Solution 11366:Maximizing a Linear Function with the Inequality Graphing Application on the TI-83 Plus and TI-84 Plus.
...83 Plus and TI-84 Plus? Refer to the example below to maximize a linear function with the Inequality Graphing application. Example: Maximize the profit, P= 3X+2Y, for quantities of two products, X and Y, given the following constraints on materials and time: X30, Y30 Y+X≥10 3X+Y≥15 Solution: ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11366
Solution 11362: Using the TI TestGuard™ Application to Clear the RAM and Archive Memory on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...I TestGuard App deletes programs, lists, applications, and other stored data from a student's calculator. Teachers also have the option to leave specific Apps on student calculators. In addition, TI TestGuard App uses a password feature to confirm that the calculators have been cleared as setup b...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11362
Solution 11761: Graphing a Circle on a TI Graphing Calculator.
... the form Y in terms of X. In order to graph a circle, the function for a circle would need to be solved for Y. To graph the unit circle (x2+y2=1), first, solve for y, and then input the results into the Y= Editor. If the graph looks like an oval, use the Zoom Square feature followed by Zoom I...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11761
Solution 11759: Graph of the Absolute Value of the Square Root of X Differs on the TI-83 Family, TI-84 Plus C Silver Edition, or TI-84 Plus Family Graphing Calculator and on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...ly, TI-92 Family, and Voyage 200. The TI-89 family, TI-92 family, and Voyage 200 do not require that the intermediate results be real, only that the final result be real. Graphs of the function in imaginary and real modes will differ based on the calculation requirements of the TI-83 family, TI...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11759
Solution 11758: Functionality of the Function Keys [F1 - F5] on the TI-83 Family, TI-89 Family, TI-92 Family and Voyage™ 200.
... the function keys [F1 - F5] serve on my graphing calculator and how are they used? The 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, kee...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.
...owledge Base Search How do I calculate a Median-Median Regression on the TI-83 Plus family of graphing calculators? Med-Med (median-median) fits the model equation y=ax+b to the data using the median-median line (resistant line) technique, calculating the summary points x1,y1,x2,y2,x3 a...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/30651
Solution 11893: Saving Text to a TI Graphing Calculator.
...GM] [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. Procedure for the TI-92: Opening a new file in the text editor: 1) Press [APPS]...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.
...ings need to be adjusted. To correct the WINDOW 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: P...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34913
Solution 34922: Graphing a Line Using Two Points on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...elect Plot1 for edit. 7) Turn the plot on by pressing [ENTER] when "On" is highlighted. 8) Scroll down to "Type:", highlight the second option on the first row and press [ENTER]. This will setup the stat plot to graph an x-y line. 9) Scroll down to "Xlist:" and press [2nd] [1] to input L1. 10) Sc...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34922
Solution 12653: Converting Decimal Numbers Into Fractions on the TI-81.
...ecimal numbers into fractions. To have this functionality, please consider upgrading to Texas Instruments latest line of graphing calculators.You can find more information regarding these handhelds on the products page. Solution 12653: Converting Decimal Numbers Into Fractions on the TI-81. ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12653
Solution 13342: Using the Exact() Function on the TI-89 Family, TI-92 Family and Voyage™ 200 Graphing Calculators.
...mode arithmetic regardless of the Exact/Approx mode setting to return, when possible, the rational-number equivalent of the argument. Note: tol specifies the tolerance for the conversion; the default is set to 0(zero). Refer to the examples provided below. Ex.1 exact(.25) [ENTER] Ex.2 exact...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/13342
Solution 10442: Executing TI-Basic and Assembly (ASM) Programs on the TI-86.
...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 display should now read: 7...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10442
Solution 13323: Using the RandMat() Function on the TI-89 Family, TI-92 Family and Voyage™ 200 Graphing Calculators.
...he randMat() function is listed below. randMat(numRows,numColumns) The randMat() function returns a matrix of integers between -9 and 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 pres...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/13323
Solution 13321: Using the Rand() Function on the TI-89 Family, TI-92 Family and Voyage™ 200 Graphing Calculators.
