Solution 34534: Solving a Quadratic Equation Using Numeric Solver on the TI-84 Plus CE and TI-84 Plus C Silver Edition.
...er" feature is limited to solving for only one solution at a time. Since there are generally two solutions for a quadratic equation, two different guesses must be entered into the solver to find both solutions. After finding the first solution, enter a new initial guess or new bounds to look for ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34534
Solution 34503: Generating Different Random-Number Sequences by Setting Seed Value on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...for the rand function is zero (0). To generate a different random-number sequence, store any non-zero seed value to rand. 1) From the home screen, press [CLEAR] to clear any previous entries, input a [Random Non-Zero Value], then press [STO] [MATH] [left arrow] [1] to select rand. 2) Press [EN...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34503
Solution 11966: Graphing Inequalities on the TI-83 Plus and TI-84 Plus.
...lution set for an inequality. The example below will demonstrate how to graph a simple inequality using these features. Example: Graph y<=3x+2 1) Press the [Y=] key For Y1=, input 3x+2. 2) Repeatedly press the left arrow key until the symbol to the left of Y1 is flashing. Press the [ENTER] key ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11966
Solution 10432: Generating a Recursive Sequence on the TI-86.
...le below: Example: Generate the sequence defined by a(n)=a(n-1)+2 and for which the first element a(1)=5. • On the Home screen, enter {1, 5} and press [ENTER]. This defines the first element of the sequence as 5. • Enter {Ans(1)+1, Ans(2)+2} and press [ENTER]. The calculator will display {2, 7}...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/10432
Solution 12185: Algorithm Used by TI Graphing Calculators for Computing Quartiles.
Solution 12185: Algorithm Used by TI Graphing Calculators for Computing Quartiles. Solution 12185: Algorithm Used by TI Graphing Calculators for Computing Quartiles. global Solution 12185: Algorithm Used by TI Graphing Calculators for Computing Quartiles. website ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/12185
Solution 11709: Calculating the Summation of a Sequence Using a TI-83 Family Graphing Calculator.
...ng calculator? The sum( and seq( functions can be combined in order to calculate the summation of a range of consecutive terms in a sequence. The necessary syntax is given below:sum(seq(expression,variable,begin,end[,increment]))The expression is evaluated for each value of the variable from begi...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11709
Solution 11366:Maximizing a Linear Function with the Inequality Graphing Application on the TI-83 Plus and TI-84 Plus.
...t, P= 3X+2Y, for quantities of two products, X and Y, given the following constraints on materials and time: X30, Y30 Y+X≥10 3X+Y≥15 Solution: • Press [APPS] to display the list of application on the calculator. • Select Inequal (or Inequalz). The Inequality Graphing application splash screen i...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11366
Solution 11759: Graph of the Absolute Value of the Square Root of X Differs on the TI-83 Family, TI-84 Plus C Silver Edition, or TI-84 Plus Family Graphing Calculator and on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
... C Silver Edition, or TI-84 Plus family calculator is in real mode when solving for the absolute value of the square root of a negative number, the message ERR:NONREAL ANS is displayed. This is because an intermediate answer, the square root of a negative number, is imaginary. If the TI-83 family...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11759
Solution 34920: Graphing an Inequality Containing the Absolute Value on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...f graphing calculators? The instructions below demonstrate how to input and graph the abs( or absolute value function: Example: Graph |2x+3|>9 • Press [Y=]. • Press [MATH]. • Scroll right to highlight NUM and press [1] to select abs(. • Press [2] [X,T,θ,n] [+] [3]. Next for the TI-84 Plus...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34920
Solution 16532: Graphing a Partial Sum of a Sequence on a TI-89 Family, TI-92 Family or Voyage™ 200 Graphing Calculator.
... the example provided and follow the steps listed below. Example: Graph a partial sum of the sequence 1/(x^2) with a low of 1 and a high of 10. 1) Press [♦] [Y=].2) Press [2ND] [MATH] [B:Calculus].3) Choose 4: ∑( sum.4) Enter [1][ [÷] [ALPHA] [A] [^] [2] [,] [ALPHA] [A] [,][ 1] [,] [X] [)].Please...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/16532
Solution 11819: Algorithm for Solving Systems of Equations on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...solve() and cSolve() functions return real or complex solutions of linear or nonlinear systems of equations. For linear or polynomial systems, the Gaussian or Groebner elimination method is used to seek all solutions. Otherwise, a damped-Newton/steepest-descent method is used to seek an approxima...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11819
Solution 15465: Valid Sequence Functions for Web Plots on the TI-89 Titanium or Voyage™ 200.
