Solution 10371: Calculating and Graphing a Linear Regression on the TI-82.
...f the equation (y=ax+b) and then list the values for the two coefficients (a and b).Graph the data:1) Press [2nd] [STAT PLOT] [1].2) Press [ENTER] to turn on the stat plot.3) Be sure that xlist is L1 and ylist is L2 4.4) Press [GRAPH] to display the data. Note: it may be necessary to change the w...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10371
Solution 11788: Setting the Scientific Notation Mode on a TI-89 Family, TI-92 Plus and Voyage™ 200 Graphing Calculator.
...n arrow to scroll down to Exact/Approx. 7) Click on the right arrow and scroll down to APPROXIMATE. 8) Press [ENTER] twice until the calculator returns to the HOME screen. Solutions will now appear in scientific notation. Please see the TI-89 family, TI-92 family and Voyage 200 guidebooks fo...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11788
Solution 19149: Using Folders on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...ed variables are stored in the "current folder" unless specified otherwise. The name of the current folder is displayed in the left corner of the status line (at the bottom of the screen). The system variables in the MAIN folder are always directly accessible, regardless of the current folder. C...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/19149
Solution 10351: Finding the Inverse of a Matrix on the TI-85 or TI-86 Graphing Calculator.
...ensions of the matrix (2 [ENTER] 2 [ENTER]) 4) Input the values for the elements of the matrix pressing [ENTER] after each entry 5) Press [Exit] to return to the home screen To find the inverse of matrix A: 1) Press [2nd] [7](MATRX) [F1] [F1] the screen should show A 2) Press [2nd] [EE](X-1) [EN...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10351
Solution 10416: Calculating the Derivative of a Function Using the TI-85 or TI-86.
...how 6. The TI-85 and TI-86 only solve derivatives numerically and will not give the symbolic answer of 2x+2. Instead, the graphing calculator substitutes 2 (for x) into the answer (2x+2) and evaluates the function, hence the answer of 6.Please see the TI-85 and TI-86 guidebooks for additional ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10416
Solution 18709: Calculating the gcd() (Greatest Common Divisor) on the TI-85 and TI-86 Graphing Calculators.
... How do I calculate the gcd() (Greatest Common Divisor) on the TI-85 and TI-86 graphing calculators? The greatest common divisor (GCD) function returns the largest number that divides into two positive whole numbers or lists of positive whole numbers evenly. If both arguments are lists, they ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/18709
Solution 18689: Calculating the gcd() (Greatest Common Divisor) on the TI-73 Family Graphing Calculators.
... How do I calculate the gcd() (Greatest Common Divisor) on the TI-73 family graphing calculators? The greatest common divisor (GCD) function returns the largest number that divides into two positive whole numbers or lists of positive whole numbers evenly. If both arguments are lists, they ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/18689
Solution 11763: Graphing a Differential Equation on the TI-89 Family, TI-92 Family and Voyage™ 200 Graphing Calculators.
...ution: 1) Press [MODE]. 2) For Graphing Mode, select 6:DIFF EQUATIONS and press [ENTER]. 3) For Angle, select 1:Radian. 4) Press [ENTER][ENTER] to return to the main screen. 5) Press [♦][F1] (On the TI-92 family and Voyage 200 press [♦][W]) 6) Enter y1'= 2y1*cos(t). Please Note: That the y is re...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11763
Solution 11754: Finding the Complex Conjugate of an Imaginary Number on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...ction is located under the the MATH/Complex menu.The conj() function can be used with an expression, a list, or a matrix.Examples:• conj(2+3i) will return 2-3i• conj({2+3i,-i,1-i}) will return the list {2-3i, i, 1+i}• conj([9, 2-i; 1-i, -i] will return the matrix [9, 2+i; 1+i, i]. The matrix will...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11754
Solution 18469: Calculating the Summation of a Geometric Sequence Using the TI-89 Family, TI-92 Family, or Voyage 200™.
... the å function is given below: å(expression, variable, low, high) The expression is evaluated for each value of the variable from low to high, and returns the sum of the results. The following example demonstrates how to sum up the first n terms in a geometric sequence. Find the first 5 terms in...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/18469
Solution 11751: Finding Critical Points Using the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...ove function: 1) Press [F3] and select d( and enter d(x^3+x^2-5x-5,x) 2) Press [ENTER] to differentiate the following function. The calculator will return: 3x^2+2x-5 To find one of the critical points you will need to set the derivative (shown above) equal to zero and solve for x: 1) Press [F2] ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11751
Solution 10374: X and Y Coordinates Do Not Appear When Tracing a Function on the TI-82 Calculator.
