Solution 12653: Converting Decimal Numbers Into Fractions on the TI-81.
...s? The TI-81 does not have a built-in function to convert decimal numbers into fractions. To have this functionality, please consider upgrading to Texas Instruments latest line of graphing calculators.You can find more information regarding these handhelds on the products page. Solution 12653: ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12653
Solution 13326: Using the RandSeed Function on the TI-89 Family, TI-92 Family and Voyage™ 200 Graphing Calculators.
...he factory for the random-number generator.If number is ¹ 0, it is used to generate two seeds, which are stored in system variables seed1 and seed2. Example:1) Press [2nd][MATH], and arrow down to 7:Probability2) Press the right arrow key and scroll down and select 6:RandSeed3) Press [ENTER] and ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/13326
Solution 10431: Finding the Zero, Minimum, or Maximum of a Function on the TI-85 or TI-86.
...ero, minimum, or maximum of a function on the TI-85 or TI-86? To find the zero, minimum, or maximum of a function, first we will have to graph it. Example: With the graph displayed, press [MORE] [F1] to access the MATH menu. Under the MATH menu, ROOT (zero) is over [F1], FMIN (minimum) over [F4...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10431
Solution 13323: Using the RandMat() Function on the TI-89 Family, TI-92 Family and Voyage™ 200 Graphing Calculators.
... below. randMat(numRows,numColumns) The randMat() function returns a matrix of integers between -9 and 9 of the specified dimension. Reference the example provided below. Ex. Create a random generated matrix with 3 rows and 3 columns. • From the HOME screen press [2ND] [MATH] • Select 7:Proba...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/13323
Solution 10425: Finding the Absolute Value or Argument of a Complex Number on the TI-86.
... Knowledge Base Knowledge Base Search How can I find the absolute value or argument of a complex number on the TI-86? The example below shows how to find the absolute value (argument) of an imaginary number. Example: Find the absolute value of 53-22i Solution: • Pre...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10425
Solution 12649: Calculating One-variable Statistics on the TI-81.
...e Base Knowledge Base Search How do I calculate one-variable statistics on the TI-81? Data for this example: x={87, 52, 97, 46, 75, 60} • Clear the screen then press [2nd] [MATRX] • Press the right-arrow key twice and press [ENTER] • The cursor wi...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12649
Solution 12648: Calculating Linear Regressions on the TI-81.
...r products Knowledge Base Knowledge Base Search How do I calculate a Linear Regression using the TI-81? The example below will demonstrate how to perform a linear regression using the TI-81: Data for this example:xStat: {1,4,8,10}yStat: {7,9,15,18} Enter t...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12648
Solution 12645: Graphing a Function on the TI-80 and TI-81.
...I-80 or TI-81: • Press [Y=].• Enter the function. • Press [ZOOM] and select the appropriate zooming option, depending on the function being graphed. Example: Graph y=sin x Solution:• Press the [Y=] key. • Press the [SIN] key and then the [X|T] key to input the x. • Press the [ZOOM] key. • Select ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12645
Solution 10417: Calculating Two-Variable Statistics on the TI-86
... Knowledge Base Knowledge Base Search How do I calculate two-variable statistics on the TI-86? The following example will demonstrate how to perform two-variable statistics calculations using the TI-86.Data for this example:xStat: {3,5,8,10}yStat: {7,8,14,1...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10417
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.
...able, 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" command: Please see t...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12217
Solution 13062: Solving a System of Equations on the TI-89 Family, TI-92 Plus, and Voyage™ 200 Using the Gauss-Jordan method.
...complish on a matrix, there are several commands available that allow the user to add or swap rows as it is done when using the Gauss-Jordan method. Example: Solve the following system of equations:3X + 5Y = 10-2X + 4Y = 5Solution:The matrix for this example (consisting of the coefficients of the...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/13062
Solution 10424: Degree, Minutes, Seconds (DMS) Conversions with the TI-85 or TI-86.
...ons with the TI-85 and TI-86? The TI-85 and TI-86 recognize a number as DMS when that number is entered using a single quote after each value. For example, 15'12'8' would be interpreted as 15 degrees, 12 minutes and 8 seconds. The ' symbol can be accessed by pressing [2nd] [MATH] [F3:ANGLE] [...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10424
Solution 14240: Converting Between Fractions and Decimals on the TI-73 Explorer™.
... any decimal. The Decimal Notation mode determines the display of the result. The image below depicts some of the conversion options available: Example 1: Converting a fraction to a decimal. 1) Enter 3 and press [b/c] [ 4] [FD] [ENTER] Example 2: Converting a decimal to a fraction. 2) Enter...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/14240
Solution 11832: Correcting an "Undefined Variable" Error on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...-89 family, TI-92 family, and Voyage 200 graphing calculators? An Undefined variable error occurs when the variable referenced is not defined. For example, referencing a statistics variable when a statistical analysis has not been performed. If the variable is defined, then refer to the followi...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11832
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.
