User manual TEXAS INSTRUMENTS TI-89 TITANIUM

[. . . ] TI-89 Titanium Graphing Calculator Important Information Texas Instruments makes no warranty, either express 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 product. Moreover, Texas Instruments shall not be liable for any claim of any kind whatsoever against the use of these materials by any other party. USA FCC Information Concerning Radio Frequency Interference This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. [. . . ] The cursor appears at the command where the break occurred. To cancel program execution, press N. Where Is the Output Displayed?Depending on the commands in the program, the TI-89 Titanium automatically displays information on the applicable screen. Most output and input commands use the Program I/O screen. (Input commands prompt the user to enter information. ) Graph-related commands typically use the Graph screen. After the program stops, the TI-89 Titanium shows the last screen that was displayed. The Program I/O Screen On the Program I/O screen, new output is displayed below any previous output (which may have been displayed earlier in the same program or a different program). After a full page of output, the previous output scrolls off the top of the screen. Programming 574 Last output On the Program I/O screen: toolbar is available; all others are dimmed. There is no entry line. Note: To clear any previous output, enter the Clr[O command in your program. You can also execute Clr[O from the Home screen. When a program stops on the Program I/O screen, you need to recognize that it is not the Home screen (although the two screens are similar). The Program I/O screen is used only to display output or to prompt the user for input. You cannot perform calculations on this screen. Note: If Home screen calculations don't work after you run a program, you may be on the Program I/O screen. Leaving the Program I/O Screen From the Program I/O screen: Press to toggle between the Home screen and the Program I/O screen. or Press N, 2 K, or @ " "to display the Home screen. or Display any other application screen (with O, 8 #, etc. ). 575 Programming Starting a Program Editor Session Each time you start the Program Editor, you can resume the current program or function (that was displayed the last time you used the Program Editor), open an existing program or function, or start a new program or function. Press O and then select Program Editor. 2. Specify the applicable information for the new program or function. Item Type Folder Lets you: Select whether to create a new program or function. Select the folder in which the new program or function will be stored. For information about folders, refer to the Calculator Home Screen module. Programming 576 Item Variable Lets you: Type a variable name for the program or function. If you specify a variable that already exists, an error message will be displayed when you press . When you press N or to acknowledge the error, the NEW dialog box is redisplayed. 4. Press (after typing in an input box such as Variable, you must press twice) to display an empty "template. " This is the template for a program. Functions have a similar template. You can now use the Program Editor as described in the remaining sections of this module. Note: A program (or function) is saved automatically as you type. [. . . ] 257 trigonometric collection, tCollect( ) . 257 trigonometric collection, tCollect( ) . 889 trigonometric expansion, tExpand( ) . 22 U Unarchiv, unarchive variables . [. . . ]