User manual TEXAS INSTRUMENTS TI-82

[. . . ] TI-82 GRAPHING CALCULATOR GUIDEBOOK TI-GRAPH LINK, Calculator-Based Laboratory, CBL, CBL 2, Calculator-Based Ranger, CBR, Constant Memory, Automatic Power Down, APD, and EOS are trademarks of Texas Instruments Incorporated. Macintosh is a registered trademark of Apple Computer, Inc. 1993, 2000, 2001 Texas Instruments Incorporated. Important Texas Instruments makes no warranty, either expressed or implied, including but not limited to any implied warranties of merchantability and fitness for a particular purpose, regarding any programs or book materials and makes such materials available solely on an "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 materials, and the sole and exclusive liability of Texas Instruments, regardless of the form of action, shall not exceed the purchase price of this equipment. [. . . ] Use the split screen capability to explore the behavior of the graph of a polynomial as the coefficients change. 1. In Func MODE, press o to display the Y= screen. Press . 1 , , 3 (to select 3) 2 , , 6 to enter the polynomial . 1X3N2X+6. 2. Press z to enter display the MODE screen. Press ~ to set the screen to Split. The current graph is plotted in the standard viewing WINDOW (just compressed) and displayed on the top half of the display. Press ~ to activate the free-moving cursor. The Y= editor displays on the bottom half of the display and the cursor moves to the Y= editor. 6. This also moves the cursor to the upper window. Press ~ to see the free-moving cursor. 9-2 Split Screen Using Split Screen Once you have selected split screen, it remains in effect until you change it. A split-screen display may be replaced temporarily by a full-screen display. When you press a key in split-screen MODE, the cursor automatically moves to the correct half of the display for that key. Setting Screen MODE To change the screen MODE from FullScreen to Split or vice versa, you must use the MODE screen. Split Screen: Top The top half displays the graph screen (any MODE). The cursor is placed in the upper half of the display by GRAPH, TRACE, a ZOOM operation, or a CALC operation. Split Screen: Bottom The bottom half displays an editor. Home screen (4 lines) Y= editor (4 lines) Table (2 rows) STAT list editor (2 rows) WINDOW (3 settings, can be scrolled) The cursor is placed in the bottom half of the display whenever a key is pressed that moves to one of these displays. Exceptions The split screen will be replaced temporarily by a full-screen display for: Full-screen menus MODE screen, WINDOW FORMAT screen Matrix editor TABLE SETUP, SET UP CALCS, STAT PLOTS Program editor Memory management Split Screen 9-3 TI-82 Pixels DRAW Pixels Instructions The maximum value of row is 30 in the Pxl-On(, Pxl-Off(, and Pxl-Change( instructions and the pxl-Test( function when MODE is Split. Pxl-On(row, column) DRAW Text Instruction The maximum value of row is 25 in the Text( instruction when MODE is Split. Text(row, column, "text") PRGM Output Instruction The maximum value of row is 4 in the Output( instruction when MODE is Split. Output(row, column, "text") Setting Screen MODE from the Home Screen or a Program To set screen MODE from a program, press z on a blank line in the program editor and select FullScreen or Split. The instruction is copied to the cursor location. The MODE is set when the instruction is encountered during execution and remains in effect after the program is done. 9-4 Split Screen Chapter 10: Matrices This chapter describes the matrix features of the TI. 82. The TI. 82 can store up to five matrices. A matrix, depending on available memory, may have up to 99 rows or columns. Chapter Contents Getting Started: Systems of Linear Equations . . . . . . . . 10-2 Defining a Matrix . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-4 Viewing Matrix Elements . . . . . . . . . . . . . . . . . . . . . . . [. . . ] This Texas Instruments electronic product is warranted to the original purchaser for a period of one (1) year from the original purchase date. This Texas Instruments electronic product is warranted against defective materials and construction. This warranty is void if the product has been damaged by accident or unreasonable use, neglect, improper service, or other causes not arising out of defects in materials or construction. Any implied warranties arising out of this sale, including but not limited to the implied warranties of merchantability and fitness for a particular purpose, are limited in duration to the above one-year period. [. . . ]