NASA Events Calendar
...apibus Aenean eu leo quam. Pellentesque ornare sem lacinia quam venenatis vestibulum. Maecenas faucibus mollis interdum. Pharetra Ornare Mattis Magna Commodo As part of NASA and Texas Instruments’ The Search for STEMnauts contest, NASA is providing live, behind-the-scenes access and a...https://education.ti.com/en/promotion/nasa-event-calendar
Voronoi Diagrams | TI-83 Plus and TI-84 Plus family | Geometry and Trigonometry
...led at using Cabri Jr. you can also share with the students how to create a Voronoi Diagram in the handheld. Students will need a ruler and pencil to complete the activity. Also, having colored pencils when the Voronoi Diagram is created will help distinguish the cells that are created. ...https://education.ti.com/en/ib/activities/applications-interpretation/84-voronoi-diagrams
TJ Warren Donates TI Calculators
...apibus Aenean eu leo quam. Pellentesque ornare sem lacinia quam venenatis vestibulum. Maecenas faucibus mollis interdum. Pharetra Ornare Mattis Magna Commodo Professional basketball star donates TI calculators to his former high school Juniors at Riverside High School in Durham, North...https://education.ti.com/en/success-story/tj-warren-donates
Solution 12065: nSolve() (Numeric Solve) Function Algorithm for the TI-89 Family, TI-92 Family, Voyage 200 and TI-Nspire™ CAS Family Products.
... The algorithm used for nSolve() by the TI-89 family, TI-92 family, Voyage 200 and TI-Nspire CAS family products is described below. nSolve() uses a combination of bisection and the secant method, as described in Shampine and Allen Numerical Computing: An Introduction, W.B. Saunders Co., 1973. ...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/12065
Solution 36975: When Press-to-Test mode is ENABLED on the TI-84 Plus CE™ the power management state known as “Deep Sleep” will not occur.
... Home | TI-83 Plus and TI-84 Plus family of products Knowledge Base Knowledge Base Search How come when Press-to-Test mode is enabled on the TI-84 Plus CE™ the power management state known as “Deep Sleep” will not occur? When Press-to-Test ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/36975
Solution 11694: Algorithm Used for Calculating the Inverse of a Matrix on a Texas Instruments Graphing Calculator.
... Knowledge Base Search How is the inverse of a matrix calculated? Texas Instruments graphing calculators use a LU (Lower-Upper) decomposition or factorization algorithm when calculating the inverse of a matrix (reference "Numerical Methods and Software" by Kahaner, Moler, an...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11694
Solution 11576: Algorithm Used for Calculating the Sine Regression On the TI-86, TI-83 Family, or TI-84 Plus Family.
...re errors.J? = sum[({a*cos(c)}*sin(b*x(k)) + {a*sin(c)}*cos(b*x(k)) + d - y(k))^2], for n = 1,2,...,nHence, the period/frequency guess can be used to compute the three parameters a*cos(c), a*sin(c) and d that minimize J? using linear regression methods. This gives us an initial guess at all the p...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11576
Solution 12650: Calculating Trigonometric Functions on the TI-81.
Solution 12650: Calculating Trigonometric Functions on the TI-81. Solution 12650: Calculating Trigonometric Functions on the TI-81. global Solution 12650: Calculating Trigonometric Functions on the TI-81. website ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12650
Solution 11819: Algorithm for Solving Systems of Equations on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...re systems of equations solved 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 use...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11819
Solution 11842: Algorithm Used for Symbolic Integration Function on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...d by substitutions, integration by parts, and partial-fraction expansion, much as described by J. Moses in "Symbolic Integration: The Stormy Decade", Communications of the ACM, August 1971, Volume 14, Number 8, pp. 548-559. Antiderivatives are NOT computed by any of the Risch-type algorithms. Def...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11842
Solution 12042: Algorithm for Summation on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...mmations calculated on the TI-89 family, TI-92 family, and Voyage 200 graphing calculators? The following the example will demonstrate how to use and compute summations using the TI-89 family, TI-92 family, and Voyage 200 graphing calculators. The syntax for the å ( function, which is accessed ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12042
Solution 11866: Algorithm for the Taylor() Series Function on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...and Voyage 200 calculators? The algorithm for the taylor() function is as follows. taylor(u,x,n,a) is the sum(limit(d(u,x,k),x,a)*(x-a)^k/k!,k,0,n), computed iteratively to avoid redundant computation of lower-order derivatives.Please see the TI-89 family, TI-92 family and Voyage 200 guidebooks...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11866
Solution 11865: The isPrime() Algorithm on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...eate these divisors, but cyclically adds the sequence of increments 2, 2, 4, 2, 4, 2, 4, 6, 2, 6 to generate these primes plus a few extra harmless composites. TI-92 Plus and TI-89 family start the same way, except that they stop this trial division after trial divisor 1021, then switch to a ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11865
Solution 11863: The factor() Function Algorithm on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...ds include the well-known factorizations of binomials and quadratics, together with methods described by Geddes, Czapor and Labahn, "Algorithms for Computer Algebra", Kluwer Academic Publishers, Boston, 1992. Laguerre's method is used for approximate polynomial factorization. (Press et. al: "...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11863
Solution 11843: Limit() Function Algorithm on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
... Search How are limits calculated on the TI-89 Family, TI-92 Family, and Voyage 200 graphing calculators? Limits of indeterminate forms are computed by series expansions, algebraic transformations and repeated use of L'Hopital's rule when all else fails. Limits of determinate forms are ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11843
Solution 10410: Algorithm for the Solver Function on the TI-85 and TI-86.
