Solution 15464: Definition of Time, Web, and Custom Settings for Axes When Graphing Sequences on the TI-89 Titanium and Voyage™ 200.
...e below descriptions:• TIME: The time format for graphing sequences graphs the sequences as a function of the independent variable n by graphing the points (n, u(n)) for each sequence.• WEB: The web format produces a cobweb plot for a sequence U(n). It is better to use to display the graph as con...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/15464
Solution 12093: Displaying Asymptotes on the TI-89 Family, TI-92 Plus, and Voyage™ 200 Graphing Calculators.
...ily, TI-92 Plus or Voyage 200? The TI-89 family, TI-92 Plus, or Voyage 200 units do not display asymptotes. The graph application plots a series of points, separated by the number of pixels specified in the "xres" variable on the window screen. As successive points are drawn, they are joined by ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12093
Solution 12092: Creating a Scatter Plot Using the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...c2 enter the Y values, press [ENTER] after each entry. Graph the data: 1) Press [F2]. 2) Press [F1]. 3) Select plot type (use scatter to plot the points). 4) Type in c1 for X and c2 for Y. 5) Press [ENTER] two times. 6) Press [♦] [GRAPH] (Note: The viewing window may need to be adjusted. Pr...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12092
Solution 11835: Decreasing the Calculation Time Needed for the nSolve() Function on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
... can cause expansion of a high-degree polynomial. Func-type user-defined functions are not simplified prior to the numeric search. Consequently, to avoid the time-consuming simplification, use the steps provided below:• Use the program editor to define the equation in the following form: ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11835
Solution 12057: Fraction to Decimal Conversions on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...ame as for fractions. However, the mixed number has to be entered as a sum. For example, for two and three fourths, enter (2+3/4). Please Note: To avoid changing the mode setting, enter the fraction and press [♦] [ENTER]. Please see the TI-89 family, TI-92 family and Voyage 200 guidebooks for ad...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12057
Solution 12054: Finding the Curl of a Vector Field on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
.... To find the curl of the vector field refer to the example below. Example: Find the curl of the vector field F. F(x,y,z) = x * y * zi + yj + zk at point (1,2,1) Solution: 1) Press [HOME] [F4] [1]. 2) Press [2ND] [ALPHA] [c] [u] [r] [l] [ALPHA]. 3) Press [(] [X] [,] [Y] [,] [Z] [)] [=]. 4) Press...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12054
Solution 12048: Changing the Scale of a Graph in The Geometer's Sketchpad® App for the TI-89 Family, TI-92 Plus and Voyage™ 200 Graphing Calculators.
...ease follow the steps listed below. For TI-89 Family users: • Press [2nd] [F1] to access the F6 menu. Select 4: Show Grid.• Move the arrow to select point (1,0). (1,0) is just an example and any other point can be used, if preferred.• With the arrow on the selected point, press and hold the [AL...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12048
Solution 12059: Implicit Partial Differentiation on the TI-89 Family, TI-92 Family, or Voyage™ 200 Graphing Calculators.
...f(uu, xx, yy)=-d(uu,xx)/d(uu,yy) Where uu is an expression that equals 0, and d() is the derivative function. The variables xx and yy are used to avoid a circular definition error that will occur when you differentiate a function of x and y. The function: impdif(x^2+y^2,x,y) Will return -...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12059
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.
...re is an initial conditions, please remember to type it in Yi1=). • Press [GREEN DIAMOND] and [GRAPH] to graph the Diff Equations function. At this point there should be the graph of the function on the left, and the slope field on the right. Solution 11764: Graphing a Function and the Slope...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11764
Solution 12101: Limit() Function Returns Unexpected Answers on the TI-89 Family, TI-92 Family, or Voyage™ 200 Graphing Calculators.
... mode on the TI-89 family, TI-92 Family, or Voyage 200 graphing calculators? The limit() function is very sensitive to round off errors in floating point (decimal) numbers -- especially near removable or unremovable singularities. It is suggested to avoid floating-point constants and APPROXIMATE...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12101
Solution 11866: Algorithm for the Taylor() Series Function on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing 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 for additional information...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11866
Solution 11865: The isPrime() Algorithm on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...st Monte-Carlo test that determines whether the number is certainly composite or is almost certainly prime. The is Prime() function stops at this point returning either false or (almost certainly) true. If the number is identified as composite, the factor() function then proceeds to the Poll...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11865
Solution 11861: The d() Function Algorithm on the TI-89 Family, TI-92 Family and Voyage™ 200 Graphing Calculators.
