Solution 10371: Calculating and Graphing a Linear Regression on the TI-82.
...use for the regression, press [2nd] [L1] [,] [2nd] [L2].5) Press [ENTER] to perform the regression calculation.The TI-82 will display the form of the equation (y=ax+b) and then list the values for the two coefficients (a and b).Graph the data:1) Press [2nd] [STAT PLOT] [1].2) Press [ENTER] to tur...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10371
Solution 19149: Using Folders on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...rrent Folder from the Home Screen: Enter the setFold function. The syntax for this function is: setFold (folderName) ¬ setFold is a function, which requires the folder name to be enclosed in parentheses. When you execute setFold , it returns the name of the folder that was previously set as the...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/19149
Solution 11770: Graphing Polar Rose Functions on the TI-89 Family, TI-92 Family and Voyage™ 200 Graphing Calculators.
...he Angle mode to Radian, and press [ENTER] twice to save the new graph and angle mode settings. 2) Now press the [Diamond Key] and [F1] 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 t...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11770
Solution 18689: Calculating the gcd() (Greatest Common Divisor) on the TI-73 Family Graphing Calculators.
...gument is a list and the other a non-list, the non-list is paired with each element of the list, and a list is returned. Note: This is function is frequently used with fractions to reduce them to lowest terms on the TI-73 family. The syntax is as follows: gcd(valueA,valueB) Examples: •...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/18689
Solution 11751: Finding Critical Points Using the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...critical points be found using the TI-89 family, TI-92 family or Voyage 200? The critical points of a function are the points where the derivative is equal to zero, reach a local minimum, or reach a local maximum. The following illustrates how to use the differentiate and solve functions to find ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11751
Solution 10379: Finding the Zero of a Function using the TI-82.
...he TI-82? Use the root instruction to find the zero on the TI-82. Please refer to the example below.Example:Find the zero of y=2x+4Solution:Graph the equation:1) Press [Y=].2) Input the equation.3) Press [GRAPH].Find the zero:1) Press [2nd][CALC][2].2) Move the cursor to the x value to specify th...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10379
Solution 11750: Finding an Intersection of Functions on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...two functions on the TI-89, TI-92 Family, and Voyage 200. Example: Find the intersection of the following y=-3x+2 y=4x-5 Solution: First, 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. Fi...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11750
Solution 24995: Answers that Include an @1 or a Component Formatted as @k on the TI-89 Family, TI-92 Family, or Voyage™ 200
...ond appearance of the constant representation, in the same or another problem, is listed as @2 and the next iterations will show as @3,@4....@k. The equation below is a slight variation on the command above: solve(x^2+y^2=r^2 and (2x-r)^2+y^2=r^2,{x,y,z}) and the answer is x=r/3 and y=(2*square ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/24995
Solution 27750: Finding the Intersection of Two Functions on the TI-73 Explorer™ Graphing Calculator.
... 4) Press [Math] [6] [↑] [CLEAR] [0] [2nd] [TEXT] [↓] [↓] [↓] [Enter] [↓] [Enter] [2nd] [VARS] [2] [1] [-] [2nd] [VARS] [2] [2] this is to use the equation solver to calculate the X intersection. 5) Press [Enter] [0] [↓] [↓] [Enter] this will display your X intersection point which is -3. T...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/27750
Solution 31951: Correcting a TI-89 Family, TI-92 Family, or Voyage™ 200 Graphing Calculator That is Locked Displaying "Busy" When Calculating Sigma Summation.
...ly, or Voyage 200 graphing calculator when I calculate sigma summation? The summation failures occur when the calculator attempts to locate an exact equivalence for a calculation that can only be displayed as a decimal approximation. To correct the "busy" error when you are calculating sigma sum...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/31951
Solution 11707: Calculating Linear Regressions on the TI-89 Family, TI-92 Family, and Voyage 200™ Graphing Calculators.
...t c1 (Indicates the x variables are in c1) • Press the down arrow, then input c2 (Indicates the y variables are in c2) • To graph the line, select an equation number after Store RegEQ to... • Press [ENTER][ENTER] The dialog box with the linear regression variables will be displayed. Please see...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11707
Solution 30350: Using the Two-Graph Mode on the TI-89 Family and Voyage™ 200 Graphing Calculators.
