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-Ns...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 30951: Calculating and Graphing a Median-Median Regression on the TI-Nspire™ Family and TI-Nspire Computer Software.
...I-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 displays values for a (Slope) and b (y-intercept). The follow...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/30951
Solution 13980: OS Restore in TI Connect™ for Macintosh® not Detecting Calculators Without the Operating System.
...ectivity cable? Follow the below steps to get the device recognized by TI OS Restore: • Unplug the TI Connectivity Cable from the device and from the computer• Turn off then turn on the calculator• Plug the cable into the calculator• Plug the cable into the computer• Wait about 20 seconds to see ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/13980
Solution 31151: Converting Radians to Degrees Using The TI-Nspire™ Family Handhelds and Computer Software.
... family handhelds and computer software? To convert radians to degrees using the TI-Nspire family handhelds and computer software, please follow the steps below: 1) Press [home] and add a Calculator APP. 2) Input the number to convert inside parenthesis. 3) Press [ctrl] [catalog] to display the...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/31151
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 34537: Attaching a Formula to a List Name in Stat List Editor on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...R]. • Press [ALPHA] [+] to access ". • Press [2ND] [1] [+] [2ND] [2] to enter L1+L2. • Press [ALPHA] [+]to enter the closing " followed by [ENTER] to complete the formula entry. Please Note: If a formula in quotation marks is displayed on the entry line, then a formula is already attached to the ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/34537
Solution 29850: Resolving Issues With TI-84 Plus Family Calculators That Display “Validating Operating System 100%” After An Operating System Update.
....To resolve this issue, simply transfer operating system version 2.55 MP to your TI-84 Plus Family calculator, and wait for the validation process to complete before pressing any buttons on the calculator. Also, when transferring the operating system to the calculator, you will see “Validating Op...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/29850
Solution 26350: Recommendation for Disinfecting TI Handheld Products.
...us 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 mee...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/26350
Solution 35072: Troubleshooting a TI-84 Plus C Silver Edition Graphing Handheld That Will Not Charge in the Charging Station.
...t over to the inside, and read the label. Look for the UL stamp, and confirm 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 ...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.
...the TI-Nspire CAS. This command returns a reduced ratio of a fully expanded numerator over a fully expanded denominator. The syntax for comDenom is listed below. comDenom (expression1 [, var]) The example below will demonstrate how to find common denominators of an expression. ComDenom((y2 + y...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/34232
Solution 34391: Troubleshooting Difficulties updating TI-Nspire™ Family Handheld Units With Older Operating Systems.
...I-Nspire family 3.1 OS. 4) If the current OS is 3.0 or later download the latest TI-Nspire family OS. 5) Once downloaded, connect the handheld to the computer using the USB cable and verify the cable is completely pushed into the TI-Nspire and is a tight fit. If it is not completely pushed in the...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/34391
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?
...cd() command on the TI-83 Plus and TI-84 Plus family of graphing calculators? The input for lcm() and gcd() are either 2 non-negative integers or 2 lists of non-negative integers. The proper syntax for the gcd() and lcm() functions are listed below. gcd(valueA,valueB) gcd({listA},{listB}) gcd({...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/35934
Solution 33812: Algorithm Used for the cZeros() (Complex Zeros) Function on the TI-Nspire™ CAS Family.
...on algorithm used on the TI-Nspire CAS family? The syntax for the cZeros function on the TI-Nspire CAS family is given below: cZeros(expr, var) → list cZeros({expression1, expression2 [, … ] },{varOrGuess1, varOrGuess2 [, … ] }) → matrix The cZeros( function returns a list of candidate real an...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/33812
Solution 34971: Steps to Graph a Linear Inequality in Terms of x on the TI-Nspire™ Family.
... [x] [>] [1] and press [Enter]. 4) Next press [Esc] to dismiss the text cursor and then highlight the text you have entered and your cursor should become an open hand. 5) Once you see the open hand press [Ctrl] then [Click] the center touchpad to change the cursor to a closed hand. 6) Move the...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/34971
Solution 36981: After attempting to update my operating system TI-Connect CE™ continues to display "Validating OS...“ on the TI-84 Plus Family
...ear. This is a deficiency in the TI Connect CE and TI-84 Plus family connection. To Resolve this issue: Unplug the Graphing Calculator from the computer and re-plug. Turn your device on after the OS updates. Simply close the TI Connect CE app and reopen after updating your OS. If ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/36981
Solution 35774: Transferring TI-Nspire Documents to and from the Computer and TI-Nspire™ Family Handheld Using TI-Nspire Computer Link Software.
...mputer and TI-Nspire Family Handheld using TI-Nspire Computer Link Software? Please Note: If you are attempting to transfer files using the TI-Nspire Student Software or TI-Nspire Teacher Software please visit Knowledgebase Article #26210. Follow the steps below to transfer a TI-Nspire document f...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/35774
Solution 40351: Statement on California Proposition 65
...nstruments calculators carry a warning for California’s Prop 65? There is no Proposition 65 warning on Texas Instruments calculators because they are compliant. TI calculators are tested for CA Proposition 65 substances, and they do not contain chemicals that are listed as harmful to people and t...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/40351
Solution 35935: Computing the Average Rate of Change of an expression on the TI-Nspire™ CAS Family Products.
...e of change of an expression on the TI-Nspire CAS family products? Use the avgRC() function to compute the average rate of change of an expression, list, and matrix. This function is found under [catalog]. The syntax is avgRC(Exp, Var[=Value][,Step]). An Average rate of change returns the for...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/35935
Solution 35994: Using the Constraint "|" Operator with Defined Derivative Function Gives Unexpected Answer on the TI-Nspire™ CAS Family.
...owever 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 expre...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/35994
Solution 29710: Calculating Combinations and Permutations on the TI-Nspire™ Family Products.
... Knowledge Base Search How do I calculate combinations and permutations on the TI-Nspire family products? The examples below will demonstrate how to calculate combinations and permutations using the TI-Nspire family handhelds and computer software. Example: How many possible comb...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/29710
Solution 37716: Scrolling a large list on the TI-84 Plus CE™ home screen displays odd information.
Solution 37716: Scrolling a large list on the TI-84 Plus CE™ home screen displays odd information. Solution 37716: Scrolling a large list on the TI-84 Plus CE™ home screen displays odd information. global Solution 37716: Scrolling a large list on the TI-84 Plus CE™ home screen displays od...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/37716
Solution 10631: Calculator Usage Guidelines for the ACT® test.
...ting room, and to ensure fairness for all test takers, the following types of calculators are not permitted: • Pocket organizers• Handheld or laptop computers• Electronic writing pads or pen-input devices• Calculators built into cellular phones or other wireless communication devices• Models wi...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/10631
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-13, is an approximation of zero. Thus, -3E-13-i is the same as 0-i which is equal to -i. With certain computations, these calculators use very sophisticated algorithms to calculate the most accurate answer possible. The same algorithm will also approximate for zero for other examples such as i^...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/12005