Solution 36979: "Unknown device" displays when I connect my TI-84 Plus family graphing calculator to the TI-Connect CE™ software
...d above for the TI-84 Plus family. Note: The TI-Nspire™ Handheld in TI-84 Plus Mode will also display as "Unknown device", TI Connect (v4.0) is the recommended connectivity software for this device configuration. Solution 36979: "Unknown device" displays when I connect my TI-84 Plus family graph...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/36979
Solution 11752: Calculating Derivatives on the TI-83 Plus Family of Graphing Calculators.
... have symbolic manipulation capabilities. They cannot find the symbolic derivative of a function. For a list of TI graphing calculators that have the Computer Algebraic System (CAS) please refer to KB#24631. Please see the TI-83 Plus Family guidebooks for additional information. Solution 11752: ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11752
Solution 11749: Factorials of Decimal (0.5) Numbers on Texas Instruments Graphing Calculators.
...uivalent to (-1/2)!. Hence, providing the ability to do half factorials provides users with the ability to duplicate the pdf computations provided, without having to invent their own factorial or g function. Since degrees of freedom never go below 1, there is no need for anything smaller than (-1...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11749
Solution 21911: nDeriv and Derivative Commands Use Different Algorithms to Compute Answers.
...e based on different algorithms. While the Derivative command solves for the derivative of the function exactly, the nDeriv() command uses the following formula: (f(var+step) - f(var-step))/(2*step) Please Note: On the TI-86, replace 'step' with the tolerance variable. In general, the derivative ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/21911
Solution 34918: Calculating Derivatives on the TI-84 Plus Family of Graphing Calculators.
...ot have symbolic manipulation capabilities and cannot find the symbolic derivative of a function. For a list of TI graphing calculators that have the Computer Algebraic System (CAS) please refer to KB#24631. Please see the TI-84 Plus Family guidebooks for additional information. Solution 34918:...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34918
Solution 34913: Correcting the "WINDOW RANGE" Error When Graphing on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...I-84 Plus Family of Graphing Calculators. global Solution 34913: Correcting the "WINDOW RANGE" Error When Graphing Using a TI-84 Plus C Silver Edition. website Home | TI-83 Plus and TI-84 Plus family of pr...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34913
Solution 34912: Running an Assembly Program on the TI-84 Plus C Silver Edition, TI-84 Plus and TI-83 Plus.
...program on the TI-84 Plus C Silver Edition, TI-84 Plus and TI-83 Plus, please follow the steps below: • Press [2nd] [CATALOG]. • Press [↓] until Asm( command is selected and press [ENTER]. • Press [PRGM] and select the name of the program under the EXEC menu. • Press [ENTER]. • The display will r...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34912
Solution 10443: Sending a Program From a TI-86 to a TI-85 Using a TI Connectivity Cable.
...wever, TI-86 programs written in TI-BASIC can be sent to a TI-85 using a TI Connectivity cable by following the steps below:• Send the program to the computer using the TI-86 GRAPH LINK software and TI Connectivity cable. • On the TI-86 GRAPH LINK software, Go to File, Open, Locate the name of th...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10443
Solution 10431: Finding the Zero, Minimum, or Maximum of a Function on the TI-85 or TI-86.
...the zero of the function: 1) Press [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...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10431
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 12184: Algorithm for the Exec Command on the TI-89 Family, TI-92 Family and Voyage™ 200 Graphing Calculators.
...at a backup of programs and data are created prior to usage of this command.Please see the TI-89 family, TI-92 family and Voyage 200 guidebooks for additional information. Solution 12184: Algorithm for the Exec Command on the TI-89 Family, TI-92 Family and Voyage™ 200 Graphing Calculators. ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12184
Solution 12095: Finding Limits with Direction on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...ts with direction on these calculators. Example: Find the limit of x/(x-3) as x approaches 3 from the left, right, and both sides. To find the limit command, please press [F3:Caclulus] and select [3:limit(]. From the left: limit(x/(x-3),x,3,-1) (-1 was arbitrarily chosen to specify the left dir...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12095
Solution 11852: Algorithm for tCollect() Function on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...lect( function is defined as follows: tCollect( repeatedly uses the well-known formulas for products and integer powers of sines and cosines, such as those given in the CRC tables.Please see the TI-89 family, TI-92 family and Voyage 200 guidebooks for additional information. Solution 11852: Algo...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11852
Solution 12059: Implicit Partial Differentiation on the TI-89 Family, TI-92 Family, or Voyage™ 200 Graphing Calculators.
