Solution 11813: Using Local Variables in Functions or Programs on the TI-89 Family, TI-92 Plus, and Voyage™ 200.
...an I use a local variable on the TI-89 family, TI-92 Plus, or Voyage 200? A local variable is a temporary variable that exists only while a user-defined function is being evaluated or a user-defined program is running. As often as possible, use local variables for any variable that is used only ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11813
Solution 12093: Displaying Asymptotes on the TI-89 Family, TI-92 Plus, and Voyage™ 200 Graphing Calculators.
...eries of points, separated by the number of pixels specified in the "xres" variable on the window screen. As successive points are drawn, they are joined by a line. If two successive points lie on either side of a discontinuity, they will be joined by a line, which may look like a vertical asympt...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12093
Solution 15346: Graphing 2D Implicit Functions on the TI-89 Titanium, TI-92 Plus, and Voyage™ 200.
.... However, by using 3D graphing mode, it is possible to graph implicit 2D without solving for y or x. To be able to graph these functions, users will need to rearrange the implicit form as an equation set to zero f(x,y) - g(x,y)=0. Then enter the non-zero side into the Y= editor. Example: Graph t...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/15346
Solution 12092: Creating a Scatter Plot Using the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...(use scatter to plot the points). 4) Type in c1 for X and c2 for Y. 5) Press [ENTER] two times. 6) Press [♦] [GRAPH] (Note: The viewing window may need to be adjusted. Press [F2][9].) Please see the TI-89 family, TI-92 family and Voyage 200 guidebooks for additional information. Solution ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12092
Solution 15320: Performing Order of Magnitude on the TI-86 Graphing Calculator.
... I perform an order of magnitude computation on the TI-86 graphing calculator? The order of magnitude of a number is the number of powers of 10 contained in the number. Generally, the order of magnitude of a number can be defined in terms of the decimal logarithm, usually as the integer part of t...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/15320
Solution 12091: Creating a Histogram Using the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
... c1. Press [5] [ENTER] [8] [ENTER] etc. • Enter the numbers for the frequencies under c2. Graph the Histogram • Press F2 (Plot Setup).• Press F1 (Define).• A screen will now show the dialog box with the stat plot options. Fill in the following options. • Press [ENTER] [ENTER] to save these setti...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12091
Solution 11795: Using the deSolve() Function on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...x for deSolve() is: deSolve(ODE,independentvar,dependentvar) The deSolve function returns an equations that explicitly or implicitly specifies the general solution to the 1st or 2nd ordinary differential equation (ODE). Example: 1) Go to the home screen, press [HOME] on the TI-89 family and ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11795
Solution 14488: Rules for Variable Names on the TI-89 Titanium and Voyage™ 200.
...d lowercase letters. For example the names AB22, Ab22, aB22, and ab22 all refer to the same variable. • Variable names cannot be the same as pre-assigned names by the TI-89 Titanium or Voyage 200. Pre-assigned names include built-in functions (such as abs), instructions (such as LineVert), and sy...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/14488
Solution 11842: Algorithm Used for Symbolic Integration Function on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...ge Base Search What algorithm is used for symbolic integration on the TI-89 family, TI-92 family and Voyage 200? Antiderivatives are determined by substitutions, integration by parts, and partial-fraction expansion, much as described by J. Moses in "Symbolic Integration: The Stormy Deca...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11842
Solution 14485: Modifying the History Area on the TI-89 Titanium and Voyage™ 200 Graphing Calculators.
... How can I modify the history area on the TI-89 Titanium or Voyage 200 graphing calculators? There are three main modifications that can be done to the history area: 1. Changing the number of pairs that are saved: 1) From the Calc Home screen, press [F1] and select 9:Format or press the...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/14485
Solution 12087: Clock Will Not Display on a TI-89 or TI-92 Plus Graphing Calculator with Operating System (OS) 2.08 or Above.
... The clock features of the latest OS's will not function on a TI-89 and TI-92 Plus (or TI-92 with a Plus Module) with hardware version 1. To determine if a calculator has a hardware version 1 unit: • On the Home Screen, with custom menus disabled, press [F1], and choose option A for About... ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12087
Solution 11852: Algorithm for tCollect() Function on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
..., TI-92 family, and Voyage 200 graphing calculators compute the results for the tCollect() function? The algorithm for the tCollect( function is defined as follows: tCollect( repeatedly uses the well-known formulas for products and integer powers of sines and cosines, such as those given in the ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11852
Solution 12085: Apps Icon Desktop Setting and Clock Functionality for the TI-89 or TI-92 Plus.
Solution 12085: Apps Icon Desktop Setting and Clock Functionality for the TI-89 or TI-92 Plus. Solution 12085: Apps Icon Desktop Setting and Clock Functionality for the TI-89 or TI-92 Plus. global Solution 12085: Apps Icon Desktop Setting and Clock Functionality for the TI-89 or TI-92 Plu...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12085
Solution 35134: Calculating Present Value (PV) on the TI-89 Family, TI-92 Family, and Voyage™ 200.