...y and scroll to the right to highlight "FORMAT". • With FORMAT highlighted, scroll down to CoordOn and press [ENTER]. • Press the [GRAPH] key to return the graphing window. Press [TRACE] and use the left and right arrows to trace the functions. The X and Y coordinates should now be displayed o...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10374
Solution 11739: Displaying Radicals and Imaginary Numbers in the Solutions Using the TI-89 Family, TI-92 Plus and Voyage™ 200.
...a System or CAS, the TI-89 family, TI-92 Plus and Voyage 200 can display radicals and imaginary numbers in the calculated solution. To enable this feature, please follow the steps listed below: 1) Press [MODE] and scroll down to "Complex Format". Using the arrow keys, highlight "2:RECTANGULAR" an...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11739
Solution 10355: Setting the Number of Decimal Places on the TI-85 and TI-86.
...• Press the [ENTER] key.For 2 decimal places, 2 should be highlighted. All answers will then be rounded to 2 decimal places.• Press [2nd] [QUIT] to return to the home screen.Please see the TI-85 and TI-86 guidebooks for additional information. Solution 10355: Setting the Number of Decimal Places...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10355
Solution 10348: Calculating Inverse Trigonometric Functions on the TI-85 or TI-86 Graphing Calculators.
...sure of the angle may be in radians and not degrees. • Press [2nd] [MODE] • Highlight Degree then press the [ENTER] key.• Press the [EXIT] key to return to the home screen. The examples below will demonstrate how to input inverse trigonometric functions using the TI-85 or the TI-86 graphing ca...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10348
Solution 10215: Polynomial Root Finder and Simultaneous Equation Solver App gives Unexpected Result for the TI-83/84 Plus, TI-89/TI-92/Voyage 200 and the TI-85/TI-86 families of the Graphing line of Calculators.
...hing calculator. (Note: This behavior also applies to the TI-89/TI-92 Plus/Voyage™ 200 Polynomial Root Finder Application and the TI-85/TI-86 Poly feature.) Due to 14-bit calculation in the basecode, in some cases the results returned will contain an imaginary part (often small but sometimes si...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10215
Solution 30350: Using the Two-Graph Mode on the TI-89 Family and Voyage™ 200 Graphing Calculators.
... Knowledge Base Search How do I use the two-graph mode on the TI-89 Family and Voyage 200 graphing calculators? The two-graph mode is a feature where the graph-related features are duplicated, giving two independent graphing calculators. The two-graph mode is only available in split sc...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/30350
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.
...bic polynomial that best fits this data in the least squares sense by attempting to solve a linear system that is defined by the normal equations. It turns out that the normal equations for this data set lead to a poorly conditioned linear system (nearly singular) due to the fact that this data s...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11695
Solution 12173: Use of the Approx() Function on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...e Search How do I use the approx() function on the TI-89 family, TI-92 family, and Voyage 200 graphing calculators? The function approx() returns the evaluation of an expression as a decimal value, when possible, regardless of the current Exact/Approx mode. It is equivalent to entering...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/40304
Solution 12784: Use of the Max() Function on the TI-89 family, TI-92 Plus, and Voyage™ 200.
... Knowledge Base Search How can I use the max() function on the TI-89 family, TI-92 Plus and Voyage 200? The max() function returns the maximum of the two arguments. If the arguments are two lists or matrices, it returns a list or matrix containing the maximum value of eac...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12784
Solution 11968: Integer Division on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...-92 family, and Voyage 200 graphing calculators? The TI-89 family, TI-92 family, and Voyage 200 do not have an integer division function that would return the quotient and remainder of a division of integers. However, a combination of the normal division and the remain( ) function can be used to ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11968
Solution 32811: Using the Ceiling() Function on the TI-Nspire™ Family Products.
...e Base Knowledge Base Search How do I use the ceiling() function on the TI-Nspire family products? The ceiling() function 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 perf...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/32811
Solution 12106: Verifying a Symbolic Result on the TI-89 Family, TI-92 Family, or Voyage™ 200 Graphing Calculators.
...ifiy to zero. • Graph the result expected and the result from the calculator. • Set each function equal to one another to see if the calculator returns a "true" statement. • Substitute appropriate random values for some or all of the variables in each of the two expressions. Please see th...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12106
Solution 11856: Definition of the ClrHome Function on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...l the items stored in the entry() and ans() HOME screen history area. It does not clear the current 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...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/general-information/11856
Solution 29130: Calculating and Graphing Quadratic Regressions Using the TI-73 Family Calculator.
...data stored in lists. 2) To begin inputting data, press the [LIST] key. 3) Input the example data in the L1 and L2 lists. 4) Press [2nd] [QUIT] to return to the home screen. 5) Press [2nd] [STAT], scroll over to "CALC", then press [6] to select the "QuadReg" function. This will paste QuadReg on ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/29130