... window. The Zoom menu can be accessed from the Y= Editor, the Window Editor, or the Graph screen.1. ZoomBox: Draw a box and zoom in on that box.For example, to use the ZoomBox tool on the graph of the function 2*sin(x):• Graph the function y=2*sin(x).• Press the [F2]• Select 1:ZoomBox• Move the ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12177
Solution 14243: Drawing a Pictograph On The TI-73 Explorer™.
...scale is not big enough (the Data List is broken up by more than seven icons) the calculator will display an INVALID DIM error. Please see the below example data for the pictograph: Compare the distances in kilometers between Dallas, Texas and seven other cities in North America. Use a vertical ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/14243
Solution 12176: Using the Numeric Solver on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...lators? The instructions below detail how to store an equation or formula using the numeric solver on the TI-89 family, TI-92 family, and Voyage 200.Example: Store 30=5X and solve for X.1) Press [APPS] [9] if the Apps Desktop is turned off. If the Apps Desktop is on, press [APPS] and select Numer...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12176
Solution 14291: Performing Cosecant, Cotangent and Cosine Functions on the TI-89 Family, TI-92 Plus and Voyage™ 200.
...nd Voyage 200. The syntax for these functions are: cosecant= csc(expression) cotangent= cot(expression) cosine= cos(expression) Please refer to the examples provided below: Example 1: Inputting cos(60)will return the result of 0.5. Example 2: Inputting cot(60)will return the result of 0.577335. ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/14291
Solution 12172: Using the Ans() function on the TI-89 Titanium and Voyage™ 200 Graphing Calculators.
... recall. The valid range of integer that can be used is 1 to 99 and cannot be an expression. The default is one, representing the most recent answer.Examples:• ans() [ENTER] will return the most recent answer.• ans(10) [ENTER] will return the 10th most recent answer.Please see the TI-89 Titanium ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12172
Solution 11827: Calculating the Determinant of a Matrix Using the TI-89 Family, TI-92 Family and Voyage™ 200 Graphing Calculators.
...alculators? The instructions below will show users how to find the determinant of a matrix using the TI-89 Titanium, TI-92 family and Voyage™ 200. Example: What is the determinate of matrix b? Solution: Enter the matrix in the Data/Matrix Editor. 1) Press [APPS] [6] [3] (If Apps Desktop is ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11827
Solution 12171: Use of the Angle( Function on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...h element as a complex number that represent a two-dimensional rectangular coordinate point.The syntax is:angle(expression).angle(list).angle(matrix)Examples:• In Degree mode,angle(0+2i)[ENTER] will return 90.• In Radian mode,angle(1+i)[ENTER] will return p/4.• In Radian mode,angle({0+2i,3+0i,0+4...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12171
Solution 11826: Calculating nth Power and Roots Using the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...the TI-89 family, TI-92 family, and Voyage 200. Powers To raise a number by an exponent, use the carat (^) key, located above the division key. For example, to raise 3 to the 4th power, press [3][^][4][ENTER] for the result of 81. And, to find -22, enter (-2)^2. Roots Taking the nth root of a ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11826
Solution 16532: Graphing a Partial Sum of a Sequence on a TI-89 Family, TI-92 Family or Voyage™ 200 Graphing Calculator.
... How do I graph a partial sum of a sequence on a TI-89 family, TI-92 family or Voyage 200? To graph a partial sum of a sequence, please see the example provided and follow the steps listed below. Example: Graph a partial sum of the sequence 1/(x^2) with a low of 1 and a high of 10. 1) Press ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/16532
Solution 12170: Using the "and" Operator on TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...sult is 1 if both bits are 1: otherwise, the result is 0. The returned value represents the bit results, and is displayed according to the Base mode.Examples:1) In Hex base mode, entering 0h7AC36 and 0h3D5F will return 0h2C2) In Bin base mode, entering 0b100101 and 0b100 will return 0b100.3) In D...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12170
Solution 16189: Creating a 3D Graph of a Surface On a TI-89 Family, TI-92 Family, or Voyage™ 200 Graphing Calculator.
...se Search How do I create a 3D graph of a surface on a TI-89 family, TI-92 family, or Voyage 200 graphing calculator? Please see the below example for graphing a surface in 3D on a TI-89 family, TI-92 family, or Voyage 200 graphing calculator: Example: Graph z=y^2-x^2 1) Press [MODE] in...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/16189