...ER] • Highlight the PV= using the up and down arrows and press [F2] this will compute with monthly interest for the Present Value of the Time value money formula Answer: PV=$191131 Note: To compute for a yearly interest, change PpY and CpY to 1. Please see the TI-89 family, TI-92 family, and V...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/35134
Solution 12054: Finding the Curl of a Vector Field on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...-92 family, and Voyage 200 graphing calculators do not have a built in way to find the curl of a vector field. However, there is a work around to define it. To find the curl of the vector field refer to the example below. Example: Find the curl of the vector field F. F(x,y,z) = x * y * zi + yj +...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12054
Solution 12075: Viewing the Data Collected with the Calculator-Based Ranger™ (CBR™) and the Ranger Program on the TI-89 Family Calculators.
...en. • In the Open window, for Type, select 3: List, scroll down to variable and select the list to view (l1, l2, l3, or l4). • This will display the one list that was selected in the "c1" column. If the user would like to see other lists along with the list in "c1", scroll up to "c2", press [ENTE...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12075
Solution 12059: Implicit Partial Differentiation on the TI-89 Family, TI-92 Family, or Voyage™ 200 Graphing Calculators.
...d press [ENTER]. If you are using the TI-89, the impdif( command is not built in the operating system. Implicit partial differentiation can be defined using the define command on the unit. Below is a first derivative partial differentiating function based on a more general function found in De...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12059
Solution 12069: Storing a Value to a Matrix Element on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...o enter the matrix: 1) If the Apps Desktop is on, press [APPS], highlight Data/Matrix Editor, then press the [ENTER] key. (If your Apps Desktop is turned off, press [APPS][6][3] and skip the next step). 2) Choose option 3:New... 3) To create the matrix above, the Type: will be Matrix, the Variabl...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12069
Solution 11810: Calculating a Cubic Regression on the TI-89 Family, TI-92 Family and Voyage™ 200 Graphing Calculators.
...A][1]. 9) Press the down arrow, then press [C][2] (Indicates the y variables are in c2). On the TI-89 family, press [ALPHA][C][2]. 10) To graph the line, select an equation number after Store RegEQ to... 11) Press [ENTER][ENTER]. A dialog box will display the cubic regression variables. 12...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11810
Solution 12046: Calculating Two-Variable Statistics on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...: {5, 9, 7, 11} y values: {12, 15, 14, 17} To Solve: 1) Press [APPS] use the arrows to select [Data/Matrix Editor] and press [ENTER]. 2) Choose [3: New] then press [Enter]. 3) Press [Down Arrow] [Down Arrow] to place the cursor in the variable box then enter a variable name for example: datab....https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12046
Solution 12043: Archiving a Program on the TI-89 Family, TI-92 Plus, and Voyage™ 200 Graphing Calculators.
... press [ENTER]. • Type the name of the program to archive. The screen will read : Archive Pgrm Name. • Press [ENTER] to archive the program. • A Done message will confirm that the program is archived. Archiving from the VAR-LINK menu: • Press [2nd] [VAR-LINK] to access the menu. • Highligh...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12043
Solution 12136: Factoring an Expression on the TI-89 Family and Voyage 200 Graphing Calculators.
...oper syntax for the factor() command is factor(expression)For Example: factor(x^2-6x+5) Some good practices when factoring expressions:1) Delete all one-character variables by pressing F6:Clean Up ([2nd] [F1] on the TI-89 family), selecting 1:Clear a-z..., and pressing [ENTER] [ENTER].2) Always i...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12136
Solution 11769: Graphing Coordinates Using the TI-89 Titanium and Voyage™ 200 Graphing Calculators.
... (3,6), (4,7).1) Press the [APPS] key. Using the arrow keys, highlight Data/Matrix Editor icon and press [ENTER].2) Using the arrow keys, highlight 3:New and press [ENTER]. Select Data for the Type and select main for the Folder. Next to Variable, type in a name for the data list (the name cannot...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11769
Solution 11869: Performing Unit Conversions On The TI-89 Family,TI-92 Family, and Voyage™ 200 Graphing Calculators.
...e Base Search How do I convert units on the TI-89 family,TI-92 family, and Voyage 200 graphing calculators? It is possible to convert from one unit to another in the same category, including user-defined units. For example, to convert 4 light years to kilometers: • Enter 4 • Press [2...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11869
Solution 12098: Graphing Piecewise Functions on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
... the [EE] key. Using the TI-92 family and Voyage 200 calculator, press [2nd] [K]. Piecewise functions are entered as follows:Y = expression | conditionExample 1: y1 = 4(-x^2)|x3 Please see the TI-89 family, TI-92 family and Voyage 200 guidebooks for additional information. Solution 12098: Graph...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12098