Meet TI Teacher of the Month: Lisa Goddard
... teach others. Whether this was through tutoring or coaching swim lessons, it has always felt natural for me to help others learn and grow. "It’s truly awesome to see that aha! moment when students finally understand a concept they’ve been struggling with." Lisa Goddard, TI Teacher of the Mont...https://education.ti.com/en/bulletinboard/2019/march/teacherofthemonth
Error Codes for Account-based Licenses | Texas Instruments
...ied using the date and time on your workstation. It is possible the clock has been changed on your workstation where a license is being used. It is recommended to uninstall and reinstall the application, if applicable. If the error persists, please take a screen shot of the error code, and send t...https://education.ti.com/en/customer-support/error-code
Education Technology Communication Management
Education Technology Communication Management global website Education Technology Communication Management The links below are for updating your profile information and subscribing or unsubscribing from...https://education.ti.com/en/customer-support/communication-management
Solution 12706: Chemicals in the LCD Screen and Casing of a Texas Instruments Calculator.
...ld limits were set based on European Directives, California regulations and accepted industry practices for consumer electronics. Testing of the case components by an independent lab has shown actual amounts of Lead and Cadmium to be below detectable limits (~5ppm).All Education Technology produc...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/12706
Solution 10572: Texas Instruments Resources for Test Preparation.
...lators are a vital tool for high school mathematics and science. A student with his or her own graphing calculator for use at home or at school may become more proficient with the technology and enjoy the benefits it can provide throughout high school. Many high-stakes exams require or recommend...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/10572
Solution 30931: Computing the Doolittle LU (lower-upper) Decomposition of a Matrix on the TI-Nspire™ Family and TI-Nspire Computer Software.
... Knowledge Base Search How do I compute the LU decomposition of a matrix on the TI-Nspire family or TI-Nspire Computer software? The instructions below demonstrate how to compute the Doolittle (lower-upper) decomposition of a real or complex matrix on the TI-Nspire family and TI-Nspi...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/30931
Solution 10619: Difficulties Running Third-Party Developed Programs on Texas Instruments Graphing Calculators.
...sing parenthesis [)] followed by [ENTER] Please Note: If the program does not run, make sure that the operating system version on your calculator is compatible with the program. Some assembly language programs require specific versions of the calculator operating system. Please consult the progr...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/10619
Solution 18329: Troubleshooting a Texas Instruments Graphing Calculator that Rapidly Drains Batteries.
... Knowledge Base Search How do I troubleshoot a Texas Instruments graphing calculator that rapidly drains batteries? The most common causes of rapid battery drain are programs/games, mismatched batteries, and negative charge build up. If a calculator is experiencing rapid ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/18329
Solution 26350: Recommendation for Disinfecting TI Handheld Products.
... family of products Knowledge Base Knowledge Base Search How can I disinfect TI handheld products? Texas Instruments is concerned about the health and safety of students using personal and school-owned calculators and recommends cleaning methods that meet ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/26350
Solution 29710: Calculating Combinations and Permutations on the TI-Nspire™ Family Products.
...On the calculator screen: 1) Press [Menu] [5] [2] to select nPr( 2) Input 10,3) 3) Press [Enter] For more information regarding your Texas Instruments TI-Nspire graphing calculator, please refer to the guidebooks section. Solution 29710: Calculating Combinations and Permutations on the TI...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/29710
Solution 38375: Troubleshooting Connectivity Issues with Texas Instruments SilverLink USB cable on Mac OSX.
...leshooting Connectivity Issues with Texas Instruments SilverLink USB cable with TI-Connect on Mac OSX. If a graphing calculator fails to connect to a computer, follow the instructions below to troubleshoot the connection problem: Please Note: The steps below are only for the Texas Instruments Si...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/38375
Solution 12005: Unexpected Complex Answer Results (i Imaginary) on the TI-83 Plus, TI-84 Plus, and TI-84 Plus C Silver Edition.
...e expected answers within a certain tolerance. However, this has the potential to create problems in some types of calculations. Therefore, Texas Instruments decided to use no rounding schemes on this type of calculation. Please see the TI-83 Plus and TI-84 Plus Family guidebooks for additional i...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/12005
Solution 11782: Performing Polar Complex Number Calculations in Degree Mode on Graphing Calculators.
