Solution 12096: Graphing a Step Function on the TI-89 Family, TI-92 Family, or Voyage™ 200 Graphing Calculators.
...[ENTER]. 6) Graph the function by pressing [GREEN DIAMOND] [R] (Use [GREEN DIAMOND] [F3] on the TI-89 Family). Please Note: If the graphed points appear connected, go back into the Y= Editor screen, highlight the int(x) function by using the directional arrows on the keyboard, Press [F6] for St...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12096
Solution 11795: Using the deSolve() Function on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...below detail how to use the deSolve() function found on the TI-89 family, TI-92 family, and Voyage 200. The syntax for deSolve() is: deSolve(ODE,independentvar,dependentvar) The deSolve function returns an equations that explicitly or implicitly specifies the general solution to the 1st or 2nd ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11795
Solution 11842: Algorithm Used for Symbolic Integration Function on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
... The Stormy Decade", Communications of the ACM, August 1971, Volume 14, Number 8, pp. 548-559. Antiderivatives are NOT computed by any of the Risch-type algorithms. Definite integrals are determined by subdividing the interval at detected singularities, then for each interval, computing the diffe...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11842
Solution 11852: Algorithm for tCollect() Function on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...00 graphing calculators compute the results for the tCollect() function? The algorithm for the tCollect( function is defined as follows: tCollect( repeatedly uses the well-known formulas for products and integer powers of sines and cosines, such as those given in the CRC tables.Please see the TI...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11852
Solution 12085: Apps Icon Desktop Setting and Clock Functionality for the TI-89 or TI-92 Plus.
... Knowledge Base Search Is there an update to the TI-92 Plus and TI-89 to add the Apps icon desktop setting and clock? The latest Operating System (OS) for the TI-89 and TI-92 Plus, version 2.09, adds the ease of the icon Apps desktop and clock functionality of the Voyage™ 200....https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12085
Solution 11806: Creating and Evaluating User-Defined Functions on the TI-89 Family, TI-92 Family and Voyage™ 200.
... How can I create my own functions on the TI-89 family, TI-92 family and Voyage 200? User-defined functions can be a great time-saver when the repetition of the same expression is needed multiple times, but with different values. User-defined functions can also extend the calculator capabili...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11806
Solution 11797: Using the Expand() Function on the TI-89 Family, TI-92 Family and Voyage™ 200 Graphing Calculators.
...tion of the factor() function. The expansion is polynomial expansion for polynomials and partial fraction expansion for rational expressions. The proper syntax for the expand() function is: expand(expression [,var]) Follow the example provided below to use the expand() function: Example: Expa...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11797
Solution 11863: The factor() Function Algorithm on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...ebra", Kluwer Academic Publishers, Boston, 1992. Laguerre's method is used for approximate polynomial factorization. (Press et. al: "Numerical Recipes" Cambridge University Press, 1986.) Solution 11863: The factor() Function Algorithm on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphin...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11863
Solution 11861: The d() Function Algorithm on the TI-89 Family, TI-92 Family and Voyage™ 200 Graphing Calculators.
... Search What is the d() (symbolic differentiate) function algorithm? The d() function returns the first derivative of an expression with respect to a variable. The expression can be a list or a matrix. This function uses the chain rule together with the well-known formulas for the der...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11861
Solution 11843: Limit() Function Algorithm on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
... TI-92 Family, and Voyage 200 graphing calculators? Limits of indeterminate forms are computed by series expansions, algebraic transformations and repeated use of L'Hopital's rule when all else fails. Limits of determinate forms are determined by substitution. Solution 11843: Limit() Function A...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11843
Solution 10583: Inverse or Reciprocal Function on the TI-86.
...y pressing [2nd] [EE]. The inverse function will take the inverse of a number, list, function, or a square matrix. To take the inverse of a number type in the number, press [2nd][EE], and then press [ENTER]. The inverse will be shown as long as the number does not equal 0. If the number, real or...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10583
Solution 10580: Finding the Area Below a Function Using a TI-86.
