Solution 11748: Explanation of r^2 and R^2 on the TI-83 Family or TI-84 Family Graphing Calculator.
...ng calculator? The following information details when r2 and R2 are computed using a TI-83 family or TI-84 family graphing calculator.When regression models are executed, a TI-83 family or TI-84 family graphing calculator computes and stores diagnostics values for r (correlation coefficient) and ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11748
Solution 34920: Graphing an Inequality Containing the Absolute Value on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...How can I graph an inequality containing the absolute value on the TI-83 Plus and TI-84 Plus family of graphing calculators? The 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 hig...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34920
Solution 34918: Calculating Derivatives on the TI-84 Plus Family of Graphing Calculators.
...s can only calculate numeric derivatives. Please refer to the example below. Example: Find the numeric derivative of f(x)=x² at x=2 Using MATHPRINT Mode: 1) Press [MATH]. 2) Press [↓] until 8:nDeriv( is selected and press [ENTER]. 3) Press [X,T,θ,n] [X,T,θ,n] [x²] [→] [2] [ENTER]. Using ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34918
Solution 11893: Saving Text to a TI Graphing Calculator.
...ducts Knowledge Base Knowledge Base Search How do I save text to a TI graphing calculator? For the following models of TI graphing technology, use the program text editor to save text on a graphing unit. To access the program text editor, a user must creat...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11893
Solution 28370: Redeeming Technology Rewards Points For Professional Development Courses
... the a Teacher Leader Cadre 9-Day Course or a T^3 International Conference. Each different conference or course requires the redemption of a certain amount of TI TRP points. To view the point totals needed for redemption, click here. Process For Redeeming TI TRP Points For Professional Developme...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/28370
Solution 34922: Graphing a Line Using Two Points on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...Search How do I graph a line using two points on the TI-83 Plus and TI-84 Plus family of graphing calculators? The following example will demonstrate how to graph a line using two points. For Example: Graph a line connecting the points (3,7) and (5,8). Data for this example: L1: {3,5}...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.
... [ENTER]. The display screen will say "Done." 3) Press [2nd] [SOLVER]. 4) Press [F1]. P should appear here. 5) Press [ENTER] to open the equation. 6) Move the cursor to exp= and input the value of P. 7) Move te cursor to Q= and input the value of Q. 8) Move the cursor to K= and press [F5]. Fo...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10446
Solution 12653: Converting Decimal Numbers Into Fractions on the TI-81.
Solution 12653: Converting Decimal Numbers Into Fractions on the TI-81. Solution 12653: Converting Decimal Numbers Into Fractions on the TI-81. global Solution 12653: Converting Decimal Numbers Into Fractions on the TI-81. website ...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.
...re listed below. exact(expression1[,tol]) exact(list1[,tol]) exact(matrix1[,tol]) The exact() function ensures that the calculator uses the Exact mode arithmetic regardless of the Exact/Approx mode setting to return, when possible, the rational-number equivalent of the argument. Note: tol sp...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/13342
Solution 13326: Using the RandSeed Function on the TI-89 Family, TI-92 Family and Voyage™ 200 Graphing Calculators.
...andom-number generator functions rand(), randMat(), randNorm() and randPoly()) to number. If number is = 0, the calculator sets the seeds to the factory for the random-number generator.If number is ¹ 0, it is used to generate two seeds, which are stored in system variables seed1 and seed2. Exampl...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/13326
Solution 10431: Finding the Zero, Minimum, or Maximum of a Function on the TI-85 or TI-86.
... the TI-85 or TI-86? To find the zero, minimum, or maximum of a function, first we will have to graph it. Example: With the graph displayed, press [MORE] [F1] to access the MATH menu. Under the MATH menu, ROOT (zero) is over [F1], FMIN (minimum) over [F4] and FMAX (maximum) over [F5]. To find ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10431
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.
...rting a Row or Column: The new row or column is inserted before the row or column that contains the highlighted cell. In the Data/Matrix Editor: 1) Move the cursor to any cell in the applicable row or column 2) Press [2nd][F6] and select 1:Insert 3) Select either 2:row or 3:column Please...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/13305
Solution 12648: Calculating Linear Regressions on the TI-81.
