Solution 11501: Resolving Error Skipping: Keyfon73.fon When Installing the TI Connect™ Software.
...ipping: Keyfon73.fon when installing TI Connect? The error Skipping: Keyfon73.fon indicates that the TI-73 key font is not properly installed on the computer. The TI Connect software requires this font prior to installation. To correct this error, follow the steps listed below: • Click on Start...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/troubleshooting-messages-unexpected-results/11501
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 12711: Availability of Overhead Versions of Non-Graphing Calculators.
...ltiView™, TI-34 II Explorer Plus™, etc. Stokes Publishing (800)550-5254 U.S. (408)541-9145 Outside (408)541-9149 Fax customerservice@stokespublishing.com NOTE: Please contact Stokes Publishing for any repair and/or service questions. Solution 12711: Availability of Overhead Versions of Non-Graph...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/general-information/12711
Solution 11804: The Anti-Derivative of Sin(x)*Cos(x) Returns an Expression in Cos(x) Instead of Sin(x) on the TI-89 Family, TI-92 Plus and Voyage™ 200.
...d of 1/2sin^2(x) on the TI-89 family, TI-92 Plus and Voyage 200? The TI-89 family, TI-92 Plus and Voyage 200 calculators use a rule-based system when computing the indefinite integral of sin(x)*cos(x) or cos(x)*sin(x). Listed below are the steps taken when computing problems such as these: • The...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/troubleshooting-messages-unexpected-results/11804
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 12151: Updating to Operating System (OS) Version 3.10 for the TI-89 Titanium and Voyage™ 200 Deletes All Calculator Software Applications (Apps).
...0? The TI-89 Titanium and Voyage 200 OS v3.10 will reset the RAM and Flash ROM memory as part of the updating process. This is done to ensure maximum compatibility with the operating system and apps. It is highly recommended that existing programs and apps are backed up before upgrading to OS v3....https://education.ti.com/en/customer-support/knowledge-base/other-graphing/troubleshooting-messages-unexpected-results/12151
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 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 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 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 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 34612: Calculating Inverse Natural Logarithms on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
... I calculate the inverse natural log on the TI-83 Plus and TI-84 Plus family of graphing calculators? The following examples will demonstrate how to compute the inverse natural logarithm (or e) of a number: Example: Compute the inverse natural log of .5. 1) Press [2nd] then [ln] to input the i...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34612
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 34603: Finding the X-Intercept of a Function on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...find the x-intercepts of a function on the TI-83 Plus and TI-84 Plus family of graphing calculators? To find the x-intercepts of a function, the zero command must be used. Follow the example below for help with using the zero command. Example: 2X - 7 1) Press [Y=] to access the Y= Editor. 2) Pr...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34603
Solution 34602: Graphing a Step Function on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...83 Plus and TI-84 Plus family of graphing calculators? A step function (for example, the greatest integer function) can be graphed by using the int( command. The example below will demonstrate how to graph a step function. Example: Graph the greatest integer of Y=X 1) Press [Y=] to access the Y...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34602
Solution 34597: Shortcuts for Working with Menus on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...ss them quickly rather than scrolling down to the function, highlighting it, and pressing [ENTER]. For example, try accessing the convert to fraction command (►Frac) by pressing [MATH] [1]. • New MATHPRINT shortcuts have been added for the [F1 - F5] keys. For example, pressing [ALPHA] [F1] will b...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34597
Solution 34595: Calculating the Inverse Log of a Number on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...low. The inverse log of a number (N) is equal to 10N. Example: Calculate the inverse log of .5 • Press [2nd] [10x]. • Input .5 and press [ENTER] to complete the calculation. Please see the TI-83 Plus and TI-84 Plus Family guidebooks for additional information. Solution 34595: Calculating th...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34595
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 34592: Calculating Logs of Bases Other Than 10 on the TI-84 Plus Family of Graphing Calculators.
...ess the FUNC menu and insert the logbase( function. • Input 4 for the base. • Scroll to the right and input 160 for the log value. • Press [ENTER] to complete the calculation. Please see the TI-84 Plus family guidebooks for additional information. Solution 34592: Calculating Logs of Bases Other...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34592
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