Solution 10355: Setting the Number of Decimal Places on the TI-85 and TI-86.
...ollowing instructions demonstrate how to set a decimal place on the TI-85 and TI-86:• Press [2nd] [MODE] and scroll to FLOAT.• Press the right arrow key until the number of decimal places needed is highlighted.• Press the [ENTER] key.For 2 decimal places, 2 should be highlighted. All answers will...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10355
Solution 11737: Deleting Programs on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...-92 family, and Voyage 200, follow the instructions listed below.• From the Home screen, press [2nd] [-] to access the VAR-LINK menu.• Use the arrow keys to scroll to the name of the program to delete.• Press [F1] to select the Manage menu.• Select 1:Delete and press [ENTER].The program is now de...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11737
Solution 31951: Correcting a TI-89 Family, TI-92 Family, or Voyage™ 200 Graphing Calculator That is Locked Displaying "Busy" When Calculating Sigma Summation.
... error when you are calculating sigma summation, please verify that the calculator's mode is set to approximate. It may be necessary to press the ON key to exit the calculation. To check the calculator's mode settings and/or change the mode, please follow the steps below: • Press [MODE]. • Press...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/31951
Solution 11708: Calculating Natural Logarithm on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...ute natural logs on the TI-89 Family, TI-92 Family, and Voyage 200 graphing calculators:Note: On the TI-92, TI-92 Plus, and Voyage 200, use the [LN] key. For the TI-89 and TI-89 Titanium, use the [2nd] [LN] keys.Natural log of 100. (4.6051.......)• Press the [LN] key and input 100.• Press the [EN...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11708
Solution 10348: Calculating Inverse Trigonometric Functions on the TI-85 or TI-86 Graphing Calculators.
...if this step is omitted the measure of the angle may be in radians and not degrees. • Press [2nd] [MODE] • Highlight Degree then press the [ENTER] key.• Press the [EXIT] key to return to the home screen. The examples below will demonstrate how to input inverse trigonometric functions using the...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10348
Solution 10215: Polynomial Root Finder and Simultaneous Equation Solver App gives Unexpected Result for the TI-83/84 Plus, TI-89/TI-92/Voyage 200 and the TI-85/TI-86 families of the Graphing line of Calculators.
...returned will contain an imaginary part (often small but sometimes significant) instead of a real-valued zero. While using the App, press the MODE key to display the mode settings for Polynomial Root Finder and Simultaneous Equation Solver App. The mode screen will look very similar to the base...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10215
Solution 30350: Using the Two-Graph Mode on the TI-89 Family and Voyage™ 200 Graphing Calculators.
...R] • Press [¨][Y=] • Input y1=x^3+x . • Press [ENTER]. • Press [¨][GRAPH] to display the function graph. • Press [2ND] and then the [APPS] key to switch to the second split screen. • Press [¨][Y=] • Input r1=8sin(2.5Ө) • Press [ENTER] • Press [¨][GRAPH] to display the polar graph. ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/30350
Solution 11695: Algorithm Used to Compute a Cubic Polynomial on a TI-85, TI-86, TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
... fact that this data set is poorly scaled. The difference between the software on the TI-89 family and TI-92 family and the TI-85 and TI-86 is that they use different linear system solvers, which use slightly different criteria for determining when a linear system is too poorly conditioned to sol...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11695
Solution 11593: Defining a Function from a Program Prompt on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...putStr "input function", var1 expr(var1&"® y1(x)") ... Note: To input "quotation marks", press [2nd] [1]. To input the "®" symbol, press the [STO>] key. To input the "&" symbol, press [2nd] [CHAR] [3] [6]. Please see the TI-89 family, TI-92 family and Voyage 200 guidebooks for additional informa...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11593
Solution 12106: Verifying a Symbolic Result on the TI-89 Family, TI-92 Family, or Voyage™ 200 Graphing Calculators.
...erform a "Clear a-z" which clears out all one character variables. If there are programs, data or games that are stored as one character variables, they will be cleared as well. 2. Press [F2] [2] to paste the factor( function on the home screen and input -16x^3-4x^2 followed by a closed parent...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12106
Solution 29130: Calculating and Graphing Quadratic Regressions Using the TI-73 Family Calculator.
... 16 1) Press [2nd] [MEM] [6] [ENTER] to clear previous data stored in lists. 2) To begin inputting data, press the [LIST] key. 3) Input the example data in the L1 and L2 lists. 4) Press [2nd] [QUIT] to return to the home screen. 5) Press [2nd] [STAT], scroll over to "C...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/29130
Solution 10403: Symbolic Manipulation Capabilities of the TI-85 when Computing Derivatives.
...e-font:minor-bidi;} There are no symbolic manipulation capabilities on the TI-85. The der1() and der2() functions use an exact method internally, they will not give a symbolic output. The TI-85 has been discontinued. When upgrading, consider the TI-89 Titanium or the TI-Nspire CX CAS. The TI-8...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10403
Solution 28630: Clearing and Deleting Lists using the Stats/List Editor Application on the TI-89 Family and Voyage™ 200.