... Knowledge Base Knowledge Base Search How do I calculate a Linear Regression using the TI-81? The example below will demonstrate how to perform a linear regression using the TI-81: Data for this example:xStat: {1,4,8,10}yStat: {7,9,15,18} Enter the data into the TI-...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12648
Solution 12645: Graphing a Function on the TI-80 and TI-81.
...n 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 steps to graph a function using the TI-80 or TI-81: • Press [Y=].•...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12645
Solution 12184: Algorithm for the Exec Command on the TI-89 Family, TI-92 Family and Voyage™ 200 Graphing Calculators.
...x for the Exec function is provided below:Exec string [, espression1] [, expression2]...The Exec function executes a string consisting of a series of Motorola 68000 op-codes. These codes act as a form of an assembly-language program. If needed, the optional expressions enable users to pass one or...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12184
Solution 14240: Converting Between Fractions and Decimals on the TI-73 Explorer™.
...or 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 options available: Example 1: Converting a fraction ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/14240
Solution 11832: Correcting an "Undefined Variable" Error on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
... [6] (MEM) [F1] [ENTER]. 2) Select 2:Default. 3) Press [ENTER] and Defaults Set is displayed. 4) Press [ENTER]. Once the defaults have been reset, try the problem again. Please see the TI-89 family, TI-92 family and Voyage 200 guidebooks for additional information. Solution 11832: Correcting a...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11832
Solution 16829: Availability of the TI-86 Finance Application.
...application 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 regar...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/16829
Solution 12176: Using the Numeric Solver on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...if the Apps Desktop is turned off. If the Apps Desktop is on, press [APPS] and select Numeric Solver. 2) At eqn: press [3] [0] [=] [5] [X] [ENTER].3) Move the cursor to the unknown variable and press [F2].The displayed answer will show 6.Please see the TI-89 family, TI-92 family and Voyage 200 gu...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12176
Solution 14291: Performing Cosecant, Cotangent and Cosine Functions on the TI-89 Family, TI-92 Plus and Voyage™ 200.
...mple 3: Inputting csc(60) will return the result of 1.1547. Please Note: The results provided above are based on the calculator being in DEGREE Angle mode and APPROXIMATE Exact/Approx mode. 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/14291
Solution 12171: Use of the Angle( Function on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...ex number that represent a two-dimensional rectangular coordinate point.The syntax is:angle(expression).angle(list).angle(matrix)Examples:• In Degree mode,angle(0+2i)[ENTER] will return 90.• In Radian mode,angle(1+i)[ENTER] will return p/4.• In Radian mode,angle({0+2i,3+0i,0+4i})[ENTER] will retu...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12171
Solution 16510: How To draw a vertical line on a TI-86.
... How do I draw a vertical line on a TI-86? To draw a vertical line on the TI-86, there are two options: First on the graph itself: • Press [MORE]. • Press [F2] for the Draw function. • Press [F3] for the Vertical line. • Use the left and right arrows to move the line to where you wan...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/16510
Solution 11825: Axes do not Appear on the TI-89 Family, TI-92 Family, or Voyage™ 200 Graphing Calculators.
... How can I make the axes appear when graphing using the TI-89 family, TI-92 family, or Voyage 200 graphing calculators? The instructions will demonstrate how to make the x-axis and y-axis appear on the TI-89 family, TI-92 family, and Voyage 200 when graphing. The axes need to be turned on...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11825
Solution 16189: Creating a 3D Graph of a Surface On a TI-89 Family, TI-92 Family, or Voyage™ 200 Graphing Calculator.
...the below example for graphing a surface in 3D on a TI-89 family, TI-92 family, or Voyage 200 graphing calculator: Example: Graph z=y^2-x^2 1) Press [MODE] in 'Graph' select 5:3D then press [ENTER] [ENTER] to change the mode to 3D. 2) Press [♦][Y=]. 3) Input the equation [y][^][2][-][x][^][2] in ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/16189
Solution 12165: The cFactor() function on The TI-89 Family, TI-92 Plus, and Voyage™ 200 Graphing Calculators.
...nal. When used without precising the variable, the cFactor(expression1) returns the expression1 factored with respect to all its variables over a common denominator. expression1 is factored as much as possible toward linear rational factors even if this introduces new non-real numbers. This alte...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12165