Solution 11758: Functionality of the Function Keys [F1 - F5] on the TI-83 Family, TI-89 Family, TI-92 Family and Voyage™ 200.
...he function keys [F1 - F5] are used to access certain menus and commands. Some calculator software applications (apps) will display "softkeys" on the screen that will correspond to these function keys. Also, keep in mind that on some graphing calculator models, the [ALPHA] key must be pressed pri...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11758
Solution 30651: Calculating a Median-Median Regression on the TI-83 Plus Family of Graphing Calculators.
... To set up the Stat Plot, please follow the steps below: 1) Press [2nd] [STAT PLOT]. 2) Choose [1:Plot1]. 3) Select ON and press [ENTER]. 4) Select Scatter Plots and press [ENTER]. 5) Make Xlist = L1 and Ylist = L2. Please Note: Mark may be set to the first setting. To graph the linear regr...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/30651
Solution 11748: Explanation of r^2 and R^2 on the TI-83 Family or TI-84 Family Graphing Calculator.
...ly indicates what proportion of the total variation in the response Y is explained by the fitted model. (Probability and Statistics for Engineers and Scientists, 4th edition, Walpole and Myers, pp. 393 and 423)The reason that R2 is used instead of r2 for quadratic (QuadReg), cubic (CubicReg), and...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11748
Solution 34921: Graphing a Vector on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...degrees. To convert the vector to rectangular coordinates: 1) Press [MODE] and make sure that the DEGREE mode is selected. If DEGREE is not selected, scroll down and over to DEGREE and press [ENTER], then press [2nd] [MODE] to return to the home screen. 2) Press [2nd] [APPS] [7] to access the ANG...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34921
Solution 34920: Graphing an Inequality Containing the Absolute Value on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
... instructions below demonstrate how to input and graph the abs( or absolute value function: Example: Graph |2x+3|>9 • Press [Y=]. • Press [MATH]. • Scroll right to highlight NUM and press [1] to select abs(. • Press [2] [X,T,θ,n] [+] [3]. Next for the TI-84 Plus Family: Press [Right Arrow...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34920
Solution 11893: Saving Text to a TI Graphing Calculator.
...cedure for the TI-82, TI-73, TI-83 Family, TI-84 Plus Family or TI-Nspire™ Handheld in TI-84 Plus Mode: Creating a new program: 1) Press [PRGM] 2) Scroll to NEW, then press [ENTER] 3) Input the program name, then press [ENTER] 4) Now input the text information Viewing/editing an existing pr...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11893
Solution 34913: Correcting the "WINDOW RANGE" Error When Graphing on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...OW RANGE error, the default WINDOW values will need to be restored using the ZStandard (ZoomStandard) command (see steps below): 1) Press [ZOOM]. 2) Scroll down to 6:ZStandard and press [ENTER]. The default settings for the WINDOW values are: Please see the TI-83 Plus and TI-84 Plus Family g...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34913
Solution 34893: Disabling the STAT Wizards on the TI-84 Plus Family of Graphing Calculators.
...isable 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 see the TI-84 Plus Family guidebooks for addition...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34893
Solution 34922: Graphing a Line Using Two Points on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...st remembering to press [ENTER] after each value. 3) Input the values 7 and 8 under the L2 list. 4) Press [2nd] [MODE] to QUIT and return to the home screen. 5) Press [2nd] [Y=] to access the STAT PLOT setup menu. 6) Press [ENTER] to select Plot1 for edit. 7) Turn the plot on by pressing [ENTER] ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34922
Solution 10446: Storing and Solving Formulas on the TI-86 Graphing Calculator.
... a TI-86? The example below shows how to solve an equation on the TI-86: Example: Solve for K in the formula P= K^2*Q/2 Solution: 1) On the home screen, type P= K^2*Q/2 2) Press [ENTER]. The display screen will say "Done." 3) Press [2nd] [SOLVER]. 4) Press [F1]. P should appear here. 5) Pres...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10446
Solution 13344: Calculating lcm() (Least Common Multiple) of Two Arguments on the TI-89 Family, TI-92 Family and Voyage™ 200 Graphing Calculators.
... 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) Use the directional keys or press [AL...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.
...ss the catalog/variables. 2) Select the catalog by pressing [F1]. 3) Press the [LOG] key, which corresponds to the letter A. 4) Using the arrow keys, scroll down to the "ASM(" command and press [ENTER]. 5) Now press [PRGM] then [F1] for names. 6) Select the program to execute and press [)]. The d...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.