...ing list name. To clear the entries within a list, but not deleting the list name: • Highlight the cell that holds the list name • Press the [CLEAR] key • Press the [Down] Arrow Notice that the list name is still available, however the list values are now erased. To delete all lists, includi...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/28630
Solution 11408: Opening the Organizer Application on the TI-89 Family, TI-92 Plus, and Voyage™ 200.
...ntacts, Planner and Tasks. When the application is installed on the calculator, it will not be accessible as "Organizer." Instead, press the [APPS] key and navigate through the APPS desktop to locate the four individual applications. • Use the Calendar App to view or make schedules. • Use th...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/general-information/11408
Solution 28011: Using the Chi-Squared Goodness of Fit Test on the TI-89 Family, TI-92 Plus, or Voyage™ 200 Graphing Calculators.
...] [ALPHA] [L] [I] [S] [T] [ALPHA] [1]. 15) Press [▼] [2ND] [ALPHA] [L] [I] [S] [T] [ALPHA] [2]. 16) Press [▼] [2] [▼] [►]. 17) Using the directional keypad choose Calculate or Draw. 18) Press [ENTER] [ENTER]. The displayed answer will show Chi Squared=5.99514991182 and P value= 0.049907950717...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/28011
Solution 11378: Deleting Calculator Software Applications (APPS) on the TI-89 Family, TI-92 Plus and Voyage™ 200 Graphing Calculators.
...2 Plus and Voyage 200 calculators, please follow the steps listed below.For TI-89 Family users,• Make sure the calculator is on by pressing the [ON] key.• Press [2nd] [-], which is the subtraction key, to access the VAR-LINK menu.• Press [2nd] [F2], which is F7, to access the APPS menu from the V...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/general-information/11378
Solution 10421: Creating and Using Strings on the TI-86.
... a sequence of characters that are enclosed within quotation marks. Strings define characters to be displayed in a program and accept input from the keyboard in a program. To enter a string directly, the syntax is "string". To concatenate or join together two or more strings, use the + sign. Th...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10421
Solution 11374: Compatibility Between TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators Data and Programs.
... some programs written for the TI-89 family may not run the same on the two other models because of differences in the calculator's screen sizes and keyboards. Compared to a TI-92, the TI-89, TI-89 Titanium, TI-92 Plus, or Voyage 200: 1) Have functions, instructions, and system variables that d...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/general-information/11374
Solution 26510: Changing the Cursor on the TI-89, TI-89 Titanium, TI-92 Plus and Voyage™ 200
... see that your calculator cursor is set this way if it matches the cursor appearance below: To switch between the two cursor modes press the [2nd] key and then the [Backspace] key. This will toggle in between the two cursor modes. Please see the TI-89 family, TI-92 family, and Voyage 200 guideb...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/26510
Solution 10577: Converting Units of Measure on the TI-85 and TI-86.
...e TI-85 and TI-86, follow this procedure:Enter the value to be converted. Press [2nd] and [CONV] to display the CONV menu. Press the corresponding F key for the category of the unit of measure (Example: LNGTH for Meters, VOL for liter). Select the current unit of measure from the conversion grou...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10577
Solution 10574: Calculating Nth Roots Using the TI-85 and TI-86.
...ons on the TI-85 and TI-86 graphing calculators. Example: Compute the cube root of 27. 1) Press [ON] 2) Press [2nd] 3) Press [x] (the multiplication key) *notice above the multiplication key the word MATH in yellow 4) Press [F5] *menu title MISC 5) Press [MORE] 6) Press the number [3] 7) Press [F...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10574
Solution 10458: Instructions for Installing the TI-92 Plus Module.
...nit to the unlocked position. Then slide the rear cover down about 1/8 inch and remove it from the main unit. • With the unit ON, hold down the [ON] key and remove one of the four AA batteries. Release the [ON] key. • Lay the TI-92 face down on a flat cushioned surface. (Placing a towel between t...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10458
Solution 10455: Equations Used to Create the Graphs on the TI-92 Plus Manual.
...t the right side of the 3D graph. (Press [2nd][APPS]) Y= Editor (Press [♦][Y=]) z1= 3*(1-x)*e^(-x^2-(y+1)^2) - 4*e^(-(x+1)^2-y^2) WINDOW setting eyeq=174 eyef=108 eyey=2 xmin=-3 xmax=2 xgrid=14 ymin=-3 ymax=2 ygrid=14 zmin=-3.2 zmax=3.2 ncontour=6 Press [Diamond][GRAPH] for the graph. I...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10455
Solution 12308: Converting Fractions to Decimals on the TI-36X Solar.
...r? The examples below will demonstrate how to convert fractions to decimals on the TI-36X Solar.Example 1: 1/2 to .5. • Input 1.• Press the [a b/c] key.• Input 2 and press the [3rd] key and the [a b/c] key ('FD' is printed above it).Example 2: 3/4 to .75 • Input 3.• Press the [a b/c] key.• Input...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/12308
Solution 12316: Utilizing Memory Functions on the TI-36X Solar.
... How do I use memory functions on the TI-36X Solar? The procedures below describe how to use the memory functions on the TI-36X Solar.Store Key Sequence:With the number to be stored in the display of the calculator, press the [STO] key, and then a number 1, 2, or 3. (This calculator has ...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/12316