Solution 38856: About TI Rechargeable batteries sold through Amazon
...f lithium-ion batteries and routine maintenance and care for TI Graphing Calculators, please see our battery care page at Solution 33711: Best Care Practices for TI Products With a TI Rechargeable Battery. Please Note: If it’s time to replace your battery, you can place an order for a TI Recharge...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/38856
Solution 31151: Converting Radians to Degrees Using The TI-Nspire™ Family Handhelds and Computer Software.
...eps below: 1) Press [home] and add a Calculator APP. 2) Input the number to convert inside parenthesis. 3) Press [ctrl] [catalog] to display the character/symbol palette. 4) Select r and press [enter]. 5) Press [catalog]. 6) Press [1][ D]. 7) Arrow down to ->DD. 8) Press [enter] 9) Pres...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/31151
Solution 34331: Troubleshooting TI-SmartPad™ Application not Responding on Windows® 7 Platform.
Solution 34331: Troubleshooting TI-SmartPad™ Application not Responding on Windows® 7 Platform. Solution 34331: Troubleshooting TI-SmartPad™ Application not Responding on Windows® 7 Platform. global Solution 34331: Troubleshooting TI-SmartPad™ Application not Responding on Windows® 7 Plat...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/34331
Solution 33051: Calculating lcm() (Least Common Multiple) of Two Arguments on the TI-Nspire™ Family Products.
...iple of two arguments on the TI-Nspire Family Products? The lcm() function returns the least common multiple (LCM) of two arguments. The LCM of two fractions is the LCM of their numerators divided by the greatest common divisor (GCD) of their denominators. The LCM of fractional floating-point num...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/33051
Solution 35072: Troubleshooting a TI-84 Plus C Silver Edition Graphing Handheld That Will Not Charge in the Charging Station.
... that it states that it is 1000 mA or higher.2) Verify the USB cable is completely pushed into the handheld and it is a tight fit.3) Initiate a USB activity by putting the unit in Receive or Transmit mode (no need to connect to another device).4) Press the RESET button on the back of the unit...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/35072
Solution 34232: Finding Common Denominators on the TI-Nspire™ CAS Family.
...omDenom((y2 + y) /((x + 1)2) + y2 + y) • Press [home]. • Press [A] or choose to add a Calculator App. • Press [menu] [3] [9] [4]. • Press [ctrl] [fraction template]. This is the key that is activated by pressing [division]. • Press [Y] [x2] [+] [Y]. • Press [tab]. • Press [(] [X] [+] [1] [)] [x...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/34232
Solution 39837: How to clean up "leaky" AAA or AA batteries on a TI calculator
...aking” from alkaline batteries (like typical AAA or AA batteries you buy at the store) often looks like a white, powdery substance. This substance is actually a base (alkaline), not an acid. How can I help prevent alkaline batteries from leaking or corroding in my calculator? Texas Instruments re...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.
...ditions (technically below the <5% threshold of remaining battery), 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 ba...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/36921
Solution 36981: After attempting to update my operating system TI-Connect CE™ continues to display "Validating OS...“ on the TI-84 Plus Family
...r the OS updates. Simply close the TI Connect CE app and reopen after updating your OS. If the steps above do not resolve your issue please contact TI-Cares for additional assistance. Solution 36981:Attempt to Update Operating System in TI-Connect CE™ Continues to Display "Validating OS.....https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/36981
Solution 35994: Using the Constraint "|" Operator with Defined Derivative Function Gives Unexpected Answer on the TI-Nspire™ CAS Family.
...be -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 ...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/35994
Solution 37715: Program commands that use the left and right parentheses display an unexpected syntax error on the TI-84 Plus CE™.
... and right parentheses display an unexpected syntax error on the TI-84 Plus CE™? There may be an expectation that some syntax entry is valid when in fact it is not.Example:• Create TI-Basic programs with various formats of Wait command argument.• Enter valid input:Wait (500/4076*60)Wait 500/4076*...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/37715
Solution 10391: Linking a TI-83 Family or TI-84 Plus Family Graphing Calculator to a TI-82 Graphing Calculator.
