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Texas Instruments TI-73 Manual Book

Texas Instruments TI-73 Manual Book

For ti-73 graphing calculator
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Download this manual See also: Tech Manual, Manual Book
TI
4/6/01
TI-73 Geoboard
Getting Started
Start Here...
How To...
Work with Boards
Create and Delete Objects
Save and Share Boards
Examples
Creating Regular Polygons
Rotating to Create Patterns
Examining Areas of Squares
More Information
Troubleshooting
Customer Support
Transform Objects
Measure Objects
© 2001 Texas Instruments

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Summary of Contents for Texas Instruments TI-73

  • Page 1 Start Here… How To… Work with Boards Transform Objects Create and Delete Objects Measure Objects Save and Share Boards Examples Creating Regular Polygons Rotating to Create Patterns Examining Areas of Squares More Information Troubleshooting Customer Support 4/6/01 © 2001 Texas Instruments...
  • Page 2 “as-is” basis. In no event shall Texas Instruments be liable to anyone for special, collateral, incidental, or consequential damages in connection with or arising out of the purchase or use of these...

  • Page 3: What Is Geoboard

    Rotate, reflect, and translate objects. • Measure lengths, areas, perimeters, and angles. • Store measured values in TI 73 lists for plotting and analysis. • Show or hide labels, axes, and coordinates. • Save Geoboards so you can retrieve them later. TI-73 Geoboard Page 3...

  • Page 4: What You Will Need

    A PC running Microsoft Windows , or an Apple ® Macintosh • The most recent version of ™ software for the TI-GRAPH LINK TI 73. To download a free copy of this software, point your web browser to http://education.ti.com/ TI-73 Geoboard Page 4...

  • Page 5: Where To Find Installation Instructions

    Where to Find Installation Instructions You can find detailed instructions on installing Flash applications at this web site: http://education.ti.com/ Getting Help If you need help using the calculator, the TI 73 guidebook is available free as a PDF file at: http://education.ti.com/ TI-73 Geoboard Page 5...

  • Page 6: Getting Started

    1. Turn the calculator on, and press the  key. The calculator displays a menu of installed applications. with  and  and then press the E key. The 2. Press the number key shown next to , or highlight Geoboard Geoboard Geoboard startup screen appears. TI-73 Geoboard Page 6...
  • Page 7 DRAW = Draw object TFRM = Transform The Geoboard FMAT = Format commands are mapped to the five MEAS = Measure TI 73 graphing keys. OPTN = Options TI-73 Geoboard Page 7...
  • Page 8 Note Geoboard creates unique labels for the vertex points of each object. Even if vertex points of different objects share a common peg, each vertex point has its own label. TI-73 Geoboard Page 8...
  • Page 9 The dotted line becomes solid. 6. Press   , and then select to add a third point. You now have a triangle. 7. Press , and then select to add a fourth point. TI-73 Geoboard Page 9...
  • Page 10 8. Select . Your four-sided object looks like this: DONE 9. Select . The main Geoboard commands reappear. QUIT TI-73 Geoboard Page 10...
  • Page 11 4. Press the E key. The object’s perimeter, 10.606 appears, and the Geoboard commands change to let you store the measured value. 5. Select to store the value in the calculator’s list. The main Geoboard commands reappear. TI-73 Geoboard Page 11...
  • Page 12 4. Move the cursor to point The angle, , appears, and the angle is shown as a 123.69 dotted line on the object. 5. Select to store the value in the calculator’s list. The main Geoboard commands reappear. TI-73 Geoboard Page 12...
  • Page 13 Select if you want to quit without saving. 3. When the main Geoboard menu appears, press    to display the menu. QUIT 4. Select . The TI 73 home screen appears. TI-73 Geoboard Page 13...
  • Page 14 Use the links on the first page to learn how to: • Perform other tasks, such as transforming objects. • Work through specific examples. • Find other troubleshooting and customer-support information. TI-73 Geoboard Page 14...

  • Page 15: Working With Boards

    2. To change any format setting, press , , , and  as necessary to highlight the setting, and then press the E key. 3. When you have finished setting the formats, select . The QUIT board reappears with your new settings in effect. TI-73 Geoboard Page 15...
  • Page 16 4. Press the E key. The main Geoboard commands reappear. To cancel moving the origin before you have pressed E, Note QUIT select and press the E key. 5. If you want to remove the axes, select , select FMAT AxesOff TI-73 Geoboard Page 16...
  • Page 17 E key. 5. Press  to highlight the Pegs options, press  or  to highlight the number of pegs, and then press the E key. 6. Select . The circular board appears. GOTO TI-73 Geoboard Page 17...
  • Page 18 To ensure the fastest speed, Geoboard does not constantly redraw objects or parts of objects that have been erased temporarily during an operation (such as transforming or measuring). When you complete the operation, all objects on the board are redrawn. TI-73 Geoboard Page 18...