...the function evaluates to about -3E-13 (-12.5 on the graph). However, in the range of about +/- 2E-7 either side of x=-1, the function evaluation becomes erratic, with exact zero evaluations where pixels are blank and evaluations with positive sign at the top of the graph. The width of this e...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10410
Solution 11743: Algorithm for the dotP() Function on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
... Knowledge Base Search How does the dotP() function work on the TI-89 family, TI-92 family, and Voyage 200 graphing calculators? The dotP() command is implemented on the TI-89 Titanium, TI-92 family, and Voyage™ 200 calculators as an inner product of its arguments. The inner product is ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11743
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.
...ledge Base Search How is the determinant of a square matrix calculated on the TI-81, TI-82, TI-83, TI-85, and TI-86? Many methods exist for computing the determinant of 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 meth...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11569
Ratios in Regular Polygons
Students use linear measurement and calculators to investigate the ratios between corresponding parts of regular polygons.https://education.ti.com/en/activity/detail/ratios-in-regular-polygons
Solution 38457: TI-Nspire CX™ software crashs while navigating from the file selection window.
...hile navigating from the file selection window. website Home | Computer Software, iPad and Chrome Apps Knowledge Base Knowledge Base Search Why does the TI-Nspire software crash while...https://education.ti.com/en/customer-support/knowledge-base/sofware-apps/troubleshooting-messages-unexpected-results/38457
Solution 11488: Definition of the Error Message "The software you are installing has not passed Windows® Logo testing" When Installing the TI Connect™ Software Using a TI Connectivity Kit USB Cable.
...Software Using a TI Connectivity Kit USB Cable. website Home | Computer Software, iPad and Chrome Apps Knowledge Base Knowledge Base Search What does the error message "The software y...https://education.ti.com/en/customer-support/knowledge-base/sofware-apps/troubleshooting-messages-unexpected-results/11488
Solution 12404: Availability of Texas Instruments Printing Calculator Ink Rollers and Thermal Paper.
...carry supplies for your specific printing calculator model. If you require further assistance, please contact us at 1-800-TI-CARES or at ti-cares@ti.com Solution 12404: Availability of Texas Instruments Printing Calculator Ink Rollers and Thermal Paper. Download Printing_calculator_...https://education.ti.com/en/customer-support/knowledge-base/all-other-products/general-information/12404
Solution 20909: Troubleshooting TI Software That is Visually Distorted for Windows® Platforms.
...t is Visually Distorted for Windows® Platforms. website Home | Computer Software, iPad and Chrome Apps Knowledge Base Knowledge Base Search How do I correct the visual distortion of T...https://education.ti.com/en/customer-support/knowledge-base/sofware-apps/troubleshooting-messages-unexpected-results/20909
Borrow TI Technology
... Loans are subject to availability, intended use and duration. Priority is given to teacher professional development events. To request a loan please complete the appropriate Workshop Loan Request Form 30 days prior to the start date of your event. Guidelines and Responsibilities Loan must b...https://education.ti.com/en/customer-support/workshop-loan-program
Solution 22172: Troubleshooting TI-SmartView™ Software Displaying a Splash Screen and Failing to Load.
...Displaying a Splash Screen and Failing to Load. website Home | Computer Software, iPad and Chrome Apps Knowledge Base Knowledge Base Search Why does the TI-SmartView software fail to ...https://education.ti.com/en/customer-support/knowledge-base/sofware-apps/computer-software-installation-activation/22172