Top Ten Parent Questions | Texas Instruments
...o help students learn, understand and apply math and science concepts in the classroom, at home and on important exams. A graphing calculator is a valuable, long-term investment for both middle and high school students that is durable enough to last all the way through undergraduate and graduate ...https://education.ti.com/en/customer-support/top-ten-parent-questions
Technology Loan Service
...hnology can enhance your pupils' learning.It's an ideal way for you to get TI products for teacher workshops, in-service training or to borrow individual calculators for you and your colleagues to evaluate. TI Technology Loan Service Reservation should be made 4 weeks priore to the even...https://education.ti.com/en/customer-support/technology-loan-service
Solution 30290: Calculating with an Imaginary Number or the Exponential Constant on the TI-Nspire™ Family Products.
... wrong result when calculating a problem with an imaginary number or the exponential constant on the TI-Nspire family products? When entering in equations that involve imaginary numbers (i) or exponential constant (e), you would not use the buttons [i] or [e]. These are intended for variables....https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/30290
Solution 12704: Locating the Serial Number and Manufacturing (Date) Code on TI Calculators.
...the back casing of the calculator. To find the serial number, look for a string of numbers such as 2056018567. This number is assigned to each individual calculator.To find the manufacturing (date) code, look for a string of letters and numbers such as I-0498A. This number is not unique, meaning ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/12704
Solution 12706: Chemicals in the LCD Screen and Casing of a Texas Instruments Calculator.
...s, 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 products manufactured on or after April 1, 2006 meet...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/12706
Solution 10619: Difficulties Running Third-Party Developed Programs on Texas Instruments Graphing Calculators.
...shows "Prgm PrgmName", where "PrgmName" is the name of program selected. • Press [ENTER] to launch the program. If the program will not run in the usual manner, then the program(s) may be of assembly type. To run an assembly program on the TI-83 Plus family or TI-84 Plus family, follow the steps...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/10619
Solution 30951: Calculating and Graphing a Median-Median Regression on the TI-Nspire™ Family and TI-Nspire Computer Software.
...o I calculate and graph a Median-Median Regression on the TI-Nspire Family and TI-Nspire Computer Software? Med-Med (median-median) fits the model equation y=ax+b to be data using the median-median line (resistant line) technique, calculating the summary points x1,y1,x2,y2,x3 and y3. Med-Med dis...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/30951
Solution 12206: Unable to Send a Backup ROM Image of a Texas Instruments' Graphing Calculator on a Macintosh® Computer.
..., the image backup will not be compatible. The ROM image will need to be sent to a calculator that supports that ROM version. Once all of the individual data items are retrieved from that graphing calculator, they will need to be placed into a "group" file. Group files contain much the same info...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/12206
Solution 39817: TEA (Texas Education Agency) Calculator Policy for the TI-83 Plus, TI-84 Plus and TI-Nspire Families of Calculators
... STAAR exams. STAAR Calculator Policy states the following functions must be disabled during testing: • Geometry functions • Graphing implicit equations and inequalities • Graphing inequalities (calculator/application automatically interprets the inequality symbol) • Polynomial root find...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/39817
Solution 17090: Troubleshooting when the Y= Editor Screen Displays X= instead of Y= on the TI-83 Plus Family and TI-84 Plus Family.
...allow me to graph according to the X axis and not according to Y? If X= is displayed instead of the standard Y= when [Y=] is pressed, then the Inequality Graphing Application (App) is enabled on the TI-83 Plus family or TI-84 Plus family calculator. In order to restore the Y= Editor, the Ineq...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/17090
Solution 31111: Creating an Amortization Table with the TI-Nspire™ Family Handhelds or TI-Nspire™ Family Software.
...nts. PmtAt is the payment due at the end or beginning of each period, default is always = end. PpY and CpY can be changed depending if compounding annually, monthly, or semiannually. • If you omit Pmt, it defaults to Pmt=tvmPmt(N,I,PV,FV,PpY,CpY,PmtAt). • If you omit FV, it defaults to FV=0. ro...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/31111
Solution 18329: Troubleshooting a Texas Instruments Graphing Calculator that Rapidly Drains Batteries.
...e wary of 3rd party programs/games. Many of these maintain large data loads. Others bypass our power management schemes and consume more power than usual. • Make sure that new batteries of the same brand and level of charge are used. Do not mix old and new batteries, or batteries of different bra...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/18329
Solution 32931: Computing Cross Product Using the TI-Nspire™ Family Products.