  • Page 19: Creating And Deleting Objects

    4. Move the cursor to the next point. As the cursor moves, it leaves a dotted line to show the new portions of the object. 5. Select to add another point. The line becomes solid. TI-73 Geoboard Page 19...
  • Page 20 Quit the object. Select again to restore the main Geoboard commands. 4. Move the cursor to the next point. As the cursor moves, it leaves a dotted line to show the new portions of the object. TI-73 Geoboard Page 20...
  • Page 21 (press the key). 1. While creating an object, select The last point that you added is removed, and the object’s outline is redrawn. 2. Resume adding points until you have completed the object. TI-73 Geoboard Page 21...
  • Page 22 4. Press the E key to remove the object, or press any other key to keep the object. When you delete an object, its labels may be reassigned to remaining objects. TI-73 Geoboard Page 22...
  • Page 23 4. Starting again at the top peg, place a vertex at every 3 to draw a 4-sided regular polygon (a square). 3×4=12. 5. Starting again at the top peg, place a vertex at every 2 to draw a 6-sided regular polygon (a hexagon). 2×6=12. TI-73 Geoboard Page 23...
  • Page 24 8. Press  to view the polygons in succession. Notice that for each polygon, the number of sides × the number of pegs from vertex-to-vertex = 12. Consider the number of regular polygons possible on a 24-peg board. TI-73 Geoboard Page 24...

  • Page 25: Saving And Sharing Boards

    4. Highlight a name, and then press the E key to save the board. If you previously saved a board using that name, the message appears. Replace? To replace the saved board, press the E key, and then select QUIT To cancel saving the current board, select QUIT TI-73 Geoboard Page 25...
  • Page 26 If you are viewing a square board, only the square boards are listed. If you are viewing a circular board, only the circular boards are listed. 4. Select the board that you want to open. The opened board replaces the board that you were viewing. TI-73 Geoboard Page 26...
  • Page 27 AppVars SELECT / TRANSMIT appears, showing the list of AppVars. Note The AppVar name of each board is the board’s name with the letters “Geobd” appended. For example, the circular board C1Geobd has the AppVar name TI-73 Geoboard Page 27...
  • Page 28 , and then press E. The TRANSMIT marked boards are transmitted to the receiving unit. When the transmission has completed, both calculators display the message Done 9. On each calculator, press  O to exit the Link application. TI-73 Geoboard Page 28...

  • Page 29: Measuring Objects

    Restrictions on Fraction Results For lengths, areas, and perimeters, Geoboard gives decimal or fraction results, depending on the Decimal/Fraction format setting. Fraction measurements that are irrational (such as a hypotenuse that is ) are approximated (56/25 in this case). TI-73 Geoboard Page 29...
  • Page 30 FRACTION format is changed to DECIMAL. Clearing Lists before Storing Measured Values When you take a measurement, the Geoboard application makes it easy for you to store the value in any of the TI-73 lists through . Before starting Geoboard, you might want to clear one or more of those lists so that they will contain only the Geoboard results.
  • Page 31 5. Select the TI 73 list in which you want to store the value, or select to discard the value. The main Geoboard QUIT commands reappear. 6. Press   to stop measuring. TI-73 Geoboard Page 31...
  • Page 32 E. 4. Select the TI 73 list in which you want to store the area value, or select to discard the value. The main QUIT Geoboard commands reappear. 5. Press   to stop measuring. TI-73 Geoboard Page 32...
  • Page 33  key to select that is unique to the object that you want to measure. If you the object before pressing E. 5. Press   to stop measuring. TI-73 Geoboard Page 33...
  • Page 34 Note Angle measurement always displays the smaller of the two angles formed by the two sides. The smaller angle might be the angle on the outside of the object rather than the angle on the inside. TI-73 Geoboard Page 34...
  • Page 35 4. Move the cursor to the arc’s ending point, and press the 5. Select the TI 73 list in which you want to store the value, or select to discard the value. The main Geoboard QUIT commands reappear. TI-73 Geoboard Page 35...
  • Page 36 MEAS store the value in 6. Starting again in the lower-left corner, draw a 2×2 square, and count the number of small (1×1) squares in the 2×2 square. The count is 4 small squares. TI-73 Geoboard Page 36...
  • Page 37 Consider the sequence of numbers of the stored areas. Is there a pattern to the sequence? If there is a pattern, what would you expect the area of the entire 8×8 board to be? What about an n × n board? TI-73 Geoboard Page 37...

  • Page 38: Transforming Objects

    Note If you have selected a point that is shared by multiple objects, Geoboard selects the first object that used the point. 5. Use the  and  keys to rotate the temporary copy. TI-73 Geoboard Page 38...
  • Page 39 TFRM TRANSFORMATION menu appears. 2. Select . The board reappears, with the prompt. Reflect Reflect 3. Use the cursor keys (, , , and ) to place the cursor on one of the object’s vertex points. TI-73 Geoboard Page 39...
  • Page 40 Note A copy operation must not exceed Geoboard’s maximum of 26 points or 6 objects per board. To cancel the reflection before you MOVE COPY QUIT have selected , select . The temporary copy is erased. TI-73 Geoboard Page 40...
  • Page 41 If you have selected a point that is shared by multiple objects, Geoboard selects the first object that used the point. 5. Use the cursor keys (, , , and ) to reposition the temporary copy. TI-73 Geoboard Page 41...
  • Page 42 4. Starting at (3,4), rotate the base object 180°, and then select . You now have a copy directly above the base object. COPY 5. Make a second copy directly to the right of the base object by starting at (4,3) and rotating 180°. TI-73 Geoboard Page 42...
  • Page 43 (2,3) and rotating 180°. You now have a pattern of five diamonds forming a cross. Consider how you might use reflection to create the same pattern. Consider how you might use rotation to fill in the empty spaces and form a large diamond. TI-73 Geoboard Page 43...

