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Casio NP20 User Manual

Casio electronics co calculator user's guide algebra fx 2.0.
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ALGEBRA FX 2.0
User's Guide
E

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   Summary of Contents for Casio NP20

  • Page 1

    ALGEBRA FX 2.0 User’s Guide...

  • Page 2

    Please keep your manual and all information handy for future reference. IBM is a registered trademark of International Business Machines Corporation. Macintosh is a registered trademark of Apple Computer, Inc. NOTICE FCC WARNING CASIO ELECTRONICS CO., LTD. Unit 6, 1000 North Circular Road, London NW2 7JD, U.K.

  • Page 3: Before Using The Calculator For The First Time

    BEFORE USING THE CALCULATOR FOR THE FIRST TIME... This calculator does not contain any main batteries when you purchase it. Be sure to perform the following procedure to load batteries, reset the calculator, and adjust the contrast before trying to use the calculator for the first time.

  • Page 4

    5. Press m. • If the Main Menu shown to the right is not on the display, press the P button on the back of the calculator to perform memory reset. 6. Use the cursor keys (f, c, d, e) to select the SYSTEM icon and press w, then press 2( 7.

  • Page 5

    Quick-Start Turning Power On And Off Using Modes Basic Calculations Replay Feature Fraction Calculations Exponents Graph Functions Dual Graph Box Zoom Dynamic Graph Table Function 19990401...

  • Page 6: Turning Power On And Off

    When you’re done, you’ll have mastered the basic operation of this calculator and will be ready to proceed with the rest of this user’s guide to learn the entire spectrum of functions available.

  • Page 7: Basic Calculations

    1. Press +gb)w Built-In Functions This calculator includes a number of built-in scientific functions, including trigonometric and logarithmic functions. Example: 25 × sin 45˚ Important! Be sure that you specify Deg (degrees) as the angle unit before you try this example.

  • Page 8

    SET UP 1. Press to display the SET UP screen. cccc1 2. Press degrees as the angle unit. 3. Press to clear the menu. 4. Press to clear the unit. cf*sefw 5. Press REPLAY FEATURE With the replay feature, simply press was performed so you can make changes or re-execute it as it is.

  • Page 9: Fraction Calculations

    FRACTION CALCULATIONS key to input fractions into calculations. The symbol “ { ” is used You can use the to separate the various parts of a fraction. Example: 1 1. Press b$bf$ 2. Press bg+dh$ Converting a Mixed Fraction to an Improper Fraction While a mixed fraction is shown on the display, press improper fraction.

  • Page 10

    EXPONENTS Example: 1250 × 2.06 1. Press bcfa*c.ag 2. Press 3. Press and the ^ indicator appears on the display. 4. Press . The ^5 on the display indicates that 5 is an exponent. 5. Press Quick-Start 19990401...

  • Page 11

    GRAPH FUNCTIONS The graphing capabilities of this calculator makes it possible to draw complex graphs using either rectangular coordinates (horizontal axis: x ; vertical axis: y) or polar coordinates (angle: θ ; distance from origin: r). All of the following graphing examples are performed starting from the calculator setup in effect immediately following a reset operation.

  • Page 12

    2. Press (Root). Press for other roots. Example 3: Determine the area bounded by the origin and the X = –1 root obtained for Y = X(X + 1)(X – 2) 1. Press (G-SLV) ∫ 2. Press dx). 3. Use to move the pointer to the location where X = –1, and then press move the pointer to the location where X = 0, and...

  • Page 13

    DUAL GRAPH With this function you can split the display between two areas and display two graphs on the same screen. Example: To draw the following two graphs and determine the points of intersection Y1 = X(X + 1)(X – 2) Y2 = X + 1.2 SET UP ccc2...

  • Page 14

    d e f c 3. Use again. As you do, a box appears on the display. Move the pointer so the box encloses the area you want to enlarge. 4. Press , and the enlarged area appears in the inactive (right side) screen. DYNAMIC GRAPH Dynamic Graph lets you see how the shape of a graph is affected as the value assigned to one of the coefficients of its function changes.

  • Page 15

    4. Press (VAR) of 1 to coefficient A. bwdwb 5. Press (RANG) to specify the range and increment of change in coefficient A. 6. Press 7. Press (DYNA) to start Dynamic Graph drawing. The graphs are drawn 10 times. Quick-Start to assign an initial value 19990401 ↓...

  • Page 16

    2. Use GRPH TBL, and then press • 3. Input the formula. v(v+b) (v-c)w 4. Press (TABL) to generate the number table. To learn all about the many powerful features of this calculator, read on and explore! Quick-Start to highlight 19990401...

  • Page 17: Handling Precautions

    • Avoid dropping your calculator and subjecting it to strong impact. • Do not store the calculator or leave it in areas exposed to high temperatures or humidity, or large amounts of dust. When exposed to low temperatures, the calculator may require more time to display results and may even fail to operate.

  • Page 18

    It is up to you to keep back up copies of data to protect against its loss. 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 these materials.

  • Page 19

    • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • •...

  • Page 20

    Contents Getting Acquainted — Read This First! Chapter 1 Basic Operation Keys ... 1-1-1 Display ... 1-2-1 Inputting and Editing Calculations ... 1-3-1 Option (OPTN) Menu ... 1-4-1 Variable Data (VARS) Menu ... 1-5-1 Program (PRGM) Menu ... 1-6-1 Using the Set Up Screen ... 1-7-1 When you keep having problems…...

  • Page 21

    Program Mode Function Keys ... 8-2-1 Editing Program Contents ... 8-3-1 File Management ... 8-4-1 Command Reference ... 8-5-1 Using Calculator Functions in Programs ... 8-6-1 Program Mode Command List ... 8-7-1 Program Library ... 8-8-1 Chapter 9 System Settings Menu Using the System Settings Menu ...

  • Page 22

    Chapter 10 Data Communications 10-1 Connecting Two Units ... 10-1-1 10-2 Connecting the Unit with a CASIO Label Printer ... 10-2-1 10-3 Connecting the Unit to a Personal Computer ... 10-3-1 10-4 Performing a Data Communication Operation ... 10-4-1 10-5 Data Communications Precautions ...

  • Page 23: Read This First

    Keys and Menus • Many of the operations performed by this calculator can be executed by pressing function keys 1 through 6. The operation assigned to each function key changes according to the mode the calculator is in, and current operation assignments are indicated by function menus that appear at the bottom of the display.

  • Page 24

    To cancel the pull-up menu without inputting the command, press i. k About Display Screens This calculator uses two types of display screens: a text screen and a graphic screen. The text screen can show 21 columns and 8 lines of characters, with the bottom line used for the function key menu.

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Algebra fx 2.0

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