...sion can be a list or a matrix. This function uses the chain rule together with the well-known formulas for the derivatives of sums, products, sinusoids, etc. The syntax for this function is: For an Expression: d(expression, var [,order])For a List: d(list,var [,order])For a Matrix: d(matrix,v...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11861
Solution 12119: Changing the Language on a TI-92 Plus, TI-89 Family, or Voyage™ 200 Graphing Calculators.
...0, follow the instructions below: 1) Press the [MODE] key. 2) Press [F3] and scroll to Language. 3) Use the left or right cursor to view the menu's choices.4) Select a language and press [ENTER] twice. Please see the TI-89 family, TI-92 family and Voyage 200 guidebooks for additional information....https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12119
Solution 10414: Calculating Linear Regressions on the TI-86.
...t. 1.0 is a perfect fit, and anything less is an approximation. For example, .999 would be an excellent fit. The final value listed is the number of points that were analyzed to generate the equation. Please see the TI-86 guidebook for additional information. Solution 10414: Calculating Linear R...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10414
Solution 10410: Algorithm for the Solver Function on the TI-85 and TI-86.
... function. It does not use any information other than function evaluations in its search for a root. The basic concept is to work between two "end points" and draw a secant line through them, projecting this line to its intersection with the x-axis. If the intersection is between these end p...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10410
Solution 12109: Accuracy Information for the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
... the computational and graphing accuracy for the TI-89 family, TI-92 family, and Voyage 200 graphing calculators? Computational Accuracy • Floating-point (decimal) values in memory are stored using up to 14 digits with a 3-digit exponent.• For min and max Window variables (xmin, xmax, ymin, ymax...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12109
Solution 10453: Designing an Ellipse Using the Geometry Section of the TI-92.
...] • Select '3: New...' • Select a name for this variable and press [ENTER] • Construct a circle. (Press [F3] and select '1: Circle' ) • Construct a point (A) on the circle. Construct a point (B) inside the circle • Connect those points with a segment. • Construct the perpendicular bisector (pr...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10453
Solution 10449: Using the Interpolate Editor on the TI-85 and TI-86.
...n the TI-85 or TI-86? The following instructions demonstrate how to use the interpolate/extrapolate feature of the TI-85 and TI-86. Example: Given points (3,6) and (-1,-2), find the y value at x=7. • Press [2nd] [MATH] [MORE] [F1] to enter the editor. • At x1=, input 3 and press [ENTER]. • A...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10449
Solution 10399: Differential Equation Solver for the TI-85.
...his method, a proposed step is taken by computing a solution with two separate Runge-Kutta formulas of different order (but which share evaluation points). An error estimate is formed from the two solutions and compared with a user tolerance. Based on this comparison, the step is either rejec...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10399
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.
...f the calculator is in approximate mode and the checkTmr( function is used with an integer argument, the argument used by the function is a floating point number and "Argument" error is returned by the unit. However, the following is entered checkTmr(exact(integer)), the calculator will return th...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12791
Solution 10395: Calculating a Linear Regression Using the TI-85.
...1.0 is a perfect fit, and anything less is an approximation. For example, .999 would be an excellent fit.) The final value listed is the number of points that were analyzed to generate the equation.Please see the TI-85 and TI-86 guidebooks for additional information. Solution 10395: Calculati...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10395
Solution 27750: Finding the Intersection of Two Functions on the TI-73 Explorer™ Graphing Calculator.
...2] this is to use the equation solver to calculate the X intersection. 5) Press [Enter] [0] [↓] [↓] [Enter] this will display your X intersection point which is -3. The value of 0 entered after X= is requried and is a guess value. The calculator will begin searching for the X intersection poin...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/27750
Solution 33691: Adjusting the Table Width for the TI-89 Titanium or Voyage™ 200 Graphing Calculators.
...] [9] to go to the format screen. • Press the right arrow and select the number you want the size of each cell to be. • Press [ENTER] to save your choice. To cancel without making any changes, press [ESC] instead • The table will be resized based upon the cell width you selected. Please see the...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/33691
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.
...mily (simult) is slightly more conservative than the one on the TI-85/86 as it determines that this linear system is "singular" (when using floating point numbers, this usually means that the linear system is "nearly singular" or "ill-conditioned"). This does not mean that the algorithm in the ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11695