Solution 10372: Calculating Numeric Derivatives on the TI-82.
...ession 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 variable, and 3 is the val...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.
...will not show all the variables that are present on the calculator. So, it is not possible to drag and drop a variable from the calculator connection screen. Please see the TI-GRAPH LINK 2 guidebook for additional information. Solution 11505: Sending Files from a TI-82 or TI-85 to a Macintosh® w...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11505
Solution 10371: Calculating and Graphing a Linear Regression on the TI-82.
... Press [GRAPH] to display the data. Note: it may be necessary to change the window view.Graph the linear regression:1) Press [Y=].2) Press [VARS] [5] scroll to EQ press [7].3) Press [GRAPH]Please see the TI-82 guidebook for additional information.. Solution 10371: Calculating and Graphing a Line...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10371
Solution 10357: Unexpected Results Returned Performing Temperature Conversions with Negative Numbers on the TI-85 and TI-86.
...ersion menu (CONV)• Press [F5] for the TEMP menu•Press [F1] for °C (Celsius), the conversion symbol will populate behind the °C• Press [F2] for °F (Fahrenheit), press [ENTER] and the result will be displayed.Please see the TI-85 and TI-86 guidebooks for additional information. Solution 10357: U...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10357
Solution 19149: Using Folders on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
..."current folder" unless specified otherwise. The name of the current folder is displayed in the left corner of the status line (at the bottom of the screen). The system variables in the MAIN folder are always directly accessible, regardless of the current folder. Creating a Folder from the Home ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/19149
Solution 11589: Calculating One-Variable Statistics Using the TI-89 Family, TI-92 Family and Voyage™ 200 Graphing Calculators.
...Enter numbers 5, 9, 7, 4, 6, 250, 35, 100, and 84 under c1 by pressing [5] [ENTER] [9] [ENTER] etc. 8) Press [F5] to bring up the main\test Calculate screen. 9) Press the right arrow, select OneVar and press [ENTER] 10) Press the down arrow and input c1. 11) Press [ENTER] [ENTER]. The graphing c...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11589
Solution 19089: Function Algebra on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...aic operations on two or more functions using a TI-89 family, TI-92 family, or Voyage 200 calculator, the functions must first be defined on the Home screen. The below example demonstrates how this is done. Example: Given the functions f(x) = 2x+6 and g(x) = x-3, find the product of f(x) and g(x...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/19089
Solution 11595: Displaying of a Numeric Answer Instead of a Symbolic Answer when Using the Integration Function on the TI-89 Family, TI-92 Family, or Voyage™ 200 Graphing Calculators.
...o correct this, delete that variable or use a different variable in the calculation. Variables can be deleted by pressing [F6][ENTER] from the home screen or by using the DelVar command. The calculator resorted to a numerical approach to find the solution for the problem. This could happen w...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11595
Solution 10351: Finding the Inverse of a Matrix on the TI-85 or TI-86 Graphing Calculator.
...trix (2 [ENTER] 2 [ENTER]) 4) Input the values for the elements of the matrix pressing [ENTER] after each entry 5) Press [Exit] to return to the home screen To find the inverse of matrix A: 1) Press [2nd] [7](MATRX) [F1] [F1] the screen should show A 2) Press [2nd] [EE](X-1) [ENTER] The display...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10351
Solution 19009: Calculating the Number of Days Between Dates on the TI-89 Family, TI-92 Family and Voyage™ 200.
...s 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 [HOME] • Type "dbd(01.0106,03.3006)" without the quote marks • Press [ENTER] The loan will accrue interest for 88 days before the...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.
...5 or TI-86? To calculate the derivative of a function, refer to the example below:Example: Find the derivative of x^2 + 2x + 4 when x=2• On the HOME screen press [2nd] and then the division key (for CALC).• Press the [F2] key to select nDer (numerical derivative). This will paste nDer( on the HO...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10416
Solution 11770: Graphing Polar Rose Functions on the TI-89 Family, TI-92 Family and Voyage™ 200 Graphing Calculators.
...1] to enter the equation into the graphing editor. 3) Press [8], [*], [2nd],[Y], [2][.][5]. 4) Press [2nd], [+], and then press [ENTER] on 1:Greek. Scroll down to 9:q and press [ENTER]. 5) Press [)] to finish the equation and then press [ENTER] to save. 6) Now , press the [Diamond Key] and [F...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11770
Solution 11712: Calculating Standard Deviation on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
... deviation can be calculated by using the stdDev() function. The stdDev() function can be located by performing the following: • Press [2ND] [MATH] • Scroll to 6:Statistics and select 6:stdDev( Follow the examples listed below to calculate standard deviation of one or two list of data. Ex. Calcul...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11712
Solution 11763: Graphing a Differential Equation on the TI-89 Family, TI-92 Family and Voyage™ 200 Graphing Calculators.
