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 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 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 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 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 13344: Calculating lcm() (Least Common Multiple) of Two Arguments on the TI-89 Family, TI-92 Family and Voyage™ 200 Graphing Calculators.
...GCD) of their denominators. The LCM of fractional floating-point numbers is their product. For two lists or matrices, lcm() returns the LCMs of the corresponding elements. The proper syntaxes for the lcm() function are as follows: lcm(number1,number2) Þ expression lcm(list1,list2) Þ list...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.
...bove one of the [F1] through [F5] keys depending on the number of programs stored on the calculator. 2) Locate the program to execute and press the corresponding key followed by [ENTER]. The program should now be running. If the program is written in the assembly language type (ASM), follow thes...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.
...enerator.If number is ¹ 0, it is used to generate two 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 [ENTE...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/13326
Solution 12651: Clearing the Memory on the TI-81.
... the home screen. This screen will also show the amount of available memory and how much memory is being used by the STAT editor and the PRGM editor. If option 2. Reset is selected, the memory of the graphing calculator is erased and all defaults are set to factory defaults. If the screen goes en...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.
...[F1] and the Left Bound? prompt is displayed. 2) Move the cursor onto the function for 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 th...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10431
Solution 12177: Using the ZoomBox, ZoomIn, and ZoomOut Tools to Explore a Graph on the TI-89 Family, the TI-92 Family, and the Voyage™ 200.
... Home | Other Graphing Calculator products Knowledge Base Knowledge Base Search What are the differences between the ZoomBox, ZoomIn, and ZoomOut tools on the TI-89 Family, the TI-92 Family, and the Voyage 200? After graphing a function, the...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12177
Solution 14243: Drawing a Pictograph On The TI-73 Explorer™.
...ories on the screen. If the scale is not big enough (the Data List is broken up by more than seven icons) the calculator will display an INVALID DIM error. Please see the below example data for the pictograph: Compare the distances in kilometers between Dallas, Texas and seven other cities in No...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/14243
Solution 12170: Using the "and" Operator on TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...s, the and operator compares them bit-by-bit using an and operation. Internally, both integers are converted to signed, 32-bit binary numbers. When corresponding bits are compared, the result is 1 if both bits are 1: otherwise, the result is 0. The returned value represents the bit results, and i...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12170
Solution 16189: Creating a 3D Graph of a Surface On a TI-89 Family, TI-92 Family, or Voyage™ 200 Graphing Calculator.
...) Press [♦][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: Cre...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.
...ion is factored as much as possible toward factors that are linear in the reference-variable, with perhaps non-real constants, even if it introduces irrational constants or subexpressions that are irrational in other variables. Examples: 1. cFactor( a ^ 3 * x ^ 2 + a * x ^ 2 + a ^ 3 + a, x ) [E...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12165
Solution 11818: Algebra Problem Identities for 00 using the TI-89 Family, TI-92 Family, or Voyage™ 200 Graphing Calculators.
... Knowledge Base Search Why does 0^0 =1 using the TI-89 family, TI-92 family, or Voyage 200? While this was considered a domain error on TI-85, TI-83, and TI-82, there are a number of reasons that algebra problems are handled reasonably with the identity 00=1. 1. Apply the b...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11818
Solution 12096: Graphing a Step Function on the TI-89 Family, TI-92 Family, or Voyage™ 200 Graphing Calculators.
...y). Please Note: If the graphed points appear connected, go back into the Y= Editor screen, highlight the int(x) function by using the directional arrows on the keyboard, Press [F6] for Style ([2nd] [F1] on the TI-89 Family) and select Dot. Please see the TI-89 family, TI-92 family and Voyage 2...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12096
Solution 11814: Sorting Columns in a Data, List, or Matrix Variable Using the TI-89 Family, TI-92 Plus, or Voyage™ 200.
...n a variable 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...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.
...a user-defined function or program that references a local variable that is not initialized is evaluated or executed, the calculator will return the error message Undefined Variable. Below are two examples of functions. In the first function, the local variable is not initialized; in the second, ...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.
...n= -9 and xMax=6.8 will not display the connecting line or "asymptote". In this example, the x range is chosen so that one of the "plotted" points corresponds exactly to x = -3 (which happens to be a simple pole)- One may see this via the trace [F3] feature on the graph screen.Since the function...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.
...by using 3D graphing mode, it is possible to graph implicit 2D without solving for y or x. To be able to graph these functions, users will need to rearrange the implicit form as an equation set to zero f(x,y) - g(x,y)=0. Then enter the non-zero side into the Y= editor. Example: Graph the function...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/15346