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E
ClassPad II
fx-CP400
User’s Guide
CASIO Education website URL
http://edu.casio.com
Access the URL below and register as a user.
http://edu.casio.com/dl/
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Be sure to keep physical records of all important data! Low battery power or incorrect replacement of the batteries that power the ClassPad can cause the data stored in memory to be corrupted or even lost entirely. Stored data can also be affected by strong electrostatic charge or strong impact. It is up to you to keep backup copies of data to protect against its loss. Backing Up Data ClassPad data can be converted to a VCP file or XCP file and transferred to a computer for storage. For detail
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Contents About This User’s Guide ............................................................................................................................9 Chapter 1: Basics ................................................................................................................ 10 1-1 General Guide .........................................................................................................................10 ClassPad at a Glance............................................
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Using a List in a Calculation .....................................................................................................................55 Using a List to Assign Different Values to Multiple Variables ...................................................................55 2-5 Matrix and Vector Calculations .............................................................................................56 Inputting Matrix Data ................................................................
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Scrolling the Graph Window ...................................................................................................................103 Zooming the Graph Window ...................................................................................................................103 Using Quick Zoom ..................................................................................................................................104 Using Built-in Functions for Graphing .....................
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Calculating the Sum of a Sequence .......................................................................................................127 6-2 Graphing a Recursion ..........................................................................................................127 Chapter 7: Statistics Application ..................................................................................... 128 7-1 Using Stat Editor ............................................................................
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Chapter 9: Numeric Solver Application ........................................................................... 171 Numeric Solver Application-Specific Menus and Buttons ......................................................................171 Inputting an Equation .............................................................................................................................171 Solving an Equation ...................................................................................
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Editing a Program...................................................................................................................................195 12-3 User-defined Functions ......................................................................................................196 Creating a New User-defined Function ..................................................................................................196 Executing a User-defined Function ........................................
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14-2 Configuring System Settings ............................................................................................245 System Application Menus and Buttons .................................................................................................245 Configuring System Settings ..................................................................................................................245 Chapter 15: Performing Data Communication ............................................
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Chapter 1: Basics This chapter provides a general overview of the ClassPad and application operations, as well as information about input operations, the handling of data (variables and folders), file operations, and how to configure application format settings. 1-1 General Guide ClassPad at a Glance 3-pin data communication port 4-pin mini USB port See Chapter 15 for details. See Chapter 15 for details. Touch screen Stylus Icon panel See “1-3 Built-in Application Basic Operations”. 1 Curso
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Turning Power On or Off While the ClassPad is turned off, press c to turn it on. To turn off the ClassPad, press f and then c. Auto Power Off The ClassPad also has an Auto Power Off feature. This feature automatically turns the ClassPad off when it is idle for a specified amount of time. For details, see “To configure power properties” on page 246. Note Any temporary information in ClassPad RAM (graphs drawn on an application’s graph window, a dialog box displayed, etc.) is retained for approx
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1-3 Built-in Application Basic Operations This section explains basic information and operations that are common to all of the built-in applications. Using the Application Menu Tapping m on the icon panel displays the application menu. You can perform the operations below with the application menu. Tap a button to start up an Tap here (or tap s on the icon panel) to display the application. See “Built-in next menu. Applications” below. VCP file operations. See page 253. Starts touch panel a
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Tap this To start this To perform this type of operation: icon: application: • Obtain the value of any variable in an equation, without transforming Numeric Solver or simplifying the equation • Perform sequence calculations Sequence • Solve recursion expressions • Perform simple interest, compound interest, and other financial Financial calculations • Input a program or run a program Program • Create a user-defined function • Control the optionally available EA-200 Data Analyzer E-Con EA-200
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To do this: Perform this operation: Switch the active window While a dual window is on the display, tap anywhere inside the window that does not have a thick boundary around it to make it the active window. Note that you cannot switch the active window while an operation is being performed in the current active window. Resize the active window While a dual window is on the display, tap r. This causes the active window to so it fills the display fill the display. To return to the dual window
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Interpreting Status Bar Information The status bar appears along the bottom of the window of each application. 123 1 Information about the currently running application You can change the configuration of a setting indicated in the status bar by tapping it. Tapping “Cplx” (indicating complex number calculations) while the Main application is running will toggle the setting to “Real” (indicating real number calculations). Tapping again will toggle back to “Cplx”. For more details about the c
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u To display the soft keyboard When the soft keyboard is not on the touch screen, press the k key, or tap the O menu and then tap [Keyboard]. This causes the soft keyboard to appear. • The soft keyboard has a number of different key sets such as [Math1], [abc], and [Catalog], which you can use to input of functions and text. To select a key set, tap one of the tabs along the left side of the soft keyboard. • Pressing the k key or tapping the O menu, and then [Keyboard] again hides the soft
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[abc] key set Use this key set to input alphabetic characters. Tap one of the tabs along the top of the keyboard (along the right when using horizontal display orientation) to see additional characters, for example, tap [Math]. For more information, see “Using the Alphabet Keyboard” (page 24). [Catalog] key set This key set provides a scrollable list that can be used to input built-in functions, built-in commands, system variables, and user-defined functions. Tap a command to select it and
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As shown in the above Example, you can input simple arithmetic calculations using either the keypad keys or the soft keyboard. Input using the soft keyboard is required to input higher level calculation expressions, functions, variables, etc. See Chapter 2 for more information about inputting expressions. Tip: In some cases, the input expression and output expression (result) may not fit in the display area. If this happens, tap the left or right arrows that appear on the display to scroll t
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k Using the Clipboard for Copy and Paste You can copy (or cut) a function, command, or other input to the ClassPad’s clipboard, and then paste the clipboard contents at another location. Performing a copy or cut operation causes the current clipboard contents to be replaced by the newly copied or cut characters. u To copy characters 1. Drag the stylus across the characters you want to copy to select them. 2. On the soft keyboard, tap p. Or tap the [Edit] menu and then tap [Copy]. • This puts
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Example 2: To copy an expression you input with the Main application to the Graph Editor window 1. In the Main application work area, input: 2x^2 + 2x − 1. c2x{2+2x-1E 2. On the right end of the toolbar, tap the down arrow button. On the button palette that appears, tap !. • This will display the Graph Editor window in the bottom half of the screen. 3. Select the 2x^2 + 2x − 1 expression you input with the Main application by dragging across it, and then drag the expression to the located
