Solution 11366:Maximizing a Linear Function with the Inequality Graphing Application on the TI-83 Plus and TI-84 Plus.
...list of application on the calculator. • Select Inequal (or Inequalz). The Inequality Graphing application splash screen is displayed. • Press any key. The Y=Editor screen is displayed. Note that placing the cursor on the = symbol for any Y-variable displays the new relation symbols at the bott...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11366
Solution 30651: Calculating a Median-Median Regression on the TI-83 Plus Family of Graphing Calculators.
...ept). The following example will demonstrate how to calculate a Med-Med regression: X= {15; 25; 50; 50; 75; 80; 95} Y= {4; 9; 20; 31; 55; 42; 73} Key the data into the handheld: 1) Enter STAT edit mode by pressing [STAT], [1]. 2) Enter the data in the L1 and L2 lists, pressing [ENTER] after e...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/30651
Solution 11887: Locating the Equal Sign on the TI-83 Family, TI-84 Plus Family, or TI-Nspire™ Handheld in TI-84 Plus Mode.
...ire handheld in TI-84 Plus Mode? On these units, the "equals" sign ([=]) is located in the [TEST] menu. This menu is a [2nd] function of the [MATH] key. Please see the TI-83 family and TI-84 Plus family guidebooks for additional information. TI-Nspire users may refer to the TI-84 Plus family g...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11887
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 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 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 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 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 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 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 12093: Displaying Asymptotes on the TI-89 Family, TI-92 Plus, and Voyage™ 200 Graphing Calculators.
... plots a series 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 verti...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.
...ction x^2+.5y^2=30 without solving for x or y. Follow the steps below: • Press [MODE]. The Graph setting should be blinking. • Press the right arrow key. • Select 5: 3D and press [ENTER][ENTER]. • Press the green diamond key and then [F1]. • Next to z1(x,y)= input x^2+.5y^2-30. • Press [F1]. • Se...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/15346
Solution 11803: Viewing the Top or Bottom of a Large Matrix Result on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...the screen, follow the steps provided below. • Press the up arrow so that the visible part of the matrix is highlighted. • Press and hold the shift key (Up Arrow), which is locate to the right of the [2nd] key (For the TI-92 family and Voyage 200, the shift key is located above the ON key). • Th...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11803
Solution 12091: Creating a Histogram Using the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
... now show the dialog box with the stat plot options. Fill in the following options. • Press [ENTER] [ENTER] to save these settings.• Press [diamond key] [GRAPH] to view the graph. It may be necessary to change the current viewing window by pressing [F2] [9] for a ZoomData fit. Note: What do if...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12091
Solution 11835: Decreasing the Calculation Time Needed for the nSolve() Function on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...re applying the search technique. Depending on the equation, this simplification can take significant time. For example, solving the Time-Value-of-Money equation for the interest rate can cause expansion of a high-degree polynomial. Func-type user-defined functions are not simplified prior to the...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11835
Solution 12088: Correcting a "Domain Error" when Performing Number Base Conversions on the TI-89 Family, TI-92 Plus and Voyage™ 200 Graphing Calculators.
...ror when performing a base conversion. To check the mode setting:• Press [MODE].• Scroll down to the Exact/Approx setting. • Press the right arrow key.• Select EXACT or AUTO. Another possibility is that the number being entered is not a integer. The TI-89, TI-89 Titanium, TI-92 Plus, and Voya...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12088
Solution 12058: Fractions with the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
... the [MODE] menu and change the Exact/Approximate setting to Exact. Examples: Calculate 3/4 + 7/5 (Answer: 43/20) 1) Input 3, press the division key, input 4. 2) Press the [+] key. 3) Input 7, press the division key, input 5. 4) Press the [ENTER] key. 5) To view the mixed number, input propFr...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12058
Solution 12081: Graphing Inequalities on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...elow will demonstrate how to graph a simple inequality using these features. Example: Graph y<=3x+2 On the graphing calculator: 1) Press [Diamond Key] [Y=], and next to y1=, input 3x+2 then press [ENTER]. 2) Press the [Up Arrow] once to highlight the "3x+2". 3) Press [2nd] [F1] to open the "S...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12081
Solution 12057: Fraction to Decimal Conversions on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
... the TI-89 family, TI-92 family, and Voyage 200 graphing calculators? The TI-89 family, TI-92 family, and Voyage 200 do not have fraction conversion keys. However, conversions can still be performed on these calculators. To convert a decimal number to a fraction: 1) Press [MODE]. 2) Scroll dow...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12057