Solution 11893: Saving Text to a TI Graphing Calculator.
... the text information Viewing/editing an existing program: 1) Press [PRGM] [F2] 2) Select the name of the program to be edited using the function keys (F1-F5), then press [ENTER] Please Note: If > is displayed after the fifth item in a menu group, press [MORE] to display other items. Procedu...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11893
Solution 34893: Disabling the STAT Wizards on the TI-84 Plus Family of Graphing Calculators.
... the STAT wizards, there is also an option to disable the STAT wizards. To do this, follow the steps below: 1) Press [MODE]. 2) Press the [up arrow] key twice to locate the STAT WIZARDS option. 3) Scroll over to OFF and press [ENTER]. 4) Press [2nd] [QUIT] to return to the home screen. Please se...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34893
Solution 13344: Calculating lcm() (Least Common Multiple) of Two Arguments on the TI-89 Family, TI-92 Family and Voyage™ 200 Graphing Calculators.
...expression lcm(list1,list2) Þ list lcm(matrix1,matrix2) Þ matrix The lcm() function can be accessed in the MATH/Number menu by following the keystrokes below: 1) While on the Home screen, press [2ND] [MATH] to access the MATH menu. 2) Press [1] or [ENTER] to select the 1:Number submenu 3)...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/13344
Solution 10442: Executing TI-Basic and Assembly (ASM) Programs on the TI-86.
... Knowledge Base Search How do I execute programs on the TI-86? To run a program written in TI-Basic on the TI-86: 1) Press the [PRGM] key and select [F1] for a list of program names on the calculator. Each program name should appear above one of the [F1] through [F5] keys depending...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10442
Solution 13326: Using the RandSeed Function on the TI-89 Family, TI-92 Family and Voyage™ 200 Graphing Calculators.
...o seeds, which are stored in system variables seed1 and seed2. Example:1) Press [2nd][MATH], and arrow down to 7:Probability2) Press the right arrow key and scroll down and select 6:RandSeed3) Press [ENTER] and input [1][1][4][7] and press [ENTER]. Please see the TI-89 family, TI-92 family and Vo...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/13326
Solution 12651: Clearing the Memory on the TI-81.
... Knowledge Base Search How is the memory cleared and reset the TI-81? To clear the memory and reset the TI-81, press the [2nd] key and then the [+] key. A screen will be displayed with the options to reset the graphing calculator or return to the home screen. This screen wil...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12651
Solution 12650: Calculating Trigonometric Functions on the TI-81.
...ic functions on the TI-81? The TI-81 can display the results of these calculations in both Radian and Degree mode. For Degrees: 1) Press the [MODE] key. Press the [down arrow] key 2 times. 2) Highlight Deg and press the [ENTER] key, this changes the mode from a default of radian to degree for th...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12650
Solution 12649: Calculating One-variable Statistics on the TI-81.
...-81? Data for this example: x={87, 52, 97, 46, 75, 60} • Clear the screen then press [2nd] [MATRX] • Press the right-arrow key twice and press [ENTER] • The cursor will display after the x1 = • Enter the x-values after "x1 =" Press [8] [7] [ENTER] [1] [ENTER] [5] [2] [EN...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12649
Solution 13180: Sharing Applications Between the TI-89 Family Graphing Calculators.
...menu. 2) Press [2ND] [F7] to access the list of Apps currently installed on the calculator. 3) To select the App(s) to be transferred, use the arrow keys to highlight the desired App and press [F4] to ensure that a Ö (check mark) is displayed next to each App that will be transferred. 4) Finally...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/13180
Solution 12645: Graphing a Function on the TI-80 and TI-81.
... • Press [ZOOM] and select the appropriate zooming option, depending on the function being graphed. Example: Graph y=sin x Solution:• Press the [Y=] key. • Press the [SIN] key and then the [X|T] key to input the x. • Press the [ZOOM] key. • Select 7:Trig. Please see the TI-80 and TI-81 guidebooks...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12645
Solution 13062: Solving a System of Equations on the TI-89 Family, TI-92 Plus, and Voyage™ 200 Using the Gauss-Jordan method.
...mily, TI-92 Plus, and Voyage 200 using the Gauss-Jordan method? The TI-89 family, TI-92 Plus, and Voyage 200 graphing calculators do not have a one-key Gauss-Jordan method function. However, if you know what transformations you want to accomplish on a matrix, there are several commands available...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/13062
Solution 12183: Deleting Files from the Text Editor on the TI-89 Family, TI-92 Plus and Voyage™ 200.
... graphing calculators.• Press [2nd] [-] (to access the Var-Link menu).• Scroll to the name of the text file to be deleted.• Press [←] (the backspace key, not the left arrow key) to delete the file.• Press [ENTER] to confirm that the file be deleted.Please see the TI-89 family, TI-92 family and Vo...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12183
Solution 16829: Availability of the TI-86 Finance Application.