...atically, depending on how the Build Web mode is set on the AXES dialog box. If the mode is set to TRACE, the sequence will not draw until [F3] is pressed. If the mode is set to AUTO, the sequence will draw automatically. Please see the TI-89 Titanium and Voyage 200 guidebooks for additional info...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/15465
Solution 12081: Graphing Inequalities on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...The example below will demonstrate how to graph a simple inequality using these features. Example: Graph y<=3x+2 On the graphing calculator: 1) Press [Diamond Key] [Y=], and next to y1=, input 3x+2 then press [ENTER]. 2) Press the [Up Arrow] once to highlight the "3x+2". 3) Press [2nd] [F1] t...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12081
Solution 11747: Entering the Fibonacci Sequence on the TI-89 Family, TI-92 Plus and Voyage™ 200.
...re 1 and 1. Each succeeding term is the sum of the two immediately preceding terms.Follow the procedure below to generate the Fibonacci sequence:• Press [MODE]• For the Graph mode, select 4:SEQUENCE• Press [ENTER] [ENTER] to save the change and return to the Home screen• Press [Diamond] [Y=]• Ent...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11747
Solution 11789: Solving Quadratic Equations using the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...f the equation for the variable. Please Note: Use cSolve() for functions with complex results. Example: Solve X2-3X-10=0 1) From the home screen, press [F2] [1]. 2) Press [X] [^] [2] [-]. 3) Press [3] [X] [-]. 4) Press [1] [0] [=] [0]. 5) Press [,] [X] [)]. 6) Press [ENTER]. In addition, the P...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11789
Solution 12113: Calculating 1-Variable Statistics with Frequencies on the TI-89 Family, TI-92 Plus and Voyage™ 200 Graphing Calculators.
...mily, TI-92 Plus and Voyage 200 graphing calculators. Example: x values: 5, 8, 9, 12, 13, 15 Frequencies: 4, 1, 5, 2, 6, 3 Input the data: 1) Press [APPS] [6] [3]. (If the Apps Desktop is on, select Data/Matrix Editor, and choose [3]). 2) Press the down arrow twice. 3) In the box beside vari...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12113
Solution 10399: Differential Equation Solver for the TI-85.
...ice was to maximize graphing speed. One consequence of this choice, however, is that the code becomes inefficient for small tolerances (typically less than 1e-5). A tolerance of 1e-2 or 1e-3 is most efficient for this method.It should also be noted that the plotted solution is determined by i...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10399
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.
... 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 and x<360 Please see the TI-89 fam...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/23891
Solution 10356: Solving Simultaneous Equations on the TI-85 or TI-86.
...taneous equations on the TI-85 or TI-86.Example: Solve the following for x, y and z.3x + 3y - 4z = -3-x + 2y + 5z = 188x + 4y - 7z = -5Solution:1) Press [2nd] [SIMULT]2) Input 3 (This indicates that there are three equations to solve.)3) Press [ENTER] 4) Input the coefficients for the first equat...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10356
Solution 11763: Graphing a Differential Equation on the TI-89 Family, TI-92 Family and Voyage™ 200 Graphing Calculators.
...ifferential equation on the TI-89 family, TI-92 family or Voyage 200 graphing calculator. Example: Graph the function y'=2y*cos(t) Solution: 1) Press [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...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11763
Solution 18469: Calculating the Summation of a Geometric Sequence Using the TI-89 Family, TI-92 Family, or Voyage 200™.
...tion can be used to calculate the sum of any range of consecutive terms in a geometric sequence. The syntax for the å function is given below: å(expression, variable, low, high) The expression is evaluated for each value of the variable from low to high, and returns the sum of the results. The fo...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/18469
Solution 17214: Solving Second Order Differential Equations on the TI-89 Family, TI-92 Plus and Voyage™ 200 Graphing Calculator.
...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( from the (F3) 'Calc' menu. Enter y''+2y'+y=x^2, x, y) Note: To get ', press the [2ND] [...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/17214
Solution 11719: Calculating the QR Factorization of a Matrix on the TI-89 Family, TI-92 Plus, or Voyage™ 200 Graphing Calculators.
...ization of a matrix on the TI-89, TI-92 Plus and Voyage 200.Matrix for this example is below:To enter the matrix A into the data matrix editor: 1) Press [APPS], select the Data/Matrix icon, and press [3] for New. (If desktop icons are not used, press [APPS] [6] [3])2) The type will be Matrix, the...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11719
Solution 10215: Polynomial Root Finder and Simultaneous Equation Solver App gives Unexpected Result for the TI-83/84 Plus, TI-89/TI-92/Voyage 200 and the TI-85/TI-86 families of the Graphing line of Calculators.
... the results returned will contain an imaginary part (often small but sometimes significant) instead of a real-valued zero. While using the App, press the MODE key to display the mode settings for Polynomial Root Finder and Simultaneous Equation Solver App. The mode screen will look very simila...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10215
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.
.... That is, A = L*U To illustrate this point, consider the matrix, A = [[ 2,-1,0][4,3,-3][8,-14,5]] which can also be expressed as: A = [[1,0,0][2,1,0][4,-2,1]]*[[2,-1,0][0,5,-3][0,0,-1]] Hence, L and U for this problem are: L = [[1,0,0][2,1,0][4,-2,1]] U = [[2,-1,...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11569