...I-92 family and Voyage 200 graphing calculators? The syntax for the rand() function is listed below.rand([n])Where n is an integer ¹ 0 • With no specified n, rand() returns the next random number between 0 and 1 in the sequence. Ex. rand(6) may return the result of 5• When n is a positive value, ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/13321
Solution 13305: Inserting and Deleting a Row, Column, or Cell in the Data/Matrix Editor on the TI-89 Family, TI-92 Family and Voyage™ 200 Graphing Calculators.
... [2nd][F6] and select 1:Insert 3) Select either 2:row or 3:column Please Note: When inserting a row in a list or data variable, the row is undefined. When inserting a row in a matrix variable, the row is filled with zeros. When inserting a column in a data variable, the column is blank. Wh...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/13305
Solution 12648: Calculating Linear Regressions on the TI-81.
...lculator will display the form of the equation (y=a+bx) and then list the values for a and b (5.0256 and 1.2564 respectively) and the correlation coefficient (r) .9885.For more information regarding your Texas Instruments graphing calculator, please refer to the guidebooks section. Solution 1264...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12648
Solution 12060: Interpolation Calculations on the TI-89 Family, TI-92 Family, and Voyage™ 200.
...family, TI-92 family, or the Voyage 200 have a built-in interpolation function. However, students, educators, and other users of the TI-89 family may find third-part sources available on the Internet for retrieval of a user-defined interpolation program for the TI-92 family and Voyage 200. Solu...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12060
Solution 13180: Sharing Applications Between the TI-89 Family Graphing Calculators.
...he 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, press [F3] and select option 1:Send to begin the transfer process. Please see the TI-89 family guidebook for additional information. Solu...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.
...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 elementary through lower middle grades, from fractions through pre-algebra. Follow these ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12645
Solution 12217: Locked Variables Are Not Displayed in Open Dialog Box Choices on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculator.
... on a copy of the variable, but the variable itself). To edit locked variables, unlock the variable from either the VAR-LINK menu or use the "Unlock" command. Below is an example of unlocking a variable from the VAR-LINK menu: Below is an example of unlocking a variable using the "Unlock" com...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12217
Solution 14240: Converting Between Fractions and Decimals on the TI-73 Explorer™.
...l equivalent of a decimal does not exist, the calculator returns the same digits. The calculator also only recognizes and converts (if possible) the first ten digits of any decimal. The Decimal Notation mode determines the display of the result. The image below depicts some of the conversion op...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/14240
Solution 11827: Calculating the Determinant of a Matrix Using the TI-89 Family, TI-92 Family and Voyage™ 200 Graphing Calculators.
...the determinant of a matrix using the TI-89 family, TI-92 family and Voyage™ 200 graphing calculators? The instructions below will show users how to find the determinant of a matrix using the TI-89 Titanium, TI-92 family and Voyage™ 200. Example: What is the determinate of matrix b? Solution...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11827
Solution 12171: Use of the Angle( Function on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...phing calculators? The angle( functions returns the angle, list, or matrix of angles of an expression, list or matrix, interpreting each element as a complex number that represent a two-dimensional rectangular coordinate point.The syntax is:angle(expression).angle(list).angle(matrix)Examples:• In...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12171
Solution 11819: Algorithm for Solving Systems of Equations on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...re systems of equations solved on the TI-89 family, TI-92 family, and Voyage 200 graphing calculators? solve() and cSolve() functions return real or complex solutions of linear or nonlinear systems of equations. For linear or polynomial systems, the Gaussian or Groebner elimination method is use...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11819
Solution 15468: Unlocking a Program on the TI-89 Family, TI-92 Family and Voyage™ 200 Graphing Calculators.
... How can I unlock a program on the TI-89 Family, TI-92 Family, and Voyage 200? Program authors usually lock programs to prevent access or modification to the existing programming code. However, a program can be unlocked on the TI-89 Family, TI-92 Family and Voyage 200 calculators by follo...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/15468