Solution 31051: Unexpected Answer Returned When Calculating Negative Roots Using the TI-Nspire™ Family and TI-89 Family In Rectangular Mode.
... Home | TI-Nspire™ family of products Knowledge Base Knowledge Base Search Why do I receive an incorrect answer when I calculate negative roots using my TI-Nspire family handheld or TI-89 family graphing calculator in recta...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/31051
Solution 17090: Troubleshooting when the Y= Editor Screen Displays X= instead of Y= on the TI-83 Plus Family and TI-84 Plus Family.
... Home | TI-83 Plus and TI-84 Plus family of products Knowledge Base Knowledge Base Search Why does the Function Editor screen only allow me to graph according to the X axis and not according to Y? If X= is displayed instead of the stan...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/17090
Solution 35934: Correcting a Domain Error When Using the lcm() or gcd() Command on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators?
... Home | TI-83 Plus and TI-84 Plus family of products Knowledge Base Knowledge Base Search Why do I get a Domain error when using the lcm() or gcd() command on the TI-83 Plus and TI-84 Plus family of graphing calculators? The input for lcm...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/35934
Solution 36921: TI-84 Plus CE when at low battery may display an Xmit error.
... Home | TI-83 Plus and TI-84 Plus family of products Knowledge Base Knowledge Base Search Why does the TI-84 Plus CE when at low battery display an Xmit error? In certain low battery conditions (technically below the <5% threshold of rema...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
... Home | TI-83 Plus and TI-84 Plus family of products Knowledge Base Knowledge Base Search Why after attempting to update my operating system on the TI-Connect CE™ software it continues to display "Validating OS...“? After the operating sy...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.
... Home | TI-Nspire™ family of products Knowledge Base Knowledge Base Search Why do I receive an unexpected answer when using the constraint "|" operator with my defined derivative function on the TI-Nspire CAS Family? When u...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™.
... Home | TI-83 Plus and TI-84 Plus family of products Knowledge Base Knowledge Base Search Why do the program commands that use the left and right parentheses display an unexpected syntax error on the TI-84 Plus CE™? There may be an expect...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/37715
Solution 37716: Scrolling a large list on the TI-84 Plus CE™ home screen displays odd information.
... Home | TI-83 Plus and TI-84 Plus family of products Knowledge Base Knowledge Base Search Why does the screen displays odd information while scrolling through a large list on the TI-84 Plus CE™ home screen? There are some scenarios where ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/37716
Solution 12013: Resolving the "Does Not Exist" Error When Using the Start-Up Customization App on the TI-83 Plus and TI-84 Plus.
... Home | TI-83 Plus and TI-84 Plus family of products Knowledge Base Knowledge Base Search Why do I get the error message "Does Not Exist" when I turn on the TI-83 Plus and TI-84 Plus? The Start-Up Customization app looks for a program, pi...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/12013
Solution 12005: Unexpected Complex Answer Results (i Imaginary) on the TI-83 Plus, TI-84 Plus, and TI-84 Plus C Silver Edition.
... Home | TI-83 Plus and TI-84 Plus family of products Knowledge Base Knowledge Base Search Why does the TI-83 Plus, TI-84 Plus, and TI-84 Plus C Silver Edition not return -i when calculating i^7? The answer displayed when calculating i^7 ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/12005
Solution 11943: Correcting "ERR:DOMAIN" When Attempting to Find the Inverse of a Matrix on the TI-83 Family and TI-84 Plus Family Graphing Calculators.
... Home | TI-83 Plus and TI-84 Plus family of products Knowledge Base Knowledge Base Search Why do I recieve an ERR:DOMAIN when I try to find the inverse of a matrix on the TI-83 family and TI-84 Plus family graphing calculators? Why do I...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/11943
Solution 12216: Graph of nDer(sin(x)) on Graphing Calculators is Different in Degrees and Radians.
... Home | TI-83 Plus and TI-84 Plus family of products Knowledge Base Knowledge Base Search Why is the graph of nDer(sin(x)) different in degrees and radians? The graph is different in degrees and radians because the derivative is different...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/12216
Solution 11883: Graphing Calculator Seems to Slow Down When the TI Connectivity Cable is Inserted.
... Home | TI-83 Plus and TI-84 Plus family of products Knowledge Base Knowledge Base Search Why does my graphing calculator seem to slow down when the TI connectivity cable is attached? If the TI Connectivity cable is not completely insert...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/11883
Solution 14510: Unexpected Results for Standard Normal Cumulative Distribution Using the normalpdf () Function on TI-83 Plus Family or TI-84 Plus Family Graphing Calculators.
