Solution 10349: Calculation Method Used by the Polynomial Root Finder on the TI-85 and TI-86.
...The TI-85 polynomial root finder makes use of the built-in eigenvalue solver. The coefficients of the polynomial are used to create what is called a "companion matrix". Basically, the coefficients appear across a row or column (there are variations) and the rest of the matrix is all zeros except ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10349
Solution 10583: Inverse or Reciprocal Function on the TI-86.
...type in the number, press [2nd][EE], and then press [ENTER]. The inverse will be shown as long as the number does not equal 0. If the number, real or complex, equals 0 the ERROR 02 DIV BY ZERO will be returned. To take the inverse of a list, type in the list name, press [2nd][EE], and then press...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10583
Solution 12115: Calculating the Transpose of a Matrix using the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...se Search How do I calculate the transpose of a matrix using the TI-89 family, TI-92 family, and Voyage 200? The instructions below will show you how to transpose a matrix using the TI-89 family, TI-92 Family, and Voyage 200. For this example use the matrix below...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12115
Solution 11714: Calculating the Eigenvalue and Eigenvector of a Matrix on the TI-89 Family, and Voyage™ 200 Graphing Calculators.
...ly, and Voyage 200 graphing calculators? To calculate the eigenvalue and eigenvector of a matrix on the TI-89 family, and Voyage 200 refer to the instructions below:Matrix for this example is: [ 5 3 12] [ 6 1 5 ][ 0 6 -2 ]To create the matrix, press [HOME] to return to the main screen o...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11714
Solution 10580: Finding the Area Below a Function Using a TI-86.
... Search How do I find the area below a function using a TI-86? To find the area below a function using a TI-86, the command FnInt or the graphing integral function can be used. The FnInt function, which finds a numerical approximation for a definite integral, use...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10580
Solution 10579: Entering Absolute Values using the TI-85 and TI-86 Graphing Calculators.
... Knowledge Base Search How do I input absolute values using the TI-85 and TI-86 graphing calculator? The instructions below demonstrate how to use the abs function to obtain the absolute value using the TI-85 and TI-86. Example: Find |-6| • Press [2nd][MAT...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10579
Solution 10578: Degree, Minutes, Seconds (DMS) Conversions with the TI-82.
... below: Convert 12.2525 to Degrees, Minutes and Seconds • Input 12.2525. • Press [2nd] [MATRIX] to access the angle menu. • Press [4] for the >DMS command. • Press [ENTER]. The calculator will display 12º 15' 9". Please see the TI-82 guidebook for additional information. Solution 10578: Deg...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10578
Solution 10414: Calculating Linear Regressions on the TI-86.
...IST] to select the lists to use for the regression. • Press [F3] to select Names. Press the function key (F1-F5) that corresponds to xStat, press the comma button, then select yStat. • Press [ENTER] to perform the regression calculation. The calculator will display the form of the equation (y=a...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10414
Solution 10410: Algorithm for the Solver Function on the TI-85 and TI-86.
...the function evaluates to about -3E-13 (-12.5 on the graph). However, in the range of about +/- 2E-7 either side of x=-1, the function evaluation becomes erratic, with exact zero evaluations where pixels are blank and evaluations with positive sign at the top of the graph. The width of this e...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10410
Solution 10404: Table Feature on the TI-85.
...a table on the TI-85? The TI-85 does not have a built-in table feature. However, this feature can be added through a user-defined program. Texas Instruments does not directly provide programs, although you may be able to locate a third-party program by conducting a web search.For instructions o...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10404
Solution 10449: Using the Interpolate Editor on the TI-85 and TI-86.
... Knowledge Base Knowledge Base Search How do I use the interpolate editor on the TI-85 or TI-86? The following instructions demonstrate how to use the interpolate/extrapolate feature of the TI-85 and TI-86. Example: Given points (3,6) and (-1,-2), find the y va...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10449
Solution 10400: Calculating the Inverse Sine of 2 Using the TI-85.
...ducts Knowledge Base Knowledge Base Search Why does the TI-85 return an answer for the inverse sine of 2? For complex numbers x+iy, the sine function is defined as sin(x+iy) = sin(x)cosh(y)+icos(x)sinh(y). Note: cosh(y) = (ey + e-y)/2 and sinh(y) = (ey ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10400
Solution 10437: Performing Fraction Calculations on the TI-85 or TI-86.
