Solution 11366:Maximizing a Linear Function with the Inequality Graphing Application on the TI-83 Plus and TI-84 Plus.
...ximize a linear function with the Inequality Graphing application. Example: Maximize the profit, P= 3X+2Y, for quantities of two products, X and Y, given the following constraints on materials and time: X30, Y30 Y+X≥10 3X+Y≥15 Solution: • Press [APPS] to display the list of application on the ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11366
Solution 11759: Graph of the Absolute Value of the Square Root of X Differs on the TI-83 Family, TI-84 Plus C Silver Edition, or TI-84 Plus Family Graphing Calculator and on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...family, TI-84 Plus C Silver Edition, or TI-84 Plus family calculator is in real mode when solving for the absolute value of the square root of a negative number, the message ERR:NONREAL ANS is displayed. This is because an intermediate answer, the square root of a negative number, is imaginary. I...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11759
Solution 34893: Disabling the STAT Wizards on the TI-84 Plus Family of Graphing Calculators.
...w do I disable the STAT wizards on the TI-84 Plus family of graphing calculators? The STAT wizards prompt the user for all the necessary input for a given statistical calculation which helps reduce syntax errors. Below is a picture of the STAT wizard for the Linear Regression, LinReg(ax+b): For ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34893
Solution 13342: Using the Exact() Function on the TI-89 Family, TI-92 Family and Voyage™ 200 Graphing Calculators.
...sures that the calculator uses the Exact mode arithmetic regardless of the Exact/Approx mode setting to return, when possible, the rational-number equivalent of the argument. Note: tol specifies the tolerance for the conversion; the default is set to 0(zero). Refer to the examples provided belo...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/13342
Solution 13321: Using the Rand() Function on the TI-89 Family, TI-92 Family and Voyage™ 200 Graphing Calculators.
... With no specified n, rand() returns the next random number between 0 and 1 in the sequence. Ex. rand(6) may return the result of 5• When n is a positive value, rand(n) returns a random integer in the interval [1,n]. Ex. rand(6) may return the result of 5• When n is a negative value, rand(n) retu...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/13321
Solution 12648: Calculating Linear Regressions on the TI-81.
...on calculation. The graphing calculator will display the form of the equation (y=a+bx) and then list the values for a and b (5.0256 and 1.2564 respectively) and the correlation coefficient (r) .9885.For more information regarding your Texas Instruments graphing calculator, please refer to the gui...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12648
Solution 13180: Sharing Applications Between the TI-89 Family Graphing Calculators.
...ator to another. Use the data or USB unit-to-unit link cable to connect the two TI-89 family graphing calculators. On the calculator that will be receiving the App: 1) Press [2ND] [VAR-LINK] [F3] to access the link menu. 2) Select option 2:Receive and the bottom of the calculator screen will disp...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/13180
Solution 14240: Converting Between Fractions and Decimals on the TI-73 Explorer™.
...r to a fraction answer? The TI-73 Explorer can convert any fraction to a decimal. However when converting a decimal to a fraction, if a fractional equivalent of a decimal does not exist, the calculator returns the same digits. The calculator also only recognizes and converts (if possible) the fi...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/14240
Solution 11822: Algorithm Used for the propFrac() Function on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...thm used by the propFrac() function on the TI-89 family, TI-92 family, and Voyage 200 graphing calculators? The propFrac() function uses polynomial division with remainder to determine the quotient polynomial and the numerator of the resulting fraction. For additional information on using this a...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11822
Solution 11818: Algebra Problem Identities for 00 using the TI-89 Family, TI-92 Family, or Voyage™ 200 Graphing Calculators.
...00=1. 1. Apply the binomial theorem: 00 = (1-1)0 = binomial(0,0) * 10 * (-1)0 = 1. 2. Apply the definition from set theory. If a and b are nonnegative integers, let A and B be sets having cardinality a and b, respectively. Then the value of ab is the cardinality of the set of all mappings from...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11818
Solution 15465: Valid Sequence Functions for Web Plots on the TI-89 Titanium or Voyage™ 200.
... TI-89 Titanium or Voyage 200? A sequence must meet the following criteria to be graphed properly on the WEB axes. The sequence: • Must be recursive with only one recursion level. For example u(n-1) but not u(n-2). • Cannot reference n directly. • Cannot reference any other defined s...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/15465
Solution 11814: Sorting Columns in a Data, List, or Matrix Variable Using the TI-89 Family, TI-92 Plus, or Voyage™ 200.