...hared and can be displayed on only one side at a time. Setting the Mode Several mode settings affect the two-graph mode, but only two settings are required. Both are on Page 2 of the MODE dialog box. To set the modes, please follow the steps below: • Press [MODE]. Then press [F2] to display Pag...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/30350
Solution 11695: Algorithm Used to Compute a Cubic Polynomial on a TI-85, TI-86, TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...determine a cubic polynomial that best fits this data in the least squares sense by attempting to solve a linear system that is defined by the normal equations. It turns out that the normal equations for this data set lead to a poorly conditioned linear system (nearly singular) due to the fact th...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11695
Solution 12173: Use of the Approx() Function on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
... The function approx() returns the evaluation of an expression as a decimal value, when possible, regardless of the current Exact/Approx mode. It is equivalent to entering the expression and pressing [Diamond][ENTER] on the Home screen. Examples: approx(π)[ENTER] will return 3.14159 ap...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/40304
Solution 11968: Integer Division on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...e remainder, press [2nd] [MATH] [1] [ALPHA] [A] to select A:remain( then input 123, 32) and press [ENTER]; 27 is returned. So the division of 123/32 equals 3 with a remainder of 27 or 3 units 27/32. For additional instructions on integer division and other operations, please see the TI-89 fami...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11968
Solution 32811: Using the Ceiling() Function on the TI-Nspire™ Family Products.
... How do I use the ceiling() function on the TI-Nspire family products? The ceiling() function returns the nearest integer that is greater than or equal to its argument. The argument can be a real number, complex number, list, or matrix.To perform this function, please see the examples listed ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/32811
Solution 12106: Verifying a Symbolic Result on the TI-89 Family, TI-92 Family, or Voyage™ 200 Graphing Calculators.
...? When a symbolic result is different than the expected result there are several tools in the unit that can be used to help verify that the result is equivalent. Please follow the steps listed below for an example problem. Factor the polynomial: -16x^3-24x^2 1. Make sure there are no values or...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12106
Solution 10376: Compatibility of the DataMate Program and the TI-82 Graphing Calculator.
...s of the DataMate program for the CBL 2. It is recommended that programs such as ChemBio, Physics, etc., are used instead since the DataMate program requires more memory than the TI-82 can use to run the program optimally.Please see the TI-82 guidebook for additional information. Solution 10376:...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/general-information/10376
Solution 30571: Creating User Defined Units For Unit Conversion on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
... may define a unit to store in the units menu. For example, to convert cubic feet into gallons or vice versa, it is known that 7.48051948 gallons is equal to one cubic foot. This value may be saved as _CUBFT in the units menu by following the steps below: 1) Press [ON] [HOME] [CLEAR]. 2) Press [...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/30571
Solution 30531: Finding the Inverse of a Function on the TI-89 Family, TI-92 Family and Voyage™ 200 Graphing Calculators.
...you need to find the inverse of f(x)=5/x+10 follow the steps listed below. 1) On a sheet of paper, replace x with y, and replace f(x) with x 2) Your equation should now be x=5/y+10 3) Solve for y using your calculator by pressing: [F2] [ENTER] [x] [=] [5] [/] [y] [+] [1] [0] [,] [y] [)] So, f...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/30531
Solution 29130: Calculating and Graphing Quadratic Regressions Using the TI-73 Family Calculator.
...1] to select the "Y-Vars" menu and input the Y1 function. 11) Press [ENTER] to calculate the quadratic regression. This will also copy the regression equation to the Y= Editor so that the function can be graphed. The calculator should display values for the variables a, b, and c. Since the func...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/29130
Solution 10403: Symbolic Manipulation Capabilities of the TI-85 when Computing Derivatives.
...ftware applications (Apps). Like the TI-85, the TI-89 Titanium is ideal for advanced mathematics classes like calculus, engineering, and differential equations. The TI-89 Titanium is electronically upgradeable, includes symbolic manipulations, 3D graphing, statistics, and more! The TI-Nspire CX C...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10403
Solution 10421: Creating and Using Strings on the TI-86.
...or products Knowledge Base Knowledge Base Search How do I create and use strings on the TI-86? A string is a sequence of characters that are enclosed within quotation marks. Strings define characters to be displayed in a program and accept input from the ke...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10421
Solution 11569: Algorithm Used for Finding the Determinant of a Square Matrix on the TI-81, TI-82, TI-83, TI-85, or TI-86.
... a square matrix. The one used on the TI-81, TI-82, TI-83, TI-85, and TI-86 is a byproduct of the LU-Factorization method for solving a set of linear equation of the form: Ax = b where, A is a square matrix, b is a column vector and x is a column vector of unknowns. The LU-Factorization met...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11569
Solution 11402: Starting the Calculus Tools Application on the TI-89 Family.
...e Base Search Where is the Calculus Tools menu and why do I see a normal TI-89 family menu after accessing the App? The Calculus Tools App requires specific mode settings to run correctly. If one of these mode settings is different, the App will not run. If the App is accessed with the ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11402