Solution 11845: Resolving the Error Message "Illegal Instruction" on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...party programs that may have contributed to the issue. Please, bear in mind that this will erase the memory of the calculator and restore all manufacturer's defaults. **(USE BRAND-NEW BATTERIES)** Resetting the TI-89 family: • Hold down the following keys: [2nd] [] (right and left arrow keys). ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/troubleshooting-messages-unexpected-results/11845
Solution 12229: Differences Between the TI-10 and TI-15 Explorer™.
...r from the TI-15 Explorer? The TI-10 was created for a younger audience than the TI-15 Explorer. Even though the calculators have many of the same features, some major differences were necessary to make it grade appropriate. The TI-10 has fewer and larger keys. The keys for fractions, the [0.001]...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/general-information/12229
Solution 10375: Correcting a DOMAIN Error When Using the Seq() Command on the TI-82.
...Knowledge Base Knowledge Base Search Why do I get a DOMAIN Error when using seq() command on the TI-82? A DOMAIN Error is returned when a list generated by the seq() command has more than 99 elements, which is the most elements the TI-82 will hold. The range or step of t...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/troubleshooting-messages-unexpected-results/10375
Solution 12256: Converting from Rectangular to Polar Coordinates Using the TI-30X IIS/B and TI-30XS MultiView™.
...ates to polar coordinates, please follow the example listed below: Convert the rectangular coordinate (4,3) to polar form (r, q). To find r or magnitude: • Press [DRG] • Using the left and right arrow keys, underline DEG (for Degree mode) • Press [ENTER] • Press [2nd] [° ' "](key directly abov...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/12256
Solution 40442: Texas Instruments Computer Algebra System (CAS) Calculators Produce an Unexpected Derivative Result for Function Defined with Constant.
...ivative(f(x),x,2) The function gets evaluated as: fss(k)=derivative(f(k),k,2) Since f(x) is defined using the parameter k, evaluating fss(k) substitutes k giving the unexpected result. You can workaround this behavior by using the with "|" command to assign a different variable: Define f(x)=x...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/troubleshooting-messages-unexpected-results/40442
Solution 11661: Discontinuation of Printer Display Calculators.
...uments does not keep track of specific retailers or locations that may have these products in inventory. TI will continue to honor the normal manufacturer's warranty on these units, and a supply of accessories may still be available for purchase through the TI Online Store. Solution 11661: Disc...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/general-information/11661
Solution 12263: Using the Constant K Function on the TI-30X IIS/B.
... Knowledge Base Search How do I use the constant K function on the TI-30X IIS/B? On the TI-30X IIS/B, pressing [2nd] [Division] turns on the constant mode and allows the user to define a constant. K appears in the top of the display when the constant mode is on. The [=] key ...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/12263
Solution 10477: Replacing and Installing the Batteries in a TI-35X.
...eries in a TI-35X? The TI-35X uses two A-76 batteries. Comparable battery model numbers include:Duracell® D357Eveready® 357To replace the batteries:• Turn the calculator off. • Place a small screwdriver, paper clip, or a similar instrument into the slot and gently lift the battery cover. • Remove...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/general-information/10477
Solution 35615: Replacing the Battery in a TI-36X Pro Scientific Calculator.
...he button cell battery on a TI-36X Pro Scientific calculator: For safety purposes and to prevent ingestion, the button-cell batteries in school- and student-owned calculators without battery doors are not designed to be replaced. It is possible to replace the battery by removing the back case of ...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/general-information/35615
Solution 12278: Calculating Secant, Cosecant, and Cotangent Trigonometric Functions on the TI-30X IIS/B.
... Search How do I calculate secant, cosecant, and cotangent trigonometric functions on the TI-30X IIS/B? TI scientific calculators do not feature the secant, cosecant, or cotangent trigonometric functions as separate keys. The properties of trigonometric functions must be used to calcula...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/12278
Solution 40317: TI-30XS MultiView and TI-34 MultiView Scientific calculator battery information
...replacing the button cell battery on a scientific calculator: For safety purposes and to prevent ingestion, the button-cell batteries in school- and student-owned calculators without battery doors are not designed to be replaced. It is possible to replace the battery by removing the back case of ...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/general-information/40317
Solution 12283: Converting from Rectangular to Polar Coordinates Using the TI-34 II Explorer Plus.