  • Page 44: Removing The Geoboard Application

    5. Select Removing Saved Boards Removing saved boards creates more space for TI 73 lists, variables, and pictures. Quit the Geoboard application. 2. Press  €. The menu appears. MEMORY 3. Select Delete, and then select AppVars TI-73 Geoboard Page 44...
  • Page 45 4. For each AppVar containing the word Geobd, use  or  to select the AppVar, and then press the E key.  O. You are returned to the home screen. 5. When you have finished removing the saved boards, press TI-73 Geoboard Page 45...

  • Page 46: Troubleshooting / Interpreting Messages

    *MEMORY You have attempted to run Geoboard with less than 1000 LIMIT* bytes of RAM memory available. Press any key to remove the message, and then delete some items from memory. TI-73 Geoboard Page 46...
  • Page 47 26 total points on a board. Replace? You are saving a board to a name that already contains a E. To cancel the save, press any other key. previously saved board. To replace the saved board, press TI-73 Geoboard Page 47...
  • Page 48 You have attempted to measure the area or perimeter of an Error object: • That is a line segment. • That has intersecting lines. • That uses the same peg more than once. Press  to remove the message. TI-73 Geoboard Page 48...

  • Page 49: Installation Error Messages

    TI 73. The problem is usually associated with the cable and its connection to the TI GRAPH LINK TI 73 and/or to the computer. Make sure the cable is firmly pushed in to the calculator and the computer. TI-73 Geoboard Page 49...
  • Page 50 Within about 20 seconds after the installer is interrupted, an error message appears on your computer. The installer exits after you dismiss the error message, and the home screen appears. 3. Retry the installation procedure. If you continue to have difficulty, contact Customer Support. TI-73 Geoboard Page 50...
  • Page 51 If you continue to receive this error, contact Customer Support. Other Calculator Errors — For information about other error messages, refer to the error messages in Appendix B of the TI 73 guidebook, or contact Customer Support. TI-73 Geoboard Page 51...
  • Page 52 Geoboard requires one available application space. You might need to remove another application to make room for Geoboard. 1. Press  €. Select Check APPs 3. Note the number of Spaces Free 4. If you have no spaces free, remove an application. TI-73 Geoboard Page 52...

  • Page 53: Texas Instruments (Ti) Support And Service Information

    Texas Instruments (TI) Support and Service Information For general information ti-cares@ti.com E-mail: 1 800 TI CARES (1 800 842 2737) Phone: For US, Canada, Mexico, Puerto Rico, and Virgin Islands only http://education.ti.com/ Home page: For technical questions 1 972 917 8324 Phone For product (hardware) service Customers in the US, Canada, Mexico, Puerto Rico, and Virgin...

  • Page 54: End User License Agreement

    IMPORTANT - Read this agreement (“Agreement”) carefully before installing the software program(s) and/or calculator application(s). The software program(s) and/or calculator program(s) and any related documentation (collectively referred to as the Program) are licensed, not sold, by Texas Instruments Incorporated (TI) and/or any applicable licensors (collectively referred to as Licensor). By installing or otherwise using the Program, you agree to be bound by the terms of this license.
  • Page 55 OR SUFFERED OR INCURRED BY YOU OR ANY OTHER PARTY INCLUDING BUT NOT LIMITED TO SPECIAL, INDIRECT, INCIDENTAL OR CONSEQUENTIAL DAMAGES, EVEN IF LICENSOR HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. IN JURISDICTIONS WHICH ALLOW TEXAS INSTRUMENTS TO LIMIT ITS LIABILITY, TI’S LIABILITY IS LIMITED TO THE APPLICABLE LICENSE FEE PAID BY YOU.
  • Page 56 U.S. Government pursuant to a solicitation issued prior to December 1, 1995, the Program is provided with "Restricted Rights" as provided for in FAR, 48 CFR 52.227-14 (JUNE 1987) or DFAR, 48 CFR 252.227-7013 (OCT 1988), as applicable. Manufacturer is Texas Instruments Incorporated, 7800 Banner Drive, M/S 3962, Dallas, Texas 75251. TI-73 Geoboard Page 56...
  • Page 57 Measuring Objects ....................29 Transforming Objects................... 38 Removing the Geoboard Application ..............44 Removing Saved Boards ..................44 Troubleshooting / Interpreting Messages............. 46 Texas Instruments (TI) Support and Service Information ........53 End-User License Agreement................54 TI-73 Geoboard Page 57...

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