..., 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 Voyage 20...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/13326
Solution 12651: Clearing the Memory on the TI-81.
... 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 will also show the amount of a...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12651
Solution 10431: Finding the Zero, Minimum, or Maximum of a Function on the TI-85 or TI-86.
...or which the root is being computed by pressing the up or down arrow. The number of the graph selected will be display in the top right corner of the screen. 3) Specify the left bound for x by either moving the trace cursor to the left of the root or by directly inputting a value and pressing [...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10431
Solution 13323: Using the RandMat() Function on the TI-89 Family, TI-92 Family and Voyage™ 200 Graphing Calculators.
...9 of the specified dimension. Reference the example provided below. Ex. Create a random generated matrix with 3 rows and 3 columns. • From the HOME screen press [2ND] [MATH] • Select 7:Probability and 7:randMat( • Press [3] [,] [3] and [ENTER] to display the matrix solution For additional ins...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/13323
Solution 12650: Calculating Trigonometric Functions on the TI-81.
...s changes the mode from a default of radian to degree for the measurement of angles. 3) Press the [2nd] key and the [CLEAR] key to return to the home screen. 4) Sin of 30 degrees is equal to (.5) in degrees to enter this press the [SIN] key and then enter 30. 5) Next press the [ENTER] key. 6) Cos...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12650
Solution 10425: Finding the Absolute Value or Argument of a Complex Number on the TI-86.
...hows how to find the absolute value (argument) of an imaginary number. Example: Find the absolute value of 53-22i Solution: • Press [2nd][MODE] • Scroll down to PolarC and press [ENTER] • Press [2nd][MATH] • Press [F1] • Press [F5] • Input after abs (53, -22) and press [ENTER] The answer is 5...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10425
Solution 12649: Calculating One-variable Statistics on the TI-81.
... How do I calculate one-variable statistics on the TI-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 a...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12649
Solution 12648: Calculating Linear Regressions on the TI-81.
...he TI-81: Data for this example:xStat: {1,4,8,10}yStat: {7,9,15,18} Enter the data into the TI-81:1) Enter STAT edit mode by pressing [2nd] [STAT].2) Scroll to DATA.3) Press [1].4) Enter the data as x-y coordinates 1 [ENTER] 7 [ENTER] 4 [ENTER] 9 [ENTER] 8 [ENTER] etc.5) Press [2nd][QUIT] to leav...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12648
Solution 13180: Sharing Applications Between the TI-89 Family Graphing Calculators.
...r that will be receiving the App: 1) Press [2ND] [VAR-LINK] [F3] to access the link menu. 2) Select option 2:Receive and the bottom of the calculator screen will display VAR-LINK: WAITING TO RECIEVE BUSY. On the calculator that will be sending the App: 1) Press [2ND] [VAR-LINK] to access the link...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.
... Knowledge Base Knowledge Base Search How can I graph functions using the TI-80 or TI-81? The TI-80 has been discontinued. When upgrading, consider the TI-73 Explorer™. The TI-73 Explorer is completely compatible with curricular materials for upper elementar...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12645
Solution 10417: Calculating Two-Variable Statistics on the TI-86
...4) Press [2nd] [QUIT] to leave the editor.Calculate the statistical variables:1) Press [2nd] [STAT] [F1] [F2]; the function TwoVar will appear on the screen. 2) Press [2nd] [LIST] [F3] to see the list names in the menu. 3) Select xStat [,] yStat [ENTER] the screen will now show the two variable s...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10417
Solution 13062: Solving a System of Equations on the TI-89 Family, TI-92 Plus, and Voyage™ 200 Using the Gauss-Jordan method.
...reduced row echelon form:• Press [HOME].• Press [2ND] [MATH] [4] [ALPHA] [J] [2].* Note: You can quickly access the command by pressing [CATALOG] and scrolling down to find it.• Press [ALPHA] [B] [ALPHA] [B] [,] [2] [,] [1] [)].• Press [STO►] [ALPHA] [B] [ALPHA] [B].• Press [ENTER].• Press [2ND] ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/13062
Solution 10424: Degree, Minutes, Seconds (DMS) Conversions with the TI-85 or TI-86.
...r that is written in decimal degrees to DMS, use the [>DMS] function, found in the MATH, ANGLE menu. To convert an answer that is displayed on the screen in DMS format to decimal degrees, press [2nd] [ANS] [ENTER]. Below is an example of how to add numbers in DMS format.Please see the TI-86 g...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10424