Solution 11720: Calculating Y-Hat Values on the TI-83 Plus Family of Graphing Calculators.
...egression equation for a data set, it is helpful to know what y-value the regression equation would predict for any x-value from the data set. This corresponding y-value is denoted y-hat. Y-hat values are calculated by substituting the x-values from the data set into the regression equation. To c...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11720
Solution 12218: Median-Median Line Algorithm on TI Graphing Calculators.
...he approach chosen was to fill the outside groups first and allocate the remaining data points to the center group. If the center group is empty, an error message is generated. The reason equal x values are not split up is to ensure that the same results are produced regardless of the order the d...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/12218
Solution 16069: Capturing Calculator Screen Images Using the TI-SmartView™ for the TI-84 Plus Family Software.
... Knowledge Base Search How can I capture calculator screens using TI-SmartView for the TI-84 Plus family software? Users can capture the current calculator screen image using the TI-SmartView screen capture tool. When users capture a screen, the Screen Capture window is displayed. In t...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/16069
Solution 11933: Calculating Two-Variable Statistics on the TI-83 Plus Family of Graphing Calculators.
...ss [ENTER] after each entry. 3) Press [2nd] [MODE] to QUIT and return to the home screen. Calculating the two-variable statistics: 1) Press [STAT], arrow right to highlight the CALC menu and press [2] to select the 2-Var Stats function. 2) Press [2nd] [1] [,] [2nd] [2] to input L1,L2. 3) Pre...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11933
Solution 11709: Calculating the Summation of a Sequence Using a TI-83 Family Graphing Calculator.
...up the first n terms in an algebraic sequence.For Example:Evaluate Σ (I+2) from I=0 to I=5:Solution:1) On the home screen, press [2ND] [LIST] [Right Arrow] [Right Arrow] [5] to select 5:sum( List MATH Menu.2) Press [2ND] [LIST] [Right Arrow] [5] to select 5:seq( from the List OPS Menu.3) Input th...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11709
Solution 11700: Calculating Permutations and Combinations Using the TI-83 Family, TI-84 Plus Family, and TI-Nspire™ Handheld in TI-84 Plus Mode.
...andheld in TI-84 Plus mode. Example: How many possible permutations of 2 cards can be chosen from a deck of 5 cards? 1) Input 5. 2) Press [MATH], arrow left to highlight PRB, then press [2] to select the nPr function. 3) Input 2 and press [ENTER]. There are 20 possible permutations of choosi...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11700
Solution 11693: Algorithm for Solving Trigonometric Functions (Sine, Cosine and Tangent) on Texas Instruments' Graphing Calculators.
...d "rotate" a vector over this angle towards zero in a series of steps such that the sum of all the steps taken equals theta and we can accumulate corresponding X and Y increments for each step such that when we complete the process, Y/X = tan(theta). Variations of this basic concept can resul...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11693
Solution 13924: TI TestGuard 2.0™Quick Start Instructions.
...e TI TestGuard 2.0 app to get the student calculators ready for exams, follow the steps below. The TI TestGuard 2.0 app is designed to only be transferred to an educator's calculator. • Press the [APPS] key and select the "TestGrd2" app. • Select 1: Setup Calcs. • Either choose DELETE, then choos...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/13924
Solution 11582: Finding the Zero of a Function on the TI-83 Plus and TI-84 Plus.
...Y=]. 2) Enter the function. 3) Press [GRAPH]. 4) Press [2nd] [CALC] [2]. 5) When prompted for "Left Bound?", specify the left bound for x using the arrow keys or enter a value and press [ENTER]. 6) When prompted for "Right Bound?", specify the right bound for x using the arrow keys or enter a va...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11582
Solution 15302: Connecting a TI-83 Plus Family or TI-84 Plus Family Calculator to the TI-SmartView™ 3.1 Emulator Software.
...is connection and then click the "Select" button.• Put the TI-SmartView 3.1 emulator software into "receive" mode by pressing [2nd] [X,T,Ө,n] [right arrow key] [ENTER].• To send a program from the TI-83 Plus/TI-84 Plus family calculator, press [2nd] [X,T,Ө,n] [3] to access PRGM in the LINK menu. ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/15302
Solution 11774: Inserting TI-83 Family and TI-84 Plus Family Calculators Key Symbol Into a Microsoft® Word Document.
...soft® Word. • Place the cursor where the symbol should be inserted. • Click Insert>> Symbol. • In the Symbol window, under the Font field, click the arrow and select TI83Key. • Select the key to insert and click Insert. Note: Another option is to use the system Character Map to insert the symbol...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11774
Solution 11517: Updating a TI Graphing Calculator Operating System Using TI Connect™ for Windows®.
