Solution 12124: Computing the Average Rate of Change of an Expression on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...tion is found under [CATALOG].The syntax of the avgRC function is avgRC(expression, var,[h]) h is optional.The avgRC() function returns the forward difference quotient of the expression. The expression can be a user-defined function. h is the step value and if h is omitted, it defaults to 0.001.E...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12124
Solution 10352: Inputting Complex Numbers on the TI-85 or TI-86 Graphing Calculators.
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Solution 10399: Differential Equation Solver for the TI-85.
...od used in the TI-85 to solve differential equations is known as an adaptive stepsize Runge-Kutta method.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 f...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10399
Solution 17214: Solving Second Order Differential Equations on the TI-89 Family, TI-92 Plus and Voyage™ 200 Graphing Calculator.
... on a TI-89 Family, TI-92 Plus and Voyage 200 Graphing Calculator? First and second order differential equations can 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 instr...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/17214
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.
...l equations for this data set lead to a poorly conditioned linear system (nearly singular) due to the fact that this data set is poorly scaled. The difference between the software on the TI-89 family and TI-92 family and the TI-85 and TI-86 is that they use different linear system solvers, which ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11695
Solution 10403: Symbolic Manipulation Capabilities of the TI-85 when Computing Derivatives.
...lculator software 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-...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10403
Solution 11374: Compatibility Between TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators Data and Programs.
...a TI-92 family or Voyage 200 graphing calculator? In general, TI-89 family, TI-92 Plus, and Voyage 200 data and programs are compatible, with some differences. However, these models have incompatibilities with a TI-92. Main Types of Incompatibilities: All data is compatible between a TI-89, TI-...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/general-information/11374
Solution 10587: Differences Between the TI-86 and the TI-89 Family Graphing Calculators.
...main differences between the TI-86 and the TI-89 family graphing calculators? The TI-86, being a discontinued calculator, has a number of different recommended replacements. For engineering and AP courses, the TI-89 Titanium and TI-Nspire CX II CAS are the recommended substitutes. For general m...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/general-information/10587
Solution 13882: Calculating Logs With Different Bases on the TI-89 Titanium and Voyage™ 200 with OS v3.10.
...s to other bases on my TI-89 Titanium or Voyage 200 with OS v3.10 installed? OS v3.10 increases the ability of the TI-89 Titanium and Voyage 200 CAS (Computer Algebra System) to use the built in log feature for calculating log of bases other than 10. Please refer to the examples provided below. E...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/13882
Solution 13820: Differences Between OS v3.10 and Previous Operating Systems When Solving Inequalities Using the TI-89 Titanium and Voyage™ 200.
...solving inequalities using the TI-89 Titanium or Voyage 200? OS v3.10 for the TI-89 Titanium and Voyage 200 increases the ability of the calculator's Computer Algebra System (CAS) to display more accurate results for inequalities involving polynomials and rational expressions. The table below dis...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/general-information/13820
Solution 12135: Error Invalid Polar Complex on the TI-89 Family, TI-92 Plus and Voyage™ 200.
...e not in the proper polar complex form. Refer to the tips provided below for inputting polar complex numbers. Complex numbers can be entered in two different polar forms.• reiq - Must be entered with the calculator in Radian mode. Inputting polar complex numbers while the calculator is in degree ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/troubleshooting-messages-unexpected-results/12135
Solution 12258: Differences Between the TI-30Xa and the TI-30X IIS/B.
Solution 12258: Differences Between the TI-30Xa and the TI-30X IIS/B. Solution 12258: Differences Between the TI-30Xa and the TI-30X IIS/B. global Solution 12258: Differences Between the TI-30Xa and the TI-30X IIS/B. website ...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/general-information/12258
Solution 40442: Texas Instruments Computer Algebra System (CAS) Calculators Produce an Unexpected Derivative Result for Function Defined with Constant.
...rameter k, evaluating fss(k) substitutes k giving the unexpected result. You can workaround this behavior by using the with "|" command to assign a different variable: Define f(x)=x^3-3k^2*x Define fss(x)=derivative(f(z),z,2)|z=x fss(x) = 6x fss(k) = 6k Solution 40442: Texas Instruments Compute...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/troubleshooting-messages-unexpected-results/40442
Solution 34611: Computing One Way Analysis of Variance (ANOVA) on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...iance (ANOVA) on the TI-83 Plus and TI-84 Plus family of graphing calculators? ANOVA is a procedure used to test the hypothesis that three or more different samples were all selected from populations with the same mean. Example: To compare the distance traveled by three different brands of golf...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34611
Solution 10687: Differences in the TI-30X and TI-30Xa.
...s selected a [k] will appear in the screen and then the [=] key will act as a constant. Another minor change is the way in which the permutation and combination functions are input. For nCr or nPr, the user used to enter [n], press x-exchange-y, enter [r], then press nCr or nPr. Now these functi...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/10687
Predicting White Blood Counts
Students find equations, which best-fit the data, using different regression models built into their calculators. The best method of handling this data, is to break the data into sections and fit different periods of time with different equations. Using their models, they predict when the patie...https://education.ti.com/en/activity/detail/predicting-white-blood-counts
Which Way?
Students' use a motion detector to examine how different types of motion affect the shape of the Distance versus Time plot. They explore how changes in direction and other factors affect the shape of the plot.https://education.ti.com/en/activity/detail/which-way
Vernier - Friction
Students study how the nature of two materials in contact, and the smoothness of their surfaces affect the magnitude of the sliding force of friction. They use a force sensor to measure frictional force for different surfaces.https://education.ti.com/en/activity/detail/vernier--friction
Simulation of the Photoelectric Effect for the TI-83+/TI-84+ Graphing Calculator
The simulation generates photoelectrons into a retarding potential difference. Students can adjust the retarding potential so that the kinetic energy of the photoelectrons can be found. With this information and the wavelength of the photon that generated the photoelectron, Planck's constant ca...https://education.ti.com/en/activity/detail/simulation-of-the-photoelectric-effect-for-the-ti83ti84-graphing-calculator
Putting Things in Place
Students investigate the value of the digits in $8,205.50 and determine the number of thousands, hundreds, tens, ones and even the number of dimes and pennies. The concept is then extended to additional situations. They learn where to place a decimal when writing amounts of money and to perform a...https://education.ti.com/en/activity/detail/putting-things-in-place
Tints and Shades
Students solve a problem involving mixing of paint colors. They use color charts to determine the fractional parts and percentages of colors needed to create tints and shades.https://education.ti.com/en/activity/detail/tints-and-shades
Forensics Case 4 - Flipping Coins: Density as a characteristic property
In this activity, students identify counterfeit coins based on the characteristic property of density. They model data using a linear equation, interpret the slope and intercept values from a linear model, and identify a characteristic property of a substance.https://education.ti.com/en/activity/detail/forensics-case-4brflipping-coins-density-as-a-characteristic-property
Cereal Numbers
Students build numbers from zero to ten with cereal and connect the number name and numeral. Students also explore number sentences for numbers up to ten.https://education.ti.com/en/activity/detail/cereal-numbers
Slam Dunk!
Students will use radius, diameter, length, width, and height to find volume of spheres and prisms as well as area of circles and rectangles. They will discuss when to use a two-dimensional measurement vs. a three-dimensional measurement using spatial reasoning.https://education.ti.com/en/activity/detail/slam-dunk
Conics & Parametrics 1
This activity is a LearningCheck™ to quickly assess students' ability to identify conics from their equations in both rectangular and parametric form.https://education.ti.com/en/activity/detail/conics--parametrics-1