...xponential, logarithmic, hyperbolic, or inverse-hyperbolic functions. Consequently, radian-mode identities between these functions are not generally true for degree mode when the inputs or results are non-real. For example, degree-mode scaling is applied to cos(X) + i sin(X) but not to the radian...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/11782
Solution 20169: TI-Nspire™ Computer Link Software and USB Hub Compatibility
...s Knowledge Base Knowledge Base Search Is TI-Nspire Computer Link software compatible with USB Hubs? At this time, Texas Instruments will not support a TI-Nspire family handheld connected to a computer via a USB hub. TI-Nspire Family handhelds will need to be connected di...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/general-information/20169
Solution 11993: Correcting a Syntax Error When Running a Program on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...0] to access the CATALOG menu. 2) Press the [MATH] key which corresponds with the letter A and scroll down to Asm(. 3) Press [ENTER] to copy the Asm( command to the home screen: 4) Press the [PRGM] key and select the name of the program to run. For example, if the name of the program is "Algebra...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/11993
Solution 31911: Using the Taylor Series Command on the TI-Nspire™ CAS Handhelds and TI-Nspire CAS Family Software.
...? For Example: Find the third degree Taylor polynomial for y=ln(x) expanded about 1. To use the Taylor series command, please use the following instructions: 1) Select a calculator document 2) Press [menu] and select 4: Calculus 3) Press the arrow down and select C: Series 4) Then select ...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/31911
Solution 22234: TI-Nspire™ Family Handheld Showing Busy Signal for an Extended Period of Time When Doing Complex Calculations.
...er to stop the handheld from showing the busy for an extended period of time, break the calculation. To break a calculation, please see the below instructions:• Press and hold the [on] key.• After a few seconds an error "BREAK" message will appear• Press [tab] to choose from either "View" "Go To"...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/22234
Solution 32491: Constructing a Matrix Using the TI-Nspire™ Family Products.
...) constructMat( will display on the screen. 6) Input constructMat(x^2+6y,x,y,3,4) as shown below: 7) Press [enter] Please Note: The constructMat command returns a matrix based on the arguments. Expr is an expression in variables Var1 and Var2. Elements in the resulting matrix are formed by e...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/32491
Solution 12633: Purchasing Replacement Parts and Accessories From Texas Instruments.
...tivity cables, and accessories are available for purchase from the TI-Online Store. Guidebooks are also available electronically on the education.ti.com website. Replacement parts and accessories can also be purchased by calling TI-Cares and using a major credit card. Solution 12633: Purchasin...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/purchase-check-order-status/12633
Solution 34873: Correcting a Syntax Error When Running a Program on the TI-84 Plus C Silver Edition.
...0] to access the CATALOG menu. 2) Press the [MATH] key which corresponds with the letter A and scroll down to Asm(. 3) Press [ENTER] to copy the Asm( command to the home screen: 4) Press the [PRGM] key and select the name of the program to run. For example, if the name of the program is "Algebra...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34873
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 11777: Logarithm Calculations on Texas Instruments Graphing Calculators.
... Knowledge Base Search How do I calculate logarithms using Texas Instruments graphing calculators? The following examples show how to compute a logarithm on Texas Instruments graphing calculators. Using the TI-80, TI-81, TI-82, TI-83 family, TI-84 Plus family, or TI-Nspire™ hand...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11777
Solution 36983: Problems when sending invalid files accompanied with valid files at one time in TI-Connect CE™ on Windows®.
...ons .exe, .dmg or .zip and files containing valid graphing calculator files could cause the TI Connect CE software to exhibit odd behavior. Texas Instruments is aware of the reported problem and may be resolved at the earliest in a future release. Solution 36983: Problems when Sending Invalid Fi...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/36983
Solution 11749: Factorials of Decimal (0.5) Numbers on Texas Instruments Graphing Calculators.
... Base Search Why do I get an answer when I factor numbers ending in .5 on my graphing calculator? Factorial is defined as: The factorial is computed recursively using the relationship, (n+1)! = (n+1)*n!, until n is reduced to either 0 or -1/2. At this point, the definitions, 0! = 1 or ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11749
Solution 34912: Running an Assembly Program on the TI-84 Plus C Silver Edition, TI-84 Plus and TI-83 Plus.
...program on the TI-84 Plus C Silver Edition, TI-84 Plus and TI-83 Plus, please follow the steps below: • Press [2nd] [CATALOG]. • Press [↓] until Asm( command is selected and press [ENTER]. • Press [PRGM] and select the name of the program under the EXEC menu. • Press [ENTER]. • The display will r...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34912