User manual TERRAILLON MULTITHERMO 4

[. . . ] Press ¸ after entering the last coefficient value. TI-89 / TI-92 Plus / Voyage™ 200 PLT Polynomial Root Finder App Page 4 Loading existing data You can load an existing list as all or part of the problem from within the Polynomial Root Finder App by using either of the following methods. • • Press „ and select a folder and list. Press ƒ 1:Load Coefficients and select a folder and list. Editing coefficients 1. If you are on the Solutions screen, press † to display the Coefficients screen. [. . . ] The graph does not automatically update for the new values. To update the graph, select 2 ˆ (TI-89) or ˆ 1:Open Graph from the Coefficients or Solutions screen. Press 2 a to switch to the Coefficients or Solutions screen. Press 2 ˆ (TI-89) or ˆ 2:Quit Graph. TI-89 / TI-92 Plus / Voyage™ 200 PLT Polynomial Root Finder App Page 9 Storing Once you have entered the coefficients, you can store: • • • All the coefficients to a list. An individual coefficient to a variable. The polynomial to a Y= equation. Once you have calculated the roots, you can store: • • All the roots to a list. An individual root to a variable. To store from either the Coefficients or Solutions screen: • Press … and select one of the following: − 1:Coefficients and select a folder and list name. − 2:Solutions and select a folder and list name. − 3:Poly to Y= Editor and select a y-variable. TI-89 / TI-92 Plus / Voyage™ 200 PLT Polynomial Root Finder App Page 10 To store individual coefficients or roots from the Coefficients or Solutions screen: 1. On the Coefficients screen, place the cursor on the value you want to store. On the Solutions screen, place the cursor on the equal sign (=) of the xi value you want to store. Press 3 and set Angle to Radian and Complex Format to Rectangular. Start the Polynomial Root Finder App and select New. Press 3 ¸ for a third-degree polynomial. Enter the coefficients: a 3 = 15, a 2 = M4i, a 1 = 7+i, a 0 = 2i. The busy indicator on the status line displays while the solution is calculated. The values for x1, x2, and x3 are displayed: x 1 = M. 038274+. 926765…i x 2 = M. 174161N. 282031…i x 3 = . 212435N. 378067…i TI-89 / TI-92 Plus / Voyage™ 200 PLT Polynomial Root Finder App Page 16 Errors, Error Messages, and Restrictions Message Highest degree polynomial coefficient cannot be zero. Clear unnecessary functions from the Y= Editor. Memory What To Do You must enter a nonzero value for an. Press ¥ # and clear any unnecessary functions. The Polynomial Root Finder App requires at least 3000 bytes of RAM to run properly. When the amount of available RAM falls below this threshold, the application may display an Error: Memory dialog box and return to the Home screen or simply exit to the Home screen. If this occurs, archive or delete some variables before returning to the application. TI-89 / TI-92 Plus / Voyage™ 200 PLT Polynomial Root Finder App Page 17 Installing the Polynomial Root Finder App Detailed Flash application installation instructions are available from education. ti. com/guides. You will need: • A TI-89 / TI-92 Plus / Voyage™ 200 PLT with the latest Advanced Mathematics Software Operating System. Download a free copy from education. ti. com/softwareupdates. [. . . ] You may not sell, rent, or lease copies that you make. COPYRIGHT: The Licensed Materials and any accompanying documentation are copyrighted. If you make copies, do not delete the copyright notice, trademark, or protective notices from the copies. WARRANTY: TI does not warrant that the Licensed Materials or documentation will be free from errors or that they will meet your specific requirements. [. . . ]