...l use data on the calculator. This will also cause a warning to appear, click [OK] to continue installing the OS. Additional Note: USB communication error: Protocol ID not recognized (8C080009) will appear if you attempt to upgrade the OS of a TI-Nspire with a TI-84 Plus Keypad. To upgrade a TI-N...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11517
Solution 11425: Sending the DataMate™ App or Program to a Graphing Calculator.
...family. • Connect the calculator to the CBL 2 with the unit-to-unit cable. • Put the calculator in receiving mode by pressing [2nd][LINK], the right arrow key and then [ENTER]. In receiving mode, the TI-83 Plus/TI-83 Plus Silver Edition or TI-84 Plus family calculator should display the message "...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11425
Solution 11366:Maximizing a Linear Function with the Inequality Graphing Application on the TI-83 Plus and TI-84 Plus.
... X-variables and Y-variables that are a part of the intersection are displayed at the top left corner (in this case Y1 and Y2). Press the up or down arrows keys to move for one X or Y function to the next. Press the right or left arrows keys to move from one point to another along the same X or Y...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11366
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.
...er Edition, or TI-84 Plus family calculator is in real mode when solving for the absolute value of the square root of a negative number, the message ERR:NONREAL ANS is displayed. This is because an intermediate answer, the square root of a negative number, is imaginary. If the TI-83 family, TI-84...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11759
Solution 11576: Algorithm Used for Calculating the Sine Regression On the TI-86, TI-83 Family, or TI-84 Plus Family.
...es for the sine formula that best fit the x,y data lists. More formally, best is defined to be the values that makes the following sum of the square error function as small as possible.J = sum[ (a*sin(b*x(k) + c) + d - y(k))^2 ], for k = 1,2,...,nSolving this equation for the a,b,c,d parameters t...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11576
Solution 11758: Functionality of the Function Keys [F1 - F5] on the TI-83 Family, TI-89 Family, TI-92 Family and Voyage™ 200.
...1 - 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 prior to accessing the...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11758
Solution 11752: Calculating Derivatives on the TI-83 Plus Family of Graphing Calculators.
...culators can only calculate numeric derivatives. For Example: Find the numeric derivative of f(x)=x² at x=2 1) Press the [MATH] key. 2) Press [Down Arrow] until 8:nDeriv( is selected and press [ENTER]. 3) Press [X,T,θ,n] [x²] [,] [X,T,θ,n] [,] [2] [)] [ENTER]. Additional Note: The TI-83 Plus f...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11752
Solution 36978: Cannot transfer .ZIP files to and from the TI-84 Plus CE™ using the TI-Connect CE™ software
...using the TI-Connect CE™ software? Texas Instruments is aware of the reported problem and may be resolved at the earliest in a future release. The current workaround is to unzip these files to a specific location such as your desktop and then transfer the unzipped files from that location to you...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/36978
Solution 11749: Factorials of Decimal (0.5) Numbers on Texas Instruments Graphing Calculators.
... the calculation. Hence: n! = n*(n-1)*(n-2)*...*2*1, if n is an integer >= 0 n! = n*(n-1)*(n-2)*...*1/2*(p), if n + 1/2 is an integer >= 0 n! is an error otherwise. The reason 1/2 factorials are allowed: Computation of the pdf's and cdf's for the t, F and c2 distributions involve the use of the...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11749
Solution 30651: Calculating a Median-Median Regression on the TI-83 Plus Family of Graphing Calculators.
...ch entry. 3) Press [2nd] [QUIT] to leave the editor. To calculate the Med-Med line, please follow the steps below:1) Press [STAT] then the [Right Arrow] to select CALC.2) Press [3] to select Med-Med.3) Press [2nd] [1] [,] [2nd] [2] [,] [Vars] [Right Arrow] to select Y-Vars [1] [1] [Enter] to p...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.
...ng 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 r2 (coefficient of determination) and R2 (coefficient of multiple determination).r2 expresses the proportion of the tota...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11748
Solution 30190: Using The Significant Numbers Calculator From The Science Tools App on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
... How do I use the Significant Numbers calculator from the Science Tools App? Calculations that involve measurements include a certain amount of error. The precision of the measurement determines which digits (known as significant digits or significant figures) should be included when you rep...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/30190
Solution 34920: Graphing an Inequality Containing the Absolute Value on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...TH]. • 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] to move to the right of the absolute value equation. For the the TI-83 Plus Family press [ ) ]. • Press [2ND] [TEST] [3] to select > then...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34920
Solution 28370: Redeeming Technology Rewards Points For Professional Development Courses
...RP, indicating the type of course selected (T^3 3-Day Hands-on-Summer TI-Nspire Institute, T^3 International, etc). 2. Include an email address (preferred) or other contact information with the request and points. 3. Register for the selected course on www.education.ti.com when notification of el...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/28370