Solution 14488: Rules for Variable Names on the TI-89 Titanium and Voyage™ 200.
...ame can use 1 to 8 characters consisting of letters and digits. This includes Greek letters (but not p), accented letters, and international letters. Do not include spaces. The first character cannot be a digit. • Variable names can use uppercase and lowercase letters. For example the names AB22,...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/14488
Solution 14485: Modifying the History Area on the TI-89 Titanium and Voyage™ 200 Graphing Calculators.
...h How can I modify the history area on the TI-89 Titanium or Voyage 200 graphing calculators? There are three main modifications that can be done to the history area: 1. Changing the number of pairs that are saved: 1) From the Calc Home screen, press [F1] and select 9:Format or press t...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/14485
Solution 11764: Graphing a Function and the Slope Field Based on that Function using a TI-89 Titanium, TI-92 Plus or Voyage™ 200 Graphing Calculators.
...ossible to graph both at the same time using the split screen function of the TI-89 Titanium, TI- 92 Plus and the Voyage 200 graphing calculators. To do this follow the steps listed below: • Press [MODE] • Change Graph to Function. • Press Enter to save the changes. • Go to Y= and type in the f...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11764
Solution 10454: Equation Used to Create the 3D Graph on the Cover of the TI-92 Manual.
... the cover of the TI-92 manual is: 20*cos((x^2 +y^2)/4) z(x,y) = ------------------------------- (x^2 +y^2 + p) WINDOW: eyeq = 20 eyej= 70 xmin = -5 xmax = 5 xgrid = 20 ymin = -5 ymax = 5 ygrid = 20 zmin = -1.2953 (approx) zmax = 6.3662 (approx) zscl ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10454
Solution 10404: Table Feature on the TI-85.
...phing Calculator products Knowledge Base Knowledge Base Search How can I make a table on the TI-85? The TI-85 does not have a built-in table feature. However, this feature can be added through a user-defined program. Texas Instruments does not directly pro...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10404
Solution 24652: The Stefan-Boltzmann Constant Not Displaying as Listed in the TI-89 Family, TI-92 Family, or Voyage™ 200 Guidebook.
... Knowledge Base Search Why is the Stefan-Boltzmann Constant not displaying exactly at listed in the guidebook? The reason the calculator does not display the Stefan-Boltzmann Constant exactly as listed in the guidebook is because of its simplification algorithm. The calculator will a...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/24652
Solution 12106: Verifying a Symbolic Result on the TI-89 Family, TI-92 Family, or Voyage™ 200 Graphing Calculators.
...tor( function on the home screen and input -16x^3-4x^2 followed by a closed parenthesis. 3. Press [ENTER] to perform the factor function. Now, if done by pencil and paper, the user would expect to see a result of: 8x^2*(-2x-3). However, both answers are correct, just displayed differently by ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12106
Solution 11856: Definition of the ClrHome Function on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
... family, and Voyage 200 graphing calculators? The ClrHome function clears all the items stored in the entry() and ans() HOME screen history area. It does not clear the current entry line. For functions such as solve() that return arbitrary constants or integers (@n1, @n2, etc...), ClrHome reset...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/general-information/11856
Solution 28630: Clearing and Deleting Lists using the Stats/List Editor Application on the TI-89 Family and Voyage™ 200.
...o 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, including the list name...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/28630
Solution 11790: Step-by-Step Functionality on TI Graphing Calculators.
... Knowledge Base Search Which of the graphing calculators have step-by-step functionality? Currently, TI graphing calculators do not offer step-by-step functionality. However, there is an Application (App) called Symbolic Math Guide (SMG) available on the TI-89 family, TI-...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/general-information/11790
Solution 10418: Converting Mixed Numbers into Improper Fractions on a TI-85 or TI-86 Graphing Calculator.
... mso-para-margin-top:0in; mso-para-margin-right:0in; mso-para-margin-bottom:10.0pt; mso-para-margin-left:0in; line-height:115%; mso-pagination:widow-orphan; font-size:11.0pt; font-family:"Calibri","sans-serif"; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-hansi-f...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10418
Solution 11408: Opening the Organizer Application on the TI-89 Family, TI-92 Plus, and Voyage™ 200.
...Use the Planner App to schedule events or planned activities linked to a time or date. • Use the Tasks App to keep track of reminders and things to do. Instructions on how to use the Organizer application are available in the application's guidebook. Solution 11408: Opening the Organizer App...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.
...goodness of fit test on a TI-89 family, TI-92 Plus, or Voyage 200 use the Statistics with List Editor App. Using the lists below and a degree of freedom of 2, follow the steps below to calculate and draw the chi-squared goodness of fit test: List 1: {16,25,22,8,10} List 2: {16.2,21.6,16.2,14.4,1...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/28011
Solution 13902: Algorithm for the Convert Logbase (>logbase) Function on the TI-89 Titanium and Voyage™ 200 with OS v3.10.
