Solution 15464: Definition of Time, Web, and Custom Settings for Axes When Graphing Sequences on the TI-89 Titanium and Voyage™ 200.
...r Voyage™ 200? Please see the below descriptions:• TIME: The time format for graphing sequences graphs the sequences as a function of the independent variable n by graphing the points (n, u(n)) for each sequence.• WEB: The web format produces a cobweb plot for a sequence U(n). It is better to use...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/15464
Solution 11789: Solving Quadratic Equations using the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...ing the solve() command on the TI-89 family, TI-92 family, and Voyage 200 graphing calculators. The syntax of the solve() command is solve(equation,variable), which returns the returns real solutions of the equation for the variable. Please Note: Use cSolve() for functions with complex results...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11789
Solution 10399: Differential Equation Solver for the TI-85.
...ethod.In this method, a proposed step is taken by computing a solution with two separate Runge-Kutta formulas of different order (but which share evaluation points). An error estimate is formed from the two solutions and compared with a user tolerance. Based on this comparison, the step is e...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10399
Solution 10356: Solving Simultaneous Equations on the TI-85 or TI-86.
...This indicates that there are three equations to solve.)3) Press [ENTER] 4) Input the coefficients for the first equation pressing [ENTER] after each value.5) Press [3] [ENTER] [3] [ENTER] [(-)] [4] [ENTER] [(-)] [3] [ENTER].6) Repeat the same steps for the next two equations.7) Press [F5] to dis...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10356
Solution 18469: Calculating the Summation of a Geometric Sequence Using the TI-89 Family, TI-92 Family, or Voyage 200™.
...n 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 following...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.
...olve( from the (F3) 'Calc' menu. Enter y''+2y'+y=x^2, x, y) Note: To get ', press the [2ND] [ ' ]. Press [ENTER] to display the answer. The variables @1, @2 are constants. 2. Second Order Example: A ball is tossed straight up from an initial height of 0.29 meters and with an initial ...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.
...icons are not used, press [APPS] [6] [3])2) The type will be Matrix, the name is A and the dimensions are both 3. 3) Press [ENTER] twice.4) Input the values above in the data matrix editor, 6 [ENTER] 12 [ENTER] etc.5) After entering all the values, exit the matrix editor and go the Home screen.To...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.
...culation in the basecode, in some cases 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...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10215
Solution 29130: Calculating and Graphing Quadratic Regressions Using the TI-73 Family Calculator.
...s [2nd] [STAT] [1] to input the L1 list. 7) Press the [,] key. 8) Press [2nd] [STAT] [2] to input the L2 list. 9) Press the [,] key. 10) Press [2nd] [VARS] [2] [1] to select the "Y-Vars" menu and input the Y1 function. 11) Press [ENTER] to calculate the quadratic regression. This will also copy t...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/29130
Solution 28011: Using the Chi-Squared Goodness of Fit Test on the TI-89 Family, TI-92 Plus, or Voyage™ 200 Graphing Calculators.
... Using the directional keypad choose Calculate or Draw. 18) Press [ENTER] [ENTER]. The displayed answer will show Chi Squared=5.99514991182 and P value= 0.049907950717. Please see the TI-89 family, TI-92 family and Voyage 200 guidebooks for additional information. Solution 28011: Using the ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/28011
Solution 11401: Selecting Multiple Equations Under Different 'When' Headings in the ME*Pro® Application.
......) heading at a time and designating the results from one calculation as the input into the second. A black square marker should appear next to the variable. To designate a calculated or previously entered value as known variable for a calculation, move the cursor to the value, press [F5], sele...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11401
Solution 36735: Resolving the Error "FRQ DOMAIN Error" on the TI-30X IIB / TI-30X IIS Scientific Calculators.
...rror message "FRQ DOMAIN Error" indicates that one of the frequency entries for a statistics problem exceeds the maximum number allowed. The maximum value for a frequency value is 99. To resolve this issue please follow the steps below: • Push the [Clear] button to clear the error message. • E...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/troubleshooting-messages-unexpected-results/36735
Solution 23370: Solving Quadratic Equations on the TI-30X IIS/B and TI-34 II Explorer Plus™.