...he TI-34 II Explorer Plus, please follow the example listed below: Convert the rectangular coordinate (4,3) to polar form (r, q). To find r or magnitude: 1) Press [2nd][←F]. 2) Using the left and right arrow keys, underline DEG (for Degree mode). 3) Press [ENTER]. 4) Press [2nd] [° ' "](key di...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/12283
Solution 34692: Using the Statistics Wizard on the TI-84 Plus Family of Graphing Calculators.
...lators? The TI-84 Plus family of graphing calculators allows entering statistics equations, in a wizard format making entering the information more intuitive. To enable and disable the wizard format by going to [Mode] and change the option for Stat Wizard: ON or OFF. To access any of the stati...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34692
Solution 40237: TI-30XII Solar and TI-30XII Battery displays Domain Error when Entering Certain Fractional Exponents.
... accept for Y^X. If the below condition is met it will give a domain error: Y<0, X<1, and 1/X is not an integer For example the problems below will return a domain error since they meet the restriction above: (-25)^(2/3) (-280)^(3/7) (-2)^(3/5) To workaround this limitation you can rewrite thes...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/40237
Solution 34672: Graphing the Fibonacci Sequence on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...u(nMin)= press [2nd] [ ( ] [1] [,] [1] [2nd] [ ) ] 7) Press [zoom] then [6] to select 6:ZStandard. 8) To view the table press [2nd] [window] to setup the table options. 9) Press [1] [enter] to set the table to start at 1. 10) Press [2nd] [graph] to see the table of n and u(n). Please see t...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34672
Solution 12295: Setting Scientific Notation Mode on the TI-34 II Explorer Plus™ and TI-34 MultiView™ Scientific Calculators.
...nd TI-30XS/TI-30XB MultiView, which function in the same way as the TI-34 II Explorer Plus and TI-34 MultiView, are more advanced calculators that feature the option to display all results in scientific notation. Please see the TI-34 II Explorer Plus and TI-34 MultiView guidebooks for additional ...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/12295
Solution 34620: Finding the Discriminant of a Quadratic Equation on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...+ c = 0 The discriminant in a quadratic equation is found using the formula below and the discriminant provides critical information regarding the nature of the roots/solutions of any quadratic equation: discriminant = b-4ac Critical information on the solutions: • When b2-4ac = 0 then there ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34620
Solution 10674: Definition of Business Days for Order Shipments.
Solution 10674: Definition of Business Days for Order Shipments. Solution 10674: Definition of Business Days for Order Shipments. global Solution 10674: Definition of Business Days for Order Shipments. website ...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/10674
Solution 34618: Using the Sum Function on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
... elements in a list. The syntax is sum(list[,start, end]). The optional arguments and accompanying commas are enclosed in brackets. If included, it returns the sum of the elements of the list from start to end. Example: Find the sum of 1, 23, 453, 68.9, 59 • Press [2nd] [stat] to access the lis...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34618
Solution 34611: Computing One Way Analysis of Variance (ANOVA) on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
... [→] then 241.9 [enter] 238.6 [enter] 244.9 [enter] 236.2 [enter] 167.3 [enter] 165.9 [enter] 162.4 [enter] 172.5 [enter] 7) Press [2nd] [mode] to return to the home screen. 8) Press [stat] then [←] to highlight TESTS and press [↑] until the ANOVA( option is selected9) Press [enter] to select ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34611
Solution 10687: Differences in the TI-30X and TI-30Xa.
...he TI-30X and TI-30Xa is that the TI-30Xa does not automatically use the [=] key as a constant. As requested by educators, it has a [k] key that will turn on the [=] key to be used as a constant. When the [k] key is selected a [k] will appear in the screen and then the [=] key will act as a const...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/10687
Solution 10688: Replacing the Batteries In a TI-30Xa.
...g the button cell battery on a TI-30Xa Scientific calculator: For safety purposes and to prevent ingestion, the button-cell batteries in school- and student-owned calculators without battery doors are not designed to be replaced. It is possible to replace the battery by removing the back case of ...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/10688
Solution 10696: Replacing The Battery in a TI-36X II .
...he button cell battery on a TI-36X II Scientific calculator:For safety purposes and to prevent ingestion, the button-cell batteries in school- and student-owned calculators without battery doors are not designed to be replaced. It is possible to replace the battery by removing the back case o...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/10696
Solution 34731: Using the Mean() Function on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...Plus and TI-84 Plus family of graphing calculators? The syntax for the mean() function is listed below. mean(list[,freqlist]) The mean() function return the mean or average of list with the frequency list (freqlist). If a freqlist is not specified in the mean() function, the default value for f...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34731