... Home | TI-83 Plus and TI-84 Plus family of products Knowledge Base Knowledge Base Search Why am I getting the wrong answer when computing Standard Normal Cumulative Distribution using the normalpdf () function on my TI-83 Plus family or ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/14510
Solution 11778: Different Logistic Regression Models Available On Current Texas Instruments Graphing Calculators.
... Home | TI-83 Plus and TI-84 Plus family of products Knowledge Base Knowledge Base Search Why is the logistic regression computed on the TI-83 family, TI-84 Plus family, TI-Nspire family, and TI-Nspire handheld in TI-84 Plus mode differen...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/11778
Solution 23851: Troubleshooting a TI-84 Plus Family or TI-89 Titanium That Responds Slowly to Key Presses.
... Home | TI-83 Plus and TI-84 Plus family of products Knowledge Base Knowledge Base Search Why does my TI-84 Plus or TI-89 Titanium respond slowly to key press entries? Issue/Symptom: When making key press entries, the product responds sl...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.
... Home | TI-83 Plus and TI-84 Plus family of products Knowledge Base Knowledge Base Search Why do I get a version number error when I try to use the Catalog Help application with the 2.53 or higher version of the TI-84 Plus Family Operatin...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/26990
Solution 40158: Transferring the TI-84 Plus CE Bundle version 5.6.0.20 displays the error "Not for you" using TI-Connect CE 5.4.0.1181.
... Home | TI-83 Plus and TI-84 Plus family of products Knowledge Base Knowledge Base Search Why does the TI-84 Plus CE Bundle version 5.6.0.20 displays the error "Not for you" while transferring using TI-Connect CE 5.4.0.1181? The TI-84 P...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/40158
Solution 34424: Coefficient (r-Values) are not Displayed When Calculating Statistical Regressions on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
... Home | TI-83 Plus and TI-84 Plus family of products Knowledge Base Knowledge Base Search Why are the r-values not automatically displayed when I calculate a statistical regression on the TI-83 Plus and TI-84 Plus family of graphing calcu...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/34424
Solution 22750: Unable to Switch Keypads While Using Press-to-Test Mode on a TI-Nspire™ Family Handheld.
... Home | TI-Nspire™ family of products Knowledge Base Knowledge Base Search Why can't the keypads be switched while in Press-to-Test Mode on a TI-Nspire family handheld? When in "Press To Test" mode TI-Nspire handhelds can ...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/22750
Solution 34924: Dots or Lines Appearing on a Graph When Using the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
... Home | TI-83 Plus and TI-84 Plus family of products Knowledge Base Knowledge Base Search Why does my graph have lines or dots through the display on the TI-83 Plus and TI-84 Plus family of graphing calculators? After graphing a series o...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/34924
Solution 36982: Error Code 6 or 39 displays on TI-Connect CE™ when an APP is transfered to the TI-84 Plus or TI-84 Plus Silver Edition calculator.
... Home | TI-83 Plus and TI-84 Plus family of products Knowledge Base Knowledge Base Search Why does an “Error Code 6 or 39” display on TI-Connect CE™ when I transfer an app to my TI-84 Plus or TI-84 Plus Silver Edition? This error code oc...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/36982
Solution 24070: Unable to Change a Function into a Family of Functions From the Calculator Application Using the TI-Nspire™ Family.
... Home | TI-Nspire™ family of products Knowledge Base Knowledge Base Search Why am I unable to change a function into a family of functions from the calculator App on my TI-Nspire family? Once an item is defined as a functi...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/24070
Solution 24493: Missing Graph Lines When Graphing a Family Functions on the TI-Nspire™ Family Products.
... Home | TI-Nspire™ family of products Knowledge Base Knowledge Base Search Why am I missing lines when graphing a family functions on the TI-Nspire family products? The TI-Nspire family is limited on the amount of numbers t...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/24493
Solution 38066: TI-84 Plus CE Program does NOT work when using COLOR menu Values for LED COLOR selections or RGB LED selections.
... Home | TI-83 Plus and TI-84 Plus family of products Knowledge Base Knowledge Base Search Why does a TI-84 Plus CE program not work when using COLOR menu Values for LED COLOR selections or RGB LED selections? When developing programs that...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/38066