...les listed below. To sort a single column: X list = {4, 16, 2, 5} Y list = {car, ape, bed} • Access the Data/Matrix Editor. If the Apps Desktop is active, press [APPS] and select the "Data/Matrix Editor". If the Apps Desktop is not active, press [APPS] and select "6:Data/Matrix Editor". • Scroll ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11814
Solution 12093: Displaying Asymptotes on the TI-89 Family, TI-92 Plus, and Voyage™ 200 Graphing Calculators.
...s. 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 a line. If two successive points lie on either side of a discontinuity, they will be joined by a line, whi...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12093
Solution 11835: Decreasing the Calculation Time Needed for the nSolve() Function on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...r to appropriately constrain the search range can greatly speed the solution. For example, it is very important to restrict the interest rate to positive values when solving the Time Value of Money equation for the interest rate, and it is also helpful to restrict it to be less than some generous...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11835
Solution 11795: Using the deSolve() Function on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...ween 1 and 255, is used to denote an arbitrary integer. Substitute an integer value for that variable, one of many solutions for the problem will be given. Please see the TI-89 family, TI-92 family and Voyage 200 guidebooks for additional information. Solution 11795: Using the deSolve() Function...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11795
Solution 12088: Correcting a "Domain Error" when Performing Number Base Conversions on the TI-89 Family, TI-92 Plus and Voyage™ 200 Graphing Calculators.
... The TI-89, TI-89 Titanium, TI-92 Plus, and Voyage 200 cannot convert a decimal number (ex. 2.9) to another number base. If a Domain error is still given, then reset the default settings on the calculator. To do so, press [2nd] followed by [6] then [F1] [ENTER]. Choose Default and press [ENTER] ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12088
Solution 12058: Fractions with the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...ow, enter the [MODE] menu and change the Exact/Approximate setting to Exact. Examples: Calculate 3/4 + 7/5 (Answer: 43/20) 1) Input 3, press the division key, input 4. 2) Press the [+] key. 3) Input 7, press the division key, input 5. 4) Press the [ENTER] key. 5) To view the mixed number, inp...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12058
Solution 11810: Calculating a Cubic Regression on the TI-89 Family, TI-92 Family and Voyage™ 200 Graphing Calculators.
...n the TI-89 Family, TI-92 Plus and Voyage 200? The TI-89 family, TI-92 family, and Voyage 200 allows calculating cubic polynomial regressions for a given set of data. Please refer to the example below. Data for this example: x values: 0,1,2,3 y values: 0,2,3,4 Solution: 1) Press [APPS][6][3...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11810
Solution 12067: Population Standard Deviation on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...iation: sample standard deviation (displayed in the dialog box) and population standard deviation. The population standard deviation, denoted by sx, divides the calculated values by n. The sample standard deviation, denoted by Sx, uses the value n-1 as the denominator. The TI-89 family, TI-92 fam...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12067
Solution 12101: Limit() Function Returns Unexpected Answers on the TI-89 Family, TI-92 Family, or Voyage™ 200 Graphing Calculators.
...urn unexpected answers in approximate 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 flo...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12101
Solution 11861: The d() Function Algorithm on the TI-89 Family, TI-92 Family and Voyage™ 200 Graphing Calculators.
...se Knowledge Base 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 th...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11861
Solution 10350: Finding the Determinant and Inverse of a Matrix on the TI-85 or TI-86.
...a square matrix, type in the name, then press [2nd] [EE], and then press [ENTER]. If the matrices determinant equals 0 an error message of "ERROR 02 DIV BY ZERO" will be returned. Please see the TI-85 and TI-86 guidebooks for additional information. Solution 10350: Finding the Determinant and In...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10350
Solution 10449: Using the Interpolate Editor on the TI-85 and TI-86.
...itor on 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...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10449
Solution 12062: Calculating Median-Median Regression Using the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...I-89 family, TI-92 family, and Voyage 200 graphing calculators? The example below will demonstrate how to calculate a median-median regression for a given set of data using the TI-89 family, TI-92 family, and Voyage 200. Data for this example: X values = {5, 9, 20, 25, 30, 35, 41} Y values = {...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12062
Solution 10437: Performing Fraction Calculations on the TI-85 or TI-86.
...fraction operations calculated on the TI-85 and TI-86 graphing calculators? The examples below will demonstrate how to add, subtract, multiply, and divide fractions on the TI-85 and TI-86: Example: 3/4 + 7/51) Input 3, press [¸], and input 42) Press the [+] key 3) Input 7, press [¸], and input 5...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10437