...unction, which finds a numerical approximation for a definite integral, uses the following syntax: FnInt(expression, variable name, lower limit, upper limit) NOTE: To access this function, press [2nd] [CALC] [F5]. Example: What is the area under the function y = 2 - 2x between -2 and 1? • Pr...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10580
Solution 10410: Algorithm for the Solver Function on the TI-85 and TI-86.
...ibed above, the solver attempts through some heuristics to get two "good" end points to start with. The guess provided is one of these, the other depends on a lot of factors, but the solver prefers a sign change if it can find it. The calculator spends some time "going downhill" in the neighb...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10410
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.
...int number and "Argument" error is returned by the unit. However, the following is entered checkTmr(exact(integer)), the calculator will return the expected result.Please see the TI-89 family, TI-92 Plus and Voyage 200 guidebooks for additional information. Solution 12791: Using a Function that ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12791
Solution 10434: Graphing a Piecewise Function on the TI-85 or TI-86.
...wledge Base Knowledge Base Search How can I graph a piecewise function on the TI-85 or TI-86? A piecewise function allows specific restrictions to be made when graphing a function. To graph the piecewise f(x)= x, when x > 0 follow the steps listed below.Press [GRAPH] [F...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10434
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.
...lator may return a numeric answer instead of a symbolic answer when using the integration function. The variable being used when integrating with respect to that variable has a value stored to it (i.e. X has a value of 5). To correct this, delete that variable or use a different variable in th...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.
...s [2nd] and then the division key (for CALC).• Press 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 c...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10416
Solution 18689: Calculating the gcd() (Greatest Common Divisor) on the TI-73 Family Graphing Calculators.
...llows: gcd(valueA,valueB) Examples: • Find the greatest common divisor for the fraction, 27/36. • Find the greatest common divisor for 50 and 350. The gcd() function can be located by following the keystrokes provided below: • Press [MATH] [2] for gcd( • Input the values separated by ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/18689
Solution 10383: Shading Above or Below a Function on the TI-82.
... Knowledge Base Search How can I 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 th...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10383
Solution 10379: Finding the Zero of a Function using the TI-82.
...n:Graph the equation:1) Press [Y=].2) Input the equation.3) Press [GRAPH].Find the zero:1) Press [2nd][CALC][2].2) Move the cursor to the x value to specify the lower bound using the left or right cursor and press [ENTER].3) Move the cursor to the x value to specify the upper bound using the left...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10379
Solution 11750: Finding an Intersection of Functions on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...ress [ENTER] 3) Set the second function and press [ENTER] 4) Set the lower bound for x by using the left or right cursor to set the lower bound or type an x value and press [ENTER] 5) Set the upper bound for x and press [ENTER] (Note: If the upper bound is less than the lower bound, then a Boun...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11750
Solution 11743: Algorithm for the dotP() Function on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...e that this definition reduces to the "usual" dot product if vec1 and vec2 are both real.) Inner products of complex vectors satisfy the following properties (Note: "dot" is used to represent the operation):1) vec1 dot vec2 = conj(vec2 dot vec1)2) (a*vec1 + b*vec2) dot vec3 = a*vec1 dot vec3 + b*...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11743
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.
...times the Standard Deviation). 6. For Xscl, input 40 (Standard Deviation). 7. For Ymin, Ymax and Yscl, input the default values of -10, 10 and 1 respectively. If these values are already present, disregard this step. 8. Press [F2] [ALPHA] [=] to perform a "ZoomFit". Based on the method used, t...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/25870
Solution 27750: Finding the Intersection of Two Functions on the TI-73 Explorer™ Graphing Calculator.
...nter] [↓] [↓] [↓] [↓] [Enter] [Enter] this will display both your X intersection point and your Y intersection point. For additional instructions on performing graph calculations, please see the TI-73 family guidebook for additional information. Solution 27750: Finding the Intersection of Two ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/27750
Solution 32811: Using the Ceiling() Function on the TI-Nspire™ Family Products.
...tion returns the nearest integer that is greater than or equal to its argument. The argument can be a real number, complex number, list, or matrix.To perform this function, please see the examples listed below.Example 1: Using an Integer (0.456):1) Press [home].2) Press 1: Add Calculator.3) Press...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/32811