...te is transmitted, the ERR:INVALID menu is displayed when the receiving unit attempts to execute the instruction. For example, on the TI-82, the character group Un-1 is pasted to the cursor location when [2nd] [Un-1] is pressed. The TI-83 family / TI-84 Plus family calculator cannot directly tr...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/10391
Solution 11309: Calculator Applications (Apps) that Can be Used in Physics on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...p me in Physics? A wide range of calculator software Applications (Apps) that are suitable for Physics can be found below: Science Tools - Add, subtract, multiply, and divide vectors, perform unit conversions, calculate significant figures, and more!CellSheet™ - Organize data in spreadsheets on ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/11309
Solution 11979: Purpose of the GarbageCollect Function on the TI-83 Plus Family, TI-84 Plus Family or TI-Nspire™ Handheld in TI-84 Plus Mode.
...ining variables into consecutive blocks. When a variable is unarchived, the amount of free Archive memory increases immediately, but the space is not actually available until after the next garbage collection. To use the GarbageCollect function, follow the steps below: 1) Press [2ND] [0] to disp...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/11979
Solution 11900: Troubleshooting a Texas Instruments Graphing Calculator That Will Not Turn On.
... TI-86 Access the link following for detailed information regarding warranty coverage. If the suggestions do not alleviate the problem, please contact TI-Cares for information regarding service. Solution 11900: Troubleshooting a Texas Instruments Graphing Calculator That Will Not Turn On. ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/11900
Solution 12212: Correcting an Error in Xmit Error Message when Transferring Data Between Two Graphing Calculators.
...n Xmit error message is returned when a connection cannot be established between two calculators when attempting to transfer data. There are several factors that can contribute to this error message. • The calculators being connected are not compatible for data transfer. • The data cable is not ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/12212
Solution 23851: Troubleshooting a TI-84 Plus Family or TI-89 Titanium That Responds Slowly to Key Presses.
...the piece of conductive material can be removed, it may restore the calculator to normal operating condition. If the material cannot be removed, contact TI-Cares Customer Support to proceed with an out of warranty product replacement. If conductive material is not lodged in the I/O port and the...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/23851
Solution 26990: Version Number Error Using Catalog Help On The TI-84 Plus™ Family.
Solution 26990: Version Number Error Using Catalog Help On The TI-84 Plus™ Family. Solution 26990: Version Number Error Using Catalog Help On The TI-84 Plus™ Family. global Solution 26990: Version Number Error Using Catalog Help On The TI-84 Plus™ Family. website ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/26990
Solution 22550: Finding the Circumference of a Circle or the Perimeter of a Shape Using the TI-Nspire™ Family Products.
.... Using the arrow keys, move the cursor to the desired location and press [enter] to set the center point. 4) Use the arrow keys to "expand" or "contract" the circle. When the circle reaches a desirable size, press [enter] to complete the construction. Press [esc] to exit the circle tool. 5) Wit...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/22550
Solution 22750: Unable to Switch Keypads While Using Press-to-Test Mode on a TI-Nspire™ Family Handheld.
... "This key pad is not compatible with the current Press-to-Test mode. Please revert to the key pad used when entering Press-to-Test mode." No further actions on the handheld will be permitted. The only solution to this problem is to install the keypad used to invoke Press-to-Test. This is a featu...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/22750
Solution 26830: Definition of LEDs on the TI-Nspire™ Handheld and Wireless Cradle.
... their meaning on the TI-Nspire handheld and wireless cradle? There are two LED Indicators on the cradle, one for battery and the other for wireless activity. Handheld IndicatorsAttaching the cradle to the handheld and turning the cradle switch into the ON position will change the status indic...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/general-information/26830
Solution 11993: Correcting a Syntax Error When Running a Program on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...play will read: 5) Press [ENTER] and the program should run. Please Note: If the program is still returning an error, Texas Instruments suggests contacting the developer of the program (most programs downloaded from the Internet contain a readme.txt file which usually has contact information for...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/11993
Solution 12003: Troubleshooting a TI-83 Plus Family or TI-84 Plus Family Calculator that Displays Garbage Collecting... for More Than 20 Minutes.
...emaining variables into consecutive blocks. When a variable is unarchived, the Archive free memory amount increases immediately, but the space is not actually available until after the next garbage collection. If garbage collecting is more than 20 minutes, the calculator has possibly locked up ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/12003
Solution 12680: Return Policy for Items Purchased from Texas Instruments.
...s? Texas Instruments has a 30-day return policy on all products that are purchased directly through Texas Instruments. To return an item, please contact Texas Instruments at 1-800-842-2737. Please allow a one-month billing cycle to pass before viewing the refund on credit card statement.Please N...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/warranty-replacement-options/12680