...ess the [Right Arrow] once. 8) Press [,] [ctrl] [ [ ] ]. 9) Press [4] [,] [5] [,] [7]. 10) Press [Enter]. Please Note: List1 and List2 must have equal dimension, and the dimension must be either 2 or 3. Both Vector1 and Vector2 must be row vectors, or both must be column vectors. Both vectors...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/32931
Solution 32991: Computing Cross Product on the TI-Nspire™ Family.
... Press [2] [,] [2] [,] [3]. 5) Press [►] [,] [ctrl] [ [] ]. 6) Press [4] [,] [5] [,] [7]. 7) Press [enter]. Please Note: List1 and List2 must have equal dimension, and the dimension must be either 2 or 3. Both Vector1 and Vector2 must be row vectors, or both must be column vectors. Both vectors ...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/32991
Solution 34212: Calculating Cubic Regressions on the TI-Nspire™ Family Handhelds.
...rch How do I calculate a cubic regression on a TI-Nspire Family handheld? Cubic Regression is a process by which the cubic (third degree) equation of "best fit" is found for a set of data. The following example will demonstrate how to calculate a cubic regression: X= {15, 25, 50, 50, 75...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/34212
Solution 24631: The Computer Algebra System (CAS) and Texas Instruments Graphing Calculators.
...f mathematical expressions in symbolic form. The principal difference between a calculator with CAS and one without CAS is the ability to deal with equations symbolically rather than numerically. Texas Instruments products that have the Computer Algebra System include: ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/24631
Solution 35072: Troubleshooting a TI-84 Plus C Silver Edition Graphing Handheld That Will Not Charge in the Charging Station.
...ase Note: If you are using a wall charger, make sure you are using a TI wall charger or other UL-certified USB charger rated for at least 1 amp (usually written as “1A” or “1000 mA”). To determine whether your charger is UL-certified, flip it over to the inside, and read the label. Look for t...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/35072
Solution 36476: Resolving a Nonreal Answer/Ans Error on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...s returned if the answer to a problem contains an imaginary number. For example, if your calculator is in real mode, and you try to compute for the square root of negative one, you get the following error message: To resolve this error, first, ensure that the problem is entered correctly. If the...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/36476
Solution 39837: How to clean up "leaky" AAA or AA batteries on a TI calculator
...Base Search Cleaning a TI calculator with "leaky" AA or AAA batteries. What causes alkaline batteries to leak or corrode? All batteries gradually self-discharge (whether installed in a device or not), and dead batteries will eventually leak. Extremely high temperatures can also cause ba...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/39837
Solution 36921: TI-84 Plus CE when at low battery may display an Xmit error.
...attery), if a user attempts to perform a unit to unit communication the communication/transaction may not complete.When encountering a low battery situation, the system notifies the user that they should recharge their battery. In low battery conditions, functions may cease to work properly in t...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/36921
Solution 35955: Creating A Polar Rose With TI-Nspire™ Family Handhelds
...or Polar Functions. 3) Press [5], [*], [trig], [Enter], [6]. 4) Press [pi], select the [Θ] icon, and press [ENTER]. 5) Press [)] to finish the equation, and then press [ENTER] to graph it. Please see the TI-Nspire family guidebooks for additional information. Solution 35955: Creating A Po...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/35955
Solution 35994: Using the Constraint "|" Operator with Defined Derivative Function Gives Unexpected Answer on the TI-Nspire™ CAS Family.
...-12, however the calculator will return an answer of positive 14. The reason for this is when entering the constraint of x=k, the TI-Nspire CAS is actually computing the expression below: derivative(derivative(1/k*k^3-9*k^2+15*k*k,k),k) To receive the expected answer, you must first simplify the...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/35994
Solution 24631: The Computer Algebra System (CAS) and Texas Instruments Graphing Calculators.
...f mathematical expressions in symbolic form. The principal difference between a calculator with CAS and one without CAS is the ability to deal with equations symbolically rather than numerically. Texas Instruments products that have the Computer Algebra System include: ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/24632
Solution 10389: Differences in Features Between the TI-82 and TI-83.
...ultiple graph styles to differentiate the look of each graph• Graph-Table split screen (in addition to the horizontal split screen)• An interactive Equation Solver• Ability to give names to lists, attach formulas to lists, and enter 999 elements (compared to 99 on the TI-82)• Logistic Regression ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/10389
Solution 10390: Different File Extensions for the TI-83.
...extensions to function correctly. TI-83: • .83b Backup memory image • .83c Complex variable • .83d GDB (graph database) • .83e Expression (numbers, equations, etc.) • .83f Function (Y-Vars, user-defined functions, etc.) • .83g Group • .83i Picture • .83l List • .83m Matrix • .83n Number • .83p Pr...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/10390