Solution 11591: Correcting the Circular Definition Error on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...nt function or program calls. Please avoid choosing variable names like x,y,z,a,b,c,... for argument names when defining a function or program. These common variable names are frequently used and could easily be included as an argument in a function or program call. Instead, choose variable names...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/troubleshooting-messages-unexpected-results/11591
Solution 15180: Replacing and Installing the Battery In a TI-15 Explorer™ Calculator.
... all the current settings. Caution: Be careful not to damage any of the internal parts of the calculator. Avoid making contact with other components inside the calculator while changing the battery. Dispose of old batteries properly. Do not incinerate batteries or leave where chi...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/general-information/15180
Solution 14800: Replacing the Battery in a TI-1706 SV.
...any internal parts. • Remove the lithium battery carefully and replace it with a new one. Safety precautions: • Avoid contact with other calculator components while changing the battery. • Properly dispose of the used battery immediately. • Do not leave batteries within the reach of children. •...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/general-information/14800
Solution 16409: Correcting a TI-89 Family, TI-92 Family, or Voyage™ 200 Graphing Calculator That is Locked Displaying "Busy" for a Prolonged Period of Time.
...ulator for over 10 minutes? The TI-89 family, TI-92 family or Voyage 200 graphing calculators may display "busy" for a certain time while processing complex computations or solving equations. However, if the calculator displays busy for more than 10 minutes please see the below instructions: NOT...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/troubleshooting-messages-unexpected-results/16409
Solution 12294: Replacing and Installing the Battery in a TI 34II Explorer Plus™.
...remove the old battery and insert the new battery. Safety precautions: 1) Be careful not to damage any internal parts. 2) Avoid contact with other components while changing the battery. 3) Properly dispose of the used battery immediately. 4) Do not leave batteries within the reach of children...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/general-information/12294
Solution 12262: Replacing and Installing the Battery in a TI-30X IIS.
...he TI-30X IIS should function properly once the ON key is pressed. Please Note: Be careful not to damage any internal parts and avoid contact with components while changing the battery. Please see the TI-30X IIB / TI-30X IIS guidebook for additional information. Solution 12262: Replacing...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/general-information/12262
Solution 12126: Correcting a Non-algebraic Variable in Expression Error on the TI-89 Family and Voyage™ 200 Graphing Calculators.
... stored): 1) Press [CATALOG] then press the [,] key to go to the alphabetical listings beginning with the letter D2) Scroll down to select the DelVar command and press [ENTER]3) Input the variable used in the problem (For example, if the variable in the problem is x, then input DelVar x4) Press [...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/troubleshooting-messages-unexpected-results/12126
Solution 12258: Differences Between the TI-30Xa and the TI-30X IIS/B.
... Knowledge Base Search What are some of the differences between the TI-30Xa and the TI-30X IIS/B? The TI-30X IIS/B have the features of the TI-30Xa, and also includes two lines (top line is entry line and bottom line is answer line), equation recall/edit feature, two variab...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/general-information/12258
Solution 12047: Cannot Update the Operating System (OS) on a TI-89, TI-92 Plus or Voyage™ 200 with OS Version 2.0 or Below and TI Connect™ Software.
...urn the unit on. • Press [ I ]. On the TI-89 press [ 9 ]. • On PC, Click Start >> Programs >> TI Tools >> TI Connect >> TI OS Downloader. • Check the communication options and click next. • Click on start download. Please see the TI-89 family, TI-92 family and Voyage 200 guidebooks for additiona...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/troubleshooting-messages-unexpected-results/12047
Solution 12256: Converting from Rectangular to Polar Coordinates Using the TI-30X IIS/B and TI-30XS MultiView™.
...NTER] to paste R►Pr( on the screen. • Input the x-value of the rectangular coordinate, which is 4. • Press [2nd] [)] (closed parenthesis) to insert a comma. • Input the y-value of the rectangular coordinate, which is 3. • Press [)] [ENTER] to display the results. The screen will show 5 which is ...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/12256
Solution 11661: Discontinuation of Printer Display Calculators.