...b) = logn(b)/logn(a) Thus, log(8) ►logbase(2) will return log2(8)/log2(10), which simplifies to 3/log2(10) ¡Ö 0.90309... (¡Ö log(8)). The ►logbase(n) does not change the value of the argument to which it is applied (log(8,2) is not equal to log(8), so one should not expect the ►logbase(2) convers...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/13902
Solution 10576: Converting Binary Numbers Into Decimals on the TI-85 or TI-86 TI Graphing Calculators.
...e, a binary number can then be converted into a decimal. To change the mode, follow the procedures below: 1) Press [2nd] then [MODE]. 2) Press the down arrow until the cursor is blinking on Dec. 3) Press the right arrow to select Bin. 4) Press [ENTER] then press [CLEAR] to clear the display. ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10576
Solution 10455: Equations Used to Create the Graphs on the TI-92 Plus Manual.
...1= {.4, -1, -1, -1, -.5} y2´= 3*e^(-y1^2-(y2+1)^2) + 6*y1* (1-y1)*e^(-y1^2-(y2+1)^2) + 4*(-2*y1-2)*e^(-(y1+1)^2-y2^2) yi2= {0, 0, -.5, -1, -1} WINDOW setting (Press [♦][WINDOW]) t0=0 tmax=30 tstep=.1 tplot=0 xmin=-2 xmax=.5 xscl=1 ymin=-2 ymax=1 yscl=1 ncurves=0 diftol=.0001 fldres=30 ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10455
Solution 15629: Graphing Functions with Fractional Powers on Texas Instruments Products Where X < 0.
...incipal branch of x^y is not real for x0 because the derivative is 1/(3x^(2/3)), but der1(x^(2/3),x) plots for all x (except x=0) even though x^(2/3) doesn't plot for x<0, because the derivative is 2/(3x^(1/3)). Solution 15629: Graphing Functions with Fractional Powers on Texas Instruments Produ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/general-information/15629
Solution 11404: Unexpected Loss of Apps on the TI-89 Family, TI-92 Plus, or Voyage™ 200 Graphing Calculators.
...lphabetical order. This most likely is not the order that they are stored in on the calculator.NOTE: When Apps are being deleted from the calculator, do so with caution. Make sure the batteries are not weak. Do not pull the batteries out while there is a progress bar displayed.Please see the TI-8...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/general-information/11404
Solution 12325: Troubleshooting a Two-line Display Scientific Calculator that Will Not Turn On.
...is filled on a two-line display scientific calculator, often times it will fail to power on. Follow the steps below to reset the calculator: 1) Hold down [CLEAR] and [ON] key at the same time. 2) Release both keys. 3) Once the keys have been released, the calculator should display a blinking cur...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/troubleshooting-messages-unexpected-results/12325
Solution 15401: Maximum Number of Digits in Entry Line on the TI-30X IIS/B and TI-30XS MultiView™ Scientific Calculators.
...calculator can contain up to 80 characters.When the appears in the display, the entry line contains more characters to the left or right. When up or down arrows appears, more characters are located above or below the entry line.Please see the TI-30X IIS/B or TI-30XS MultiView guidebooks for addi...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/general-information/15401
Solution 30130: When Using Symbolic Pi, Mixed Number Conversions are Improperly Displayed on the TI-36X Pro and TI-30X Pro MultiView™ Calculators.
...olic Pi, why are improper fractions and mixed numbers not converting properly on my TI-36X Pro or TI-30X Pro MultiView calculator? Issue: When you do a calculation using symbolic pi, you will get an approximate decimal answer to the number of decimal places carried by a calculator. If you conv...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/30130
Solution 12260: Fraction Conversions on the TI-30X IIB / TI-30X IIS.
... converted on the TI-30X IIB / TI-30X IIS? The TI-30X IIB / TI-30X IIS will convert to decimals, fractions, mixed numbers, and improper fractions. To do these conversions follow the instructions listed below: Converting a Fraction to Decimal form:(ex. 1/4) 1) Enter 1, press [A b/c], and enter 4...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/12260
Solution 37335: Troubleshooting a TI-89 family, TI-92 family or Voyage 200 Graphing Handheld That Will Not Turn On or Function Properly.
..."Instructions for Replacing Batteries In a TI Graphing Calculator". For any graphing handheld, please ensure that there are no buttons that are stuck down below the keypad. For the TI-Nspire™ family, please ensure that the reset button located on the back is not stuck down below the bottom case. ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/troubleshooting-messages-unexpected-results/37335
Solution 37336: Troubleshooting a TI-73 Family, TI-80, TI-81, TI-82, TI-83, TI-85, TI-85 and TI-86 Graphing Calculator That Will Not Turn On or Function Properly.
...found in the case entitled "Instructions for Replacing Batteries In a TI Graphing Calculator". Please ensure that there are no buttons that are stuck down below the keypad. Additional Note: The resets described in the troubleshooting steps below may cause a loss of applications, programs, and da...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/troubleshooting-messages-unexpected-results/37336
Solution 12227: Performing Log Calculations on a Single-Line Display Scientific Calculator.
Solution 12227: Performing Log Calculations on a Single-Line Display Scientific Calculator. Solution 12227: Performing Log Calculations on a Single-Line Display Scientific Calculator. global Solution 12227: Performing Log Calculations on a Single-Line Display Scientific Calculator. websi...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/12227