...Press the [2nd] [MATH] [F5] [MORE] 6) Select [F1] 7) Press the [ENTER] keyThe result displayed should be 1679/117. For additional information and instructions on using the TI-85 and TI-86, refer to the appropriate online guidebook. Solution 10437: Performing Fraction Calculations on the TI-85 or...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10437
Solution 12791: Using a Function that Needs an Integer as an Argument in Approximate Mode using the TI-89 family, TI-92 Plus and Voyage™ 200.
...n integer as an argument in approximate mode on the TI-89 family, TI-92 Plus and Voyage 200? Use the function that needs an integer as an argument in combination with the exact() function to get the desired argument.For example: The checkTmr( function. The function checkTmr takes an integer as an...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12791
Solution 10428: Finding the Reduced Row Echelon Form of a Matrix on the TI-85 or TI-86.
...Knowledge Base Knowledge Base Search How do I find the reduced row echelon form of a matrix on the TI-85 or TI-86? The instructions below will demonstrate how to find the reduced row echelon form of a matrix on the TI-85 or TI-86.Solution:To enter the matrix:• Press [2n...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10428
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 22171: Pausing a Program on a TI-89 Family, TI-92 Family and Voyage™ 200 Graphing Calculator so Entire Results May Be Viewed.
...n I pause a program so that I may view the entire result? If a program requires more information than can be displayed at once, users may add a Pause command in the program to pause it until they are ready to continue. This is especially useful when displaying long lists, matrices, etc. To find P...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/22171
Solution 10372: Calculating Numeric Derivatives on the TI-82.
... derivative of an expression on the TI-82.Example:Find the numerical derivative of x2-4X, when x=3.Solution:1) Press [MATH] [8], to paste the nDeriv( command onto the home screen.2) Input the expression x^2-4X. The screen will read:3) After the expression, input [,] [x] [,] [3] [)] (x is the vari...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10372
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
Solution 21411: Graphing the Density of a Curve on the TI-89 Family, TI-92 Plus and Voyage™ 200 Graphing Calculators.
...re website. To transfer the Statistics with List Editor App to the TI-89 family, TI-92 Plus or Voyage 200 calculator please see App & OS Download Instructions. Once the Statistics with List Editor App has been installed, the density of a curve can be graphed by following the example listed below....https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/21411
Solution 19149: Using Folders on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...iables in the MAIN folder are always directly accessible, regardless of the current folder. Creating a Folder from the Home Screen: Enter the NewFold command. The syntax for this command is: NewFold folderName ¬ The folder Name to create. This new folder is set automatically as the current fold...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/19149
Solution 19089: Function Algebra on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...] to select 6:Define f(x) = 4. Input 2x+6 then press [ENTER] - The word "Done" is displayed on the right side of the history area, and the Define instruction is still displayed in the entry line. 5. Use the [Ü] (the backspace key) to erase the "2*x+6" in the entry line, so that the cursor is bl...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/19089
Solution 19009: Calculating the Number of Days Between Dates on the TI-89 Family, TI-92 Family and Voyage™ 200.
...ication installed. Example: A loan is made on January 1, 2006, but the first payment is deferred until March 30, 2006. How many days does the loan accrue interest before the first payment? Note: This function is NOT listed in the CATALOG. It must be entered manually from the HOME screen. • Press ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/19009
Solution 10416: Calculating the Derivative of a Function Using the TI-85 or TI-86.
... the [F2] key to select nDer (numerical derivative). This will paste nDer( on the HOME screen.• Type in the example function, x^2 + 2x + 4.• Insert a comma by pressing the [,] key.• Type in the variable x by pressing the [x-VAR] key.• Insert a comma by pressing the [,] key.• Type in the number 2 ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10416
Solution 18469: Calculating the Summation of a Geometric Sequence Using the TI-89 Family, TI-92 Family, or Voyage 200™.
...t allow a step size to be entered; it always uses the default value of 1. However, if a different step size is required (such as for Riemann sums), a combination of both the sum( ) and seq( ) functions can be used in order to do this. Both functions are accessed by pressing [2nd] [MATH] [3] from ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/18469