...on the TI-30X IIS/B or TI-34 II Explorer Plus? The TI-30X IIS/B and TI-34 II Explorer Plus do not have the functionality for solving equations. The variables on these calculators are solely for memory purposes. However, users can incorporate the variables into algebra by storing a value to the ...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/23370
Solution 34674: Maximizing a Linear Function with the Inequality Graphing Application on the TI-84 Plus CE and TI-84 Plus C Silver Edition.
...plication splash screen is displayed. • Press any key. The Y=Editor screen is displayed. Note that placing the cursor on the = symbol for any Y-variable displays the new relation symbols at the bottom of the screen. To insert a relation symbol, press [ALPHA] plus [F1]-[F5]. • Press [ALPHA]...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34674
Solution 12297: Squaring Negative Numbers on Texas Instruments Scientific and Elementary Calculators.
... How do I square a negative number on my scientific or elementary calculator? These calculators use an Equation Operating System (EOS™), which evaluates from left to right, allowing the user to enter numbers and functions in a straightforward sequence. Parentheses are necessary to define th...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/12297
Solution 34620: Finding the Discriminant of a Quadratic Equation on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...calculators do not have the built-in function to find the discriminant. However, the instructions below show how to compute the discriminant by using variables: The discriminant is a number that can be calculated from any quadratic equation. A quadratic equation is an equation that can be writte...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34620
Solution 12324: Solving Equations Using the TI-30X IIB / TI-30X IIS.
... How can I solve equations using the TI-30X IIB / TI-30X IIS? The TI-30X IIB / TI-30X IIS do not have the functionality for solving equations. The variables on these calculators are solely for memory purposes, which can be incorporated into Algebra by storing values to the variables, then usin...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/12324
Solution 34841:Troubleshooting the TI-83 Plus and TI-84 Plus Family of Graphing Calculators Requesting a Password.
...re may also delete all items stored in the FLASH ROM of the graphing calculator. This includes all FLASH apps (pre-loaded or otherwise) as well as appvars. For the TI-83 Plus and TI-84 Plus: • Remove 1 AAA battery. • Press and hold down the [DEL] key for 5 seconds. • Replace the AAA battery. • W...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34841
Solution 34777: Graphing a Non-Recursive Sequence on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...mple below shows how to graph a non-recursive sequence. A non-recursive sequence is a sequence in which the nth term is a function of the independent variable n and each term is independent of all the other terms. NOTE: For this example, the handheld's mode settings will need to be changed. • P...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34777
Solution 12159: Solving Systems of Equations Using Symbolic Manipulation on the TI-89 Family, TI-92 Family and Voyage™ 200 Graphing Calculators.
...ions 2x-3y=4 and -x+7y=-12. Solve the first equation so that x is expressed in terms of y. Substitute x into the second equation, and solve for the value of y. Then, substitute the y value back into the first equation to solve for the value of x. From the Home screen: • Press [F2]. • Select...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12159
Designing a Reaction Rate Experiment
In this activity, students will design, conduct, and report the outcome of an experiment in which they investigate some factor that affects the rate of reaction between baking soda and vinegar. The dynamic nature of the reaction, coupled with a wide range of possible choices of independent varia...https://education.ti.com/en/activity/detail/designing-a-reaction-rate-experiment
Vernier - Comparing Sunscreens
In this activity, students use the UVB Sensor to measure the amount of UVB light that passes through a thin film of sunscreen. They analyze the relationship between the SPF values and the intensity of UVB light transmitted by the sunscreen.https://education.ti.com/en/activity/detail/vernier--comparing-sunscreens
Problem-Solving Steps
Students learn the four steps of problem solving: Understanding the problem, making a plan, carrying out the plan, and evaluating the results. This activity helps students develop skills to solve problems.https://education.ti.com/en/activity/detail/problemsolving-steps
"Power"ful Patterns
Students investigate the relationship between multiplication with repeated factors and the use of exponents. Students will connect "powers of ten" to place value positions.https://education.ti.com/en/activity/detail/powerful-patterns
Place-Value Spinners
Students also explore probability and patterns in place value by using two spinners and analyze and record the results.https://education.ti.com/en/activity/detail/placevalue-spinners