...[MODE]. 2) For Graphing Mode, select 6:DIFF EQUATIONS and press [ENTER]. 3) For Angle, select 1:Radian. 4) Press [ENTER][ENTER] to return to the main screen. 5) Press [♦][F1] (On the TI-92 family and Voyage 200 press [♦][W]) 6) Enter y1'= 2y1*cos(t). Please Note: That the y is replaced with y1. T...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11763
Solution 18649: Finding the Length of a Vector Using the TI-89 Family, TI-92 Family and Voyage™ 200 Graphing Calculators.
.... To do this press [2nd] followed by [6]. Then press [F1], choose Default and press [ENTER] until the "Defaults Set" message appears. 1) On the Home screen, press [CATALOG] [6] and scroll down to norm(). 2) Press [ENTER]. On the Voyage 200 and TI-92 family press [2nd] [CATALOG] [6]. 3) Enter [50...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/18649
Solution 18469: Calculating the Summation of a Geometric Sequence Using the TI-89 Family, TI-92 Family, or Voyage 200™.
...e demonstrates how to sum up the first n terms in a geometric sequence. Find the first 5 terms in the geometric sequence an = 3 * 2n 1) From the home screen, press [F3] [4] to select 4:å( sum from the Calculus menu. 2) Input the expression 3*2^x. 3) Press [,] [x] to input the variable. 4) Press [...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/18469
Solution 10383: Shading Above or Below a Function on the TI-82.
...per bound. So for example when working in the standard viewing window, to shade the area above x2, the following command would be entered on the home screen of the TI-82. In this example x2 is the lower bound, and 10, the top of the viewing window, is the upper bound. Please see the TI-82 guideb...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10383
Solution 11751: Finding Critical Points Using the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...ifferentiate and solve functions to find critical points. Example: Find the critical points using the solver and differentiation commands on the home screen for the following function: f(x)= x^3+x^2-5x-5 The first step to finding the critical points is to differentiate the above function: 1) Pres...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11751
Solution 18249: Finding the Real and Imaginary Parts, and Modulus (Absolute Value) of an Algebraic Expression using Complex Numbers on the TI-89 Family, TI-92 Family and Voyage™ 200 Graphing Calculators.
... calculators. Example: What are the real and imaginary parts and modulus of (1+i)(5-2i)? Solution: 1) Change the mode to Auto by pressing [MODE][F2], scroll down to Exact/Appox and highlight and select Auto and press [ENTER][ENTER]. 2) On the home screen press [2nd][MATH][5][2]. 3) Enter ((1+i)...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/18249
Solution 10379: Finding the Zero of a Function using the TI-82.
...t or right cursor and press [ENTER].3) Move the cursor to the x value to specify the upper bound using the left or right cursor and press [ENTER].The screen will show the zero, which is (-2, 0).Please see the TI-82 guidebook for additional information. Solution 10379: Finding the Zero of a Funct...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10379
Solution 10374: X and Y Coordinates Do Not Appear When Tracing a Function on the TI-82 Calculator.
...Y coordinates, the CoordOff mode may be activated. To try and correct this problem, please follow the steps listed below.• Press the [WINDOW] key and scroll to the right to highlight "FORMAT". • With FORMAT highlighted, scroll down to CoordOn and press [ENTER]. • Press the [GRAPH] key to retur...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10374
Solution 11750: Finding an Intersection of Functions on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...t, graph the equations. 1) Press the diamond key, [F1]. 2) Input the equations. 3) Press the diamond key, [F3]. The graphs are now displayed on the screen. Find the intersection: 1) Press [F5] for the Math menu and select 5:Intersection 2) Select the first function using the up or down cursor ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11750
Solution 17214: Solving Second Order Differential Equations on the TI-89 Family, TI-92 Plus and Voyage™ 200 Graphing Calculator.
... be solved by using the deSolve( command. 1. First Order Example Solver the equation y''+2y'+y=x^2. Solution: Start by clearing the calculator's home screen and following the instructions below to solve using the deSolve( command. Press [CATALOG] and scroll to deSolve( or choose deSolve( fro...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/17214
Solution 11739: Displaying Radicals and Imaginary Numbers in the Solutions Using the TI-89 Family, TI-92 Plus and Voyage™ 200.
... display radicals and imaginary numbers in the calculated solution. To enable this feature, please follow the steps listed below: 1) Press [MODE] and scroll down to "Complex Format". Using the arrow keys, highlight "2:RECTANGULAR" and press [ENTER]. 2) Press [F2] and scroll down to "Exact/Approx"...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11739
Solution 10355: Setting the Number of Decimal Places on the TI-85 and TI-86.
...ing selected on the TI-85 or TI-86? The following instructions demonstrate how to set a decimal place on the TI-85 and TI-86:• Press [2nd] [MODE] and scroll to FLOAT.• Press the right arrow key until the number of decimal places needed is highlighted.• Press the [ENTER] key.For 2 decimal places, ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10355