Solution 11763: Graphing a Differential Equation on the TI-89 Family, TI-92 Family and Voyage™ 200 Graphing Calculators.
...]) 6) Enter y1'= 2y1*cos(t). Please Note: That the y is replaced with y1. This is because y' is itself replaced with y1'. 7) Press [F1][9] to access the Format menu. 8) Make sure that the setting Axes ON and the Fields as SLPFLD are selected and press [ENTER]. 9) Press [♦][F3] to d...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11763
Solution 18469: Calculating the Summation of a Geometric Sequence Using the TI-89 Family, TI-92 Family, or Voyage 200™.
...ze is required (such as for Riemann sums), a combination of both the sum( ) and seq( ) functions can be used in order to do this. Both functions are accessed by pressing [2nd] [MATH] [3] from the home screen. The syntax for this calculation would be essentially the same, except for the additional...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/18469
Solution 10383: Shading Above or Below a Function on the TI-82.
... shade above or below a function on the TI-82? Using the shade command, the TI-82 can shade a specific area of the graphing window. This function is accessed by pressing [2nd] [DRAW] [7]. The first two arguments in the shade command define the area that will be shaded. The first is the lower boun...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10383
Solution 18249: Finding the Real and Imaginary Parts, and Modulus (Absolute Value) of an Algebraic Expression using Complex Numbers on the TI-89 Family, TI-92 Family and Voyage™ 200 Graphing Calculators.
... highlight and select Auto and press [ENTER][ENTER]. 2) On the home screen press [2nd][MATH][5][2]. 3) Enter ((1+i)(5-2i)). The imaginary i can be accessed by pressing [2nd][Catalog] on the TI-89 family and [2nd][I] on the TI-92 Plus and Voyage 200. To find the imaginary parts, please follow...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/18249
Solution 11737: Deleting Programs on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
... delete a program from a TI-89 family, TI-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:Delet...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11737
Solution 25870: Setting the Window Range When Graphing the Normal PDF Function Using a TI-89 Family, TI-92 Plus or Voyage™ 200 Graphing Calculator.
... are listed. If so, clear them out by moving the cursor on top of the functions and pressing [CLEAR]. 2. For Y1, input normalpdf(x,800,40). NOTE: To access the normalpdf function, press [CATALOG] [F3] [6], scroll down to "normalPdf(" and press [ENTER]. 3. Press [green diamond] [F2] to access t...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/25870
Solution 31951: Correcting a TI-89 Family, TI-92 Family, or Voyage™ 200 Graphing Calculator That is Locked Displaying "Busy" When Calculating Sigma Summation.
...ror that is displayed on my TI-89 family, TI-92 family, or Voyage 200 graphing calculator when I calculate sigma summation? The summation failures occur when the calculator attempts to locate an exact equivalence for a calculation that can only be displayed as a decimal approximation. To correc...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/31951
Solution 14564: Turning Off the Axes on the TI-89 Family and Voyage™ 200 Calculators.
...rn off the axes on my Voyage 200 or TI-89 family calculator? To turn off the axes on the TI-89 family calculators: • Press [GREEN DIAMOND] [F1] to access the Y= Editor.• Press [F1] to access the "Tools" menu.• Press [9] for Format.• Scroll down and highlight "ON" to the right of "Axes". Press...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/14564
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.
...y use different linear system solvers, which use slightly different criteria for determining when a linear system is too poorly conditioned to solve accurately. Apparently, the linear system solver on the TI-89 family and TI-92 family (simult) is slightly more conservative than the one on the TI-...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11695
Solution 11856: Definition of the ClrHome Function on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...urrent entry line. For functions such as solve() that return arbitrary constants or integers (@n1, @n2, etc...), ClrHome resets the suffix to 1. To access and execute the ClrHome function using the TI-89 family calculator, press [HOME] [CATALOG] [)], scroll down to ClrHome and press [ENTER] [ENT...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/general-information/11856
Solution 11840: Implicit Multiplication on the TI-89 Family, TI-92 Family, and Voyage™ 200.
...ecause the space caused the name parsing algorithm to stop after the b. Spaces do not directly create implied multiplication. Implied multiplication occurs when two valid factors are found in succession without any other binary operator between them. When the next non-blank following a valid name...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/general-information/11840
Solution 11837: Difference Between Complex Numbers on the TI-89 Family, TI-92 Family, or Voyage™ 200 Graphing Calculators.