...amily, TI-92 family, or Voyage 200 graphing calculators? The latest versions of the Voyage 200 and TI-89 Titanium operating system contain a impdif ( command. This command should be used when computing a implicit partial differentiation. To access the command, press [F3] [Up Arrow] [Enter] on ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12059
Solution 11868: Certain Polar Values Not Computed on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...ular form, then the computation (a * b) / (a + b) is performed. Finally, the resulting rectangular complex number is converted to polar form. It is a difficult process and takes several minutes to compute. Simple looking inputs may generate very large exact outputs and may take a great deal of ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11868
Solution 11753: Finding the Area Between Two Curves on the TI-89 Family, TI-92 Plus, and Voyage™ 200.
...ay.• Repeat this procedure for both intersections and copy down the points on a scratch sheet of paper.For this example, the intersection points will come out to be (-3,-9) and (4,5).• Press [HOME] to go to the Home screen.• Press [CLEAR] to clear the entry line, if necessary.• Press [2nd] [MATH]...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11753
Solution 12130: Difference Between the FIX and FLOAT Display Digits Mode Settings on the TI-89 Family, TI-92 Family and Voyage™ 200 Graphing Calculators.
...ngs which will apply to all exponential formats.Internally, the device calculates and retains all decimal results with up to 14 significant digits (although a maximum of 12 are displayed).Setting ExampleDescription FIX(0-12)123. (FIX 0)123.5 (FIX 1)123.46 (FIX 2)123.457 (FIX ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12130
Solution 12124: Computing the Average Rate of Change of an Expression on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...nction is found under [CATALOG].The syntax of the avgRC function is avgRC(expression, var,[h]) h is optional.The avgRC() function returns the forward difference quotient of the expression. The expression can be a user-defined function. h is the step value and if h is omitted, it defaults to 0.001...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12124
Solution 11727: Computing the Dot Product on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...]]. • Press [)] [ENTER]. Note: Both vectors used with this command must be row vectors, or both must be column vectors. Both vectors must have equal dimension, and the dimension must be either 2 or 3. Please see the TI-89 family, TI-92 family, and Voyage 200 guidebooks for additional information...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11727
Solution 11726: Computing the Doolittle LU (lower-upper) Decomposition of a Matrix on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
... or complex matrix on the TI-89 family, the TI-92 family, and Voyage 200.Matrix for this example is below:To enter the matrix A into the data matrix editor:• Press [APPS], select the Data/Matrix icon.• Press [3] [►] [2] [▼] [▼] [A] [▼].• Press [ALPHA] [3] [3] [ENTER]• Users with TI-92 family or V...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11726
Solution 11725: Computing the Cross Product on the TI-89 Family and Voyage™ 200 Graphing Calculators.
...or Example: Find the cross product of vectors and 1) Turn the calculator ON and on the TI-89 Family press [HOME] and on the Voyage 200 press [Green Diamond][Q] (CALC HOME). 2) Press [2nd] [5], select 4:Matrix and press the [right arrow] key 3) Press [ALPHA] [L] and select 2:crossP( and press [E...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11725
Solution 10352: Inputting Complex Numbers on the TI-85 or TI-86 Graphing Calculators.
...4-5i) would be input using [(] [4] [,] [(-)] 5] [)])(2<5) would be input using [(] [2] [<,] [5] [)])Please see the TI-85 and TI-86 guidebooks for additional information. {"commands":[{"click":"chrome:field:editcontrol({command:\"webedit:editlink\"})","header":"Edit l...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10352
Solution 23891: Setting Constraints to Remove the @n Symbol From a Trigonometric Equation Using the Solve Command on TI-89 Family, TI-92 Plus Family and the Voyage™ 200.
...on so that the @n symbol does not show the user must restrict the equation to show only one revolution of a circle. This is done one of two ways depending on whether the unit is in degree or radian mode. Please see the below example: 1) For radian mode use the restriction x>0 and x0 and x0 a...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/23891
Solution 10427: Finding the Limit of a Function Using the TI-86 Graphing Calculator.
... How do I find the limit of a function using the TI-86? To find the limit of a function on the TI-86, it must first be graphed in the interval comprising the given value the function approaches. Then, use the table feature to display values that surround the given value. In the table setup...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10427
Solution 11505: Sending Files from a TI-82 or TI-85 to a Macintosh® with the TI-GRAPH LINK 2 or the TI Connect™ Software.
... How can I send files from a TI-82 or TI-85 to a Macintosh® with the TI-GRAPH LINK 2 or the TI Connect software? When sending files to a Macintosh® computer from a TI-82 or a TI-85, it is necessary to access the LINK menu on the calculator, select the variables to transmit, and select TRANSMIT ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11505