Solution 12217: Locked Variables Are Not Displayed in Open Dialog Box Choices on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculator.
... on a copy of the variable, but the variable itself). To edit locked variables, unlock the variable from either the VAR-LINK menu or use the "Unlock" command. Below is an example of unlocking a variable from the VAR-LINK menu: Below is an example of unlocking a variable using the "Unlock" com...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12217
Solution 16829: Availability of the TI-86 Finance Application.
...ase note the Finance application for the TI-86 requires activation after installation. Once activated, the application can be run by using the "FIN" command on the MATH menu. This finance ASM program expands the TI-86's feature set to include Time-Value-of-Money(TVM), uneven cash flows, amortiza...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/16829
Solution 12177: Using the ZoomBox, ZoomIn, and ZoomOut Tools to Explore a Graph on the TI-89 Family, the TI-92 Family, and the Voyage™ 200.
...• From the Zoom menu, select 2:ZoomIn or 3:ZoomOut. A cursor appears and the screen prompts for New Center?• Move the cursor to the point that will become the new center to zoom in or out, and then press [ENTER]. The calculator adjusts the window variables. Please see the TI-89 family, TI-92 fami...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12177
Solution 11819: Algorithm for Solving Systems of Equations on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...re systems of equations solved on the TI-89 family, TI-92 family, and Voyage 200 graphing calculators? solve() and cSolve() functions return real or complex solutions of linear or nonlinear systems of equations. For linear or polynomial systems, the Gaussian or Groebner elimination method is use...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11819
Solution 12138: Font and Size of Characters Used on the TI-89 Family, TI-92 Family and Voyage™ 200 Graphing Calculators.
...hat gets installed on the PC along with most of Texas Instruments' Windows® applications (such as NoteFolio Creator™). It is called Ti92Pluspc on the computer. On the calculator, most of the characters are 5 pixels wide by 7 pixels high in the body of the display screen. The small font in the too...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12138
Solution 12095: Finding Limits with Direction on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...ts with direction on these calculators. Example: Find the limit of x/(x-3) as x approaches 3 from the left, right, and both sides. To find the limit command, please press [F3:Caclulus] and select [3:limit(]. From the left: limit(x/(x-3),x,3,-1) (-1 was arbitrarily chosen to specify the left dir...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12095
Solution 15320: Performing Order of Magnitude on the TI-86 Graphing Calculator.
... of Magnitude on the TI-86 Graphing Calculator. website Home | Computer Software, iPad and Chrome Apps Knowledge Base Knowledge Base Search How do I perform an order of magnitude comp...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/15320
Solution 12059: Implicit Partial Differentiation on the TI-89 Family, TI-92 Family, or Voyage™ 200 Graphing Calculators.
...amily, TI-92 family, or Voyage 200 graphing calculators? The latest versions of the Voyage 200 and TI-89 Titanium operating system contain a impdif ( command. This command should be used when computing a implicit partial differentiation. To access the command, press [F3] [Up Arrow] [Enter] on ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12059
Solution 12097: Graphing Multiple Functions from the Home Screen on the TI-89 Family, TI-92 Family, or Voyage 200™ Graphing Calculators.
...aphing calculator? Multiple functions can be graphed from the home screen on the TI-89 family, TI-92 family, or Voyage 200 using the Store and Graph commands. For example, to graph y=x, y=2x, y=3x from the home screen, Store the functions that will be graphed to a variable {x, 2x, 3x}->glist...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12097
Solution 12136: Factoring an Expression on the TI-89 Family and Voyage 200 Graphing Calculators.
... Knowledge Base Search How do I factor an expression on the TI-89 family and Voyage 200 graphing calculator? Use the factor() command, located under the F2:Algebra menu, to factor expressions on the TI-89 family, the TI-92 Family and the Voyage 200. The proper syntax for t...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12136
Solution 11866: Algorithm for the Taylor() Series Function on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...and Voyage 200 calculators? The algorithm for the taylor() function is as follows. taylor(u,x,n,a) is the sum(limit(d(u,x,k),x,a)*(x-a)^k/k!,k,0,n), computed iteratively to avoid redundant computation of lower-order derivatives.Please see the TI-89 family, TI-92 family and Voyage 200 guidebooks...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11866
Solution 11863: The factor() Function Algorithm on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...ds include the well-known factorizations of binomials and quadratics, together with methods described by Geddes, Czapor and Labahn, "Algorithms for Computer Algebra", Kluwer Academic Publishers, Boston, 1992. Laguerre's method is used for approximate polynomial factorization. (Press et. al: "...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11863
Solution 12117: Cause of the Signature Error on the TI-89 Family, TI-92 Plus, or Voyage™ 200 Graphing Calculators.