...92 family, and Voyage 200? The TI-92 and the TI-89 family/TI-92 Plus/Voyage 200 differ in the way polar form complex numbers are handled. The TI-92 accepts the form r*eiq and must be in radian mode. If entering a degree value, the degree symbol must be used. The q value in the result would be a ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/general-information/11837
Solution 11408: Opening the Organizer Application on the TI-89 Family, TI-92 Plus, and Voyage™ 200.
...ations (Apps). The four applications are Calendar, Contacts, 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 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.
...1] [.] [6] [ENTER]. 9) Press [1] [6] [.] [2] [ENTER]. 10) Press [1] [4] [.] [4] [ENTER]. 11) Press [1] [2] [.] [6] [ENTER]. 12) Press [2nd] [F6] to access the Test Menu. 13) Press [7] for Chi2 GOF. 14) Press [2ND] [ALPHA] [L] [I] [S] [T] [ALPHA] [1]. 15) Press [▼] [2ND] [ALPHA] [L] [I] [S] [T] ...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.
...ps 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 VAR-LINK screen.• If the name of all the APPS cannot be s...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/general-information/11378
Solution 10421: Creating and Using Strings on the TI-86.
...the TI-86? A string is 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 strin...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.
...m a TI-89, TI-89 Titanium, TI-92 Plus, or Voyage 200 to a TI-92 is made, the sending calculator automatically checks to be sure the functionality is acceptable for the TI-92. If not, the data is not sent. This protects the TI-92 because tokenized data can cause the TI-92 to lock up. 4) If tokeniz...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/general-information/11374
Solution 11569: Algorithm Used for Finding the Determinant of a Square Matrix on the TI-81, TI-82, TI-83, TI-85, or TI-86.
...-1) = -10 Although only a 3 by 3 matrix was used in this example, this method is applicable in general to any square matrix. It also has excellent accuracy characteristics while being one of the more computationally efficient algorithms, which is why it was selected. Solution 11569: Algorithm...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11569
Solution 11401: Selecting Multiple Equations Under Different 'When' Headings in the ME*Pro® Application.
... 'when' heading. However, in at least one known case(Beams and Columns/Simple Beams/Point load), conditions in more than one when(...) statement can occur simultaneously. A work around is to solve the equation set in two steps, using equations under a single when(...) heading at a time and design...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11401
Solution 11370: Activating or deactivating the Apps Desktop on the TI-89 Family, TI-92 Plus and Voyage™ 200.
...Press [F3] for Page 3. • Scroll to the Apps Desktop option.• Set to either On or Off and Press [ENTER] twice. Now the Apps Desktop has been changed accordingly. The activated Apps Desktop should look like: Please see the TI-89 family, TI-92 family and Voyage 200 guidebooks for additional inform...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11370
Solution 10587: Differences Between the TI-86 and the TI-89 Family Graphing Calculators.
...Conditions Alternatively, the TI-84 Plus Family has the following features when compared to the TI-86: • Flash Technology which enables the unit to accept updates to it's operating system. Flash Technology also enables the unit to have applications sent to it from other TI-83 Plus/TI-84 Plus Fam...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/general-information/10587
Solution 10465: Simplifications Running Slow on the TI-92 Family
...d denominators. In some cases, intermediate expressions can become quite large despite modest inputs and final results. If a problem is taking an unacceptable amount of time: • Try using a different mode, such as APPROXIMATE versus EXACT • Try using an appropriate alternate function, such as nS...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/general-information/10465
Solution 13886: Calculating Implicit Derivatives on the TI-89 Titanium and Voyage™ 200 with OS v3.10. or Higher.
...ase of OS v3.10, the impDif() function has now been added to the operating system of the TI-89 Titanium and Voyage 200. The impDif() function can be accessed by following the steps provided below. 1) From the HOME screen, access the Calc menu by pressing [F3] 2) Select D:impDif( -or- 1) From th...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/13886
Solution 32851: Boolean Logic Operation on the TI-36X Pro.
... results are displayed in the current number base. These values (except for NOT and 2's complement) compare the corresponding bits of two values. To access Boolean Logic you press [2nd] [base n ] and press the [►] twice to displays the LOGIC menu, which lets you perform the below Boolean logic. 1...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/32851
Solution 13820: Differences Between OS v3.10 and Previous Operating Systems When Solving Inequalities Using the TI-89 Titanium and Voyage™ 200.
...r Voyage 200? OS v3.10 for the TI-89 Titanium and Voyage 200 increases the ability of the calculator's Computer Algebra System (CAS) to display more accurate results for inequalities involving polynomials and rational expressions. The table below displays the added functionality of OS v3.10 when ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/general-information/13820