 5. Initialize the calculator. (1) Press , select a calculator app icon, and then press (2) Press , and then select [Reset] > [Initialize All] > [Yes]. • Do not skip the above steps! Calculation Priority Sequence The calculator performs calculations according to a calculation priority sequence.
  • Page 101: Calculation Ranges, Number Of Digits, And Precision

    Multiplication where the multiplication sign is omitted Permutation (nPr), combination (nCr) Multiplication (×), division (÷) Addition (+), subtraction (−) If a calculation contains a negative value, you may need to enclose the negative value in parentheses. If you want to square the value -2, for example, you need to input: (-2) .
  • Page 102: Function Calculation Input Ranges And Precision

    Function Calculation Input Ranges and Precision Functions Input Range Degree 0 ≤ |x| < 9 × 10 sinx Radian 0 ≤ |x| < 157079632.7 cosx Gradian 0 ≤ |x| < 1 × 10 Same as sinx, except when Degree |x| = (2n - 1) × 90. Same as sinx, except when tanx Radian...
  • Page 103 0 ≤ n < 1 × 10 , 0 ≤ r ≤ n (n, r are integers) 1 ≤ {n!/(n - r)!} < 1 × 10 0 ≤ n < 1 × 10 , 0 ≤ r ≤ n (n, r are integers) 1 ≤...
  • Page 104: Specifications

    • x √y, x!, nPr, nCr type functions require consecutive internal calculation, which can cause accumulation of errors that occur with each calculation. • Error is cumulative and tends to be large in the vicinity of a function’s singular point and inflection point. •...
  • Page 105 Dimensions: 10.7 (H) × 77 (W) × 162 (D) mm ” (H) × 3 ” (W) × 6 ” (D) Approximate Weight: 95 g (3.4 oz) including the battery...
  • Page 106: Frequently Asked Questions

    Variables: This memory is helpful when you need to use the same value multiple times in one or more calculations. ■ How can I find a function I was using with an older CASIO calculator model on this calculator? → This calculator’s functions can be accessed from the CATALOG menu that appears when you press .
  • Page 107 ■ Why does the battery icon ( ) appear right after the calculator is turned on? → The battery icon indicates that battery power is low. If you see this icon, replace the battery as soon as possible. For details about battery replacement, see "Replacing the Battery"...
  • Page 108 SA2212-A © 2022 CASIO COMPUTER CO., LTD.

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