... a TI-89 family, TI-92 Plus, or Voyage 200 graphing calculator? When sending the operating system to a TI-89 family, TI-92 Plus, or Voyage 200 from a computer, the calculator must be on the Home screen. The signature error message will appear if the calculator is put in Receive mode. The only ti...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12117
Solution 10400: Calculating the Inverse Sine of 2 Using the TI-85.
...ducts Knowledge Base Knowledge Base Search Why does the TI-85 return an answer for the inverse sine of 2? For complex numbers x+iy, the sine function is defined as sin(x+iy) = sin(x)cosh(y)+icos(x)sinh(y). Note: cosh(y) = (ey + e-y)/2 and sinh(y) = (ey ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10400
Solution 12791: Using a Function that Needs an Integer as an Argument in Approximate Mode using the TI-89 family, TI-92 Plus and Voyage™ 200.
...n integer as an argument in approximate mode on the TI-89 family, TI-92 Plus and Voyage 200? Use the function that needs an integer as an argument in combination with the exact() function to get the desired argument.For example: The checkTmr( function. The function checkTmr takes an integer as an...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12791
Solution 10427: Finding the Limit of a Function Using the TI-86 Graphing Calculator.
... How do I find the limit of a function using the TI-86? To find the limit of a function on the TI-86, it must first be graphed in the interval comprising the given value the function approaches. Then, use the table feature to display values that surround the given value. In the table setup...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10427
Solution 22171: Pausing a Program on a TI-89 Family, TI-92 Family and Voyage™ 200 Graphing Calculator so Entire Results May Be Viewed.
...n I pause a program so that I may view the entire result? If a program requires more information than can be displayed at once, users may add a Pause command in the program to pause it until they are ready to continue. This is especially useful when displaying long lists, matrices, etc. To find P...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/22171
Solution 11595: Displaying of a Numeric Answer Instead of a Symbolic Answer when Using the Integration Function on the TI-89 Family, TI-92 Family, or Voyage™ 200 Graphing Calculators.
...riable or use a different variable in the calculation. Variables can be deleted by pressing [F6][ENTER] from the home screen or by using the DelVar command. The calculator resorted to a numerical approach to find the solution for the problem. This could happen when the problem being solved is...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11595
Solution 10416: Calculating the Derivative of a Function Using the TI-85 or TI-86.
... the [F2] key to select nDer (numerical derivative). This will paste nDer( on the HOME screen.• Type in the example function, x^2 + 2x + 4.• Insert a comma by pressing the [,] key.• Type in the variable x by pressing the [x-VAR] key.• Insert a comma by pressing the [,] key.• Type in the number 2 ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10416
Solution 11690: Accessing the Custom Menu on the TI-89 Family, TI-92 Family, or Voyage™ 200 Graphing Calculators.
...89 family, TI-92 family, or Voyage 200 graphing calculator? The custom menu contains menu items of predefined functions and strings of text that are commonly used on the TI-89 family, TI-92 family, or Voyage 200. The default custom menu contains the following, but can be modified. For more i...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11690
Solution 17169: Calculating the Second Derivative and Antiderivative Using a TI-89 Family, TI-92 Family and Voyage™ 200 Graphing Calculator.
... How do I calculate the second derivative and antiderivative using a TI-89 family, TI-92 family or Voyage 200 calculator? The differentiate command, d (differentiate), computes derivatives. Please see the below example for computing the second derivative: Example: What is the second de...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/17169
Solution 30350: Using the Two-Graph Mode on the TI-89 Family and Voyage™ 200 Graphing Calculators.
...unctions: • Graph modes (Function, Polar, etc). Other modes such as Angle, Display Digits,etc., are shared and affect both graphs. • The Y= Editor is completely independent only when the two sides use different graphing modes. However, the both graphs share common function and stat plot definitio...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/30350
Solution 12173: Use of the Approx() Function on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
... mode. It is equivalent to entering the expression and pressing [Diamond][ENTER] on the Home screen. Examples: approx(π)[ENTER] will return 3.14159 approx({sin(π),cos(π)})[ENTER] will return {0. -1.} Please see the TI-89 family, TI-92 family, and Voyage 200 guidebooks for additional i...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/40304
Solution 12102: Printing the History Area on TI-89 Family, TI-92 Family, or Voyage™ 200 Graphing Calculators.
...2 family, or Voyage 200 graphing calculator? To print the history area, save the entries in the home screen to a text file and send this file to the computer for printing. To save the history area as a text object, follow these steps: • From the Home Screen, press [F1]. • Select Save Copy A...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12102
Solution 11371: Amount of RAM and Archive Memory Used by Calculator Software Applications (Apps) for the TI-89 Family, TI-92 Plus, and the Voyage™ 200 Graphing Calculator.
...is a table with the Ram and Archive used by many of the released and soon to be released Apps.App Name:Ram Used:Arch Used: The Geometer's Sketchpad®45672366954StudyCards™235235792Statistics with List Editor81617428Statistic with List Editor ( French)3014592Statistic with List Editor (German)301...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/general-information/11371