...ledge Base Search Have Texas Instruments printer calculators been discontinued? Over the past few years, Texas Instruments has increased its commitment to the educational technology marketplace. While the printer display product line has been successful for TI, it no longer supports TI l...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/general-information/11661
Solution 10477: Replacing and Installing the Batteries in a TI-35X.
...edge Base Knowledge Base Search How do I replace and install the batteries 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...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.
...into place. 6) Press [On]+[Clear] at the same time to reset the calculator. Please Note: When replacing the battery, avoid any contact with the other components of the calculator. For more information regarding your Texas Instruments calculator, please refer to the guidebooks section. If your cal...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/general-information/35615
Solution 40317: TI-30XS MultiView and TI-34 MultiView Scientific calculator battery information
...lide in a new battery. Press firmly to snap the new battery into place. Important: When replacing the battery, avoid any contact with the other components of the calculator. Dispose of the dead battery immediately and in accordance with local regulations. Battery precautions Do ...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.
...ne R←Pr 6) Press [ENTER] to paste R←Pr( on the screen. 7) Input the x-value of the rectangular coordinate, which is 4. 8) Press [2nd] [4] to insert a comma. 9) Input the y-value of the rectangular coordinate, which is 3. 10) Press [)] [ENTER] to display the results. The displayed answer will sho...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.
...tive. 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 statistics commands, press [Stat] then [→] to CALC and then select a statistics command and the screen will show a wizard similar to what is listed below: Pl...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34692
Solution 34620: Finding the Discriminant of a Quadratic Equation on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...and TI-84 Plus family of graphing calculators do not have the built-in function to find the discriminant. However, the instructions below show how to compute the discriminant by using variables: The discriminant is a number that can be calculated from any quadratic equation. A quadratic equation...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34620
Solution 34618: Using the Sum Function on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
... calculators? The sum function is used to find the sum of the 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 o...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34618
Solution 10687: Differences in the TI-30X and TI-30Xa.
...s selected a [k] will appear in the screen and then the [=] key will act as a constant. Another minor change is the way in which the permutation and combination functions are input. For nCr or nPr, the user used to enter [n], press x-exchange-y, enter [r], then press nCr or nPr. Now these functi...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/10687
Solution 10688: Replacing the Batteries In a TI-30Xa.
... (Requires 1 button cell A76 battery) “1XA76 1.5V 110mAh” (Requires 2 button cell A76 batteries) Note: The Energizer® "A76" battery replaces "LR44" Comparable button cell battery model numbers include: Duracell® D357 Eveready® 357 Maxell® LR44 Varta® V13GA About replacing the button cell batt...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 .
... replace the old battery with the new battery. Install battery according to polarity (+ and -) diagrams.Caution: Avoid contact with other TI-36X II components while changing the battery.If necessary, press ON and CLEAR simultaneously to reset. When released, memory and settings are cleared and...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/10696
Solution 34733: Performing Degrees, Minutes, Seconds (DMS) Conversions on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...] [APPS] to access the ANGLE menu, then press the [4] key to select the ►DMS function (convert to degrees, minutes, seconds). • Press [ENTER] to complete the conversion process. Below is an example of how to convert a number from degrees, minutes, seconds to decimal degrees. Example: Con...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34733
Solution 35575: Using the Simplification Function on the TI-34 MultiView™.
... How can I use the simplification function on the TI-34 MultiView? The simplification function automatically simplifies a fraction using the lowest common prime factor. Example: 1) Press [n/d]. 2) Input 200 and press [▼]. 3) Input 51 and press [►]. 4) Press [►simp] and press [enter]. The ca...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/35575
Solution 12304: Calculating Mode and Median on the TI-36X Solar.
...ical data? The TI-36X Solar does not perform statistical analysis that will return the median and mode from a list of data. This calculator will only compute for the following variables:MeanSimple standard deviationPopulation standard deviationSum of data valuesSum of squares (of data values)Numb...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/12304
Solution 12162: Symbolic Derivative Example Using the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...yntax for d() is below:d(expression,variable[,order])Returns the first derivative of expression with respect to variable. The optional argument and accompanying comma are enclosed in brackets. If included, order must be an integer. If the order is less than zero, the result will be an anti-deriva...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12162