...lication can be run by using the "FIN" command on the MATH menu. This finance ASM program expands the TI-86's feature set to include Time-Value-of-Money(TVM), uneven cash flows, amortization, and more. This application requires about 5 KB of RAM, and can be deleted. For further questions regardin...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/16829
Solution 11831: Correcting an Address Error on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...n mind that this will erase the memory of the calculator and restore all manufacturer's defaults. On the TI-89 family: 1) Hold down the following keys [2nd] [] (right and left arrow keys). 2) Press [ON]. 3) Release all the keys at the same time. 4) Adjust the contrast, if necessary. On the TI...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11831
Solution 11826: Calculating nth Power and Roots Using the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...m the nth power and root computations on the TI-89 family, TI-92 family, and Voyage 200. Powers To raise a number by an exponent, use the carat (^) key, located above the division key. For example, to raise 3 to the 4th power, press [3][^][4][ENTER] for the result of 81. And, to find -22, enter ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11826
Solution 16532: Graphing a Partial Sum of a Sequence on a TI-89 Family, TI-92 Family or Voyage™ 200 Graphing Calculator.
... [X] [)].Please Note: On the TI-92 family and Voyage 200, the ALPHA function does not have to be used since these calculators have a built-in QWERTY keyboard.5) Press [ENTER].6) Press [♦] [GRAPH]. For calculators without OS 3.10, the graph will look like the following: Please see the TI-89 famil...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/16532
Solution 16510: How To draw a vertical line on a TI-86.
...ertical line. • Use the left and right arrows to move the line to where you want it. • Press [ENTER]. • To enter another line just move the arrow keys and press [ENTER]. The second option: • On the home screen press [2ND] [CATLG-VARS]. • Select CATLG by pressing [F1]. • Scroll to the VERT...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/16510
Solution 16189: Creating a 3D Graph of a Surface On a TI-89 Family, TI-92 Family, or Voyage™ 200 Graphing Calculator.
...s [♦][Y=]. 3) Input the equation [y][^][2][-][x][^][2] in z1. 4) Press [♦][GRAPH]. The graph can be viewed at different angles by pressing the arrow keys. Additional information on 3D graphing can be found in the TI-89 family, TI-92 family and Voyage 200 guidebooks. Solution 16189: Creating ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/16189
Solution 15689: Entering Numbers Using Scientific Notation on a TI-85 and TI-86 Graphing Calculator.
...85 or TI-86 calculator? A number can be entered using scientific notation with the use of the EE function, which is accessed by pressing [EE]. This key represents x10. Example: Input 1.5 x 108 and display the results in standard form. Solution:• Input 1.5.• Press [EE] to access the EE function.•...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/15689
Solution 11818: Algebra Problem Identities for 00 using the TI-89 Family, TI-92 Family, or Voyage™ 200 Graphing Calculators.
...t. When you are multiplying an empty collection of numbers together, it doesn't matter whether the missing numbers would have been zero or not, had they been present. An empty collection of zeros has the same value as an empty collection of ones, or an empty collection of twos, etc. Therefore, 00...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11818
Solution 12134: Using Strings on the TI-89 Family, TI-92 Family, and Voyage™ 200.
...the string "61" represents the characters "6" and "1", not the number 61. Although strings such as "61" or "2x+4" cannot be used in a calculation, they can be converted into numeric expressions by using the expr() command. To convert a numeric value into a string, use the string() command. The ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12134
Solution 12096: Graphing a Step Function on the TI-89 Family, TI-92 Family, or Voyage™ 200 Graphing Calculators.
...ND][W]. (Use [GREEN DIAMOND] [F1] on the TI-89 Family). 2) Access the catalog by pressing [2nd] [2] (on the TI-89 press [CATALOG]). 3) Press the [I] key to go to the "I" commands. 4) Scroll to the int( command and press [ENTER]. 5) Input X within the command, close the parenthesis and press [ENTE...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12096
Solution 11814: Sorting Columns in a Data, List, or Matrix Variable Using the TI-89 Family, TI-92 Plus, or Voyage™ 200.
...riable name using the alpha characters (e.g. test1) and press [ENTER] [ENTER]. • Input the X list into c1 and the Y list into c2. • Using the arrow keys, highlight the name of the column to be sorted (c1 or c2), press [2nd] [F6] ([F6] for the TI-92 family and Voyage 200) and select "3:Sort Colum...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11814
Solution 11813: Using Local Variables in Functions or Programs on the TI-89 Family, TI-92 Plus, and Voyage™ 200.
..., it is deleted automatically when the program stops so that it does not use memory. All local variables must be assigned an initial value before they are referenced. If a user-defined function or program that references a local variable that is not initialized is evaluated or executed, the cal...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11813
Solution 15462: Integrating Lower and Upper Bounds of a Function on the TI-89 Family, TI-92 Family, or Voyage™ 200 Graphing Calculators.
...hese steps:• On the HOME screen press [F3]• Scroll down to the second option, 2:S( integrate, press [ENTER]• Enter the equation by pressing [diamond key] [e^] [(] [X] [^] [2] [)]• Enter a comma followed by the variable - [,] [X]• Input the lower and upper bound separated by a comma - [0] [,] [1] ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/15462