Solution 11362: Using the TI TestGuard™ Application to Clear the RAM and Archive Memory on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...d App to delete variables, programs, and applications from a student's calculator? The TI TestGuard App is a tool that teachers can use to gain more control over what data, programs, and Calculator Software Applications (Apps) are on students' TI graphing calculators during class time and tests....https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11362
Solution 11312: Creating a Pie Chart Using the CellSheet™ App on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...amily of Graphing Calculators? The following example will demonstrate how to create a pie chart using the CellSheet App: The data below represents income spent on a weekly basis: Week 1 - $400 Week 2 - $350 Week 3 - $475 Week 4 - $300 • Press the [APPS] key and select the "CelSheet" app. • Cre...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11312
Solution 11752: Calculating Derivatives on the TI-83 Plus Family of Graphing Calculators.
... have symbolic manipulation capabilities. They cannot find the symbolic derivative of a function. For a list of TI graphing calculators that have the Computer Algebraic System (CAS) please refer to KB#24631. Please see the TI-83 Plus Family guidebooks for additional information. Solution 11752: ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11752
Solution 11749: Factorials of Decimal (0.5) Numbers on Texas Instruments Graphing Calculators.
... Base Search Why do I get an answer when I factor numbers ending in .5 on my graphing calculator? Factorial is defined as: The factorial is computed recursively using the relationship, (n+1)! = (n+1)*n!, until n is reduced to either 0 or -1/2. At this point, the definitions, 0! = 1 or ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11749
Solution 30190: Using The Significant Numbers Calculator From The Science Tools App on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...s which digits (known as significant digits or significant figures) should be included when you report measurement results. However, you will often encounter measurement values reported with arbitrary precision. The Sig-Fig Calculator tool lets you: Display the significant figures of entere...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/30190
Solution 34918: Calculating Derivatives on the TI-84 Plus Family of Graphing Calculators.
...ot have symbolic manipulation capabilities and cannot find the symbolic derivative of a function. For a list of TI graphing calculators that have the Computer Algebraic System (CAS) please refer to KB#24631. Please see the TI-84 Plus Family guidebooks for additional information. Solution 34918:...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34918
Solution 34912: Running an Assembly Program on the TI-84 Plus C Silver Edition, TI-84 Plus and TI-83 Plus.
...program on the TI-84 Plus C Silver Edition, TI-84 Plus and TI-83 Plus, please follow the steps below: • Press [2nd] [CATALOG]. • Press [↓] until Asm( command is selected and press [ENTER]. • Press [PRGM] and select the name of the program under the EXEC menu. • Press [ENTER]. • The display will r...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34912
Solution 13342: Using the Exact() Function on the TI-89 Family, TI-92 Family and Voyage™ 200 Graphing Calculators.
...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 below. Ex.1 exact(.25) [ENTER] Ex.2 exact(.333333) [ENTER] Ex.3 e...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/13342
Solution 12651: Clearing the Memory on the TI-81.
...of the graphing calculator is erased and all defaults are set to factory defaults. If the screen goes entirely blank after this procedure, adjust the contrast by pressing and releasing the [2nd] key and then holding down the up arrow until the cursor is again visible. Solution 12651: Clearing th...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12651
Solution 13323: Using the RandMat() Function on the TI-89 Family, TI-92 Family and Voyage™ 200 Graphing Calculators.
...tion on the TI-89 family, TI-92 family and Voyage 200 graphing calculator? The syntax for the randMat() function is listed 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. E...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/13323
Solution 12650: Calculating Trigonometric Functions on the TI-81.
... home screen. 4) Sin of 30 degrees is equal to (.5) in degrees to enter this press the [SIN] key and then enter 30. 5) Next press the [ENTER] key. 6) Cosine of 30 degrees is equal to (.86602....) in degrees to enter this press the [COS] key and then enter 30. 7) Next press the [ENTER] key. 8) Tan...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12650
Solution 12648: Calculating Linear Regressions on the TI-81.
...t: {7,9,15,18} Enter the data into the TI-81:1) Enter STAT edit mode by pressing [2nd] [STAT].2) Scroll to DATA.3) Press [1].4) Enter the data as x-y coordinates 1 [ENTER] 7 [ENTER] 4 [ENTER] 9 [ENTER] 8 [ENTER] etc.5) Press [2nd][QUIT] to leave the editor. Calculate the Linear Regression (ax+b):...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.
... Knowledge Base Knowledge Base Search How can I graph functions using the TI-80 or TI-81? The TI-80 has been discontinued. When upgrading, consider the TI-73 Explorer™. The TI-73 Explorer is completely compatible with curricular materials for upper elementary...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12645
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.
...ble from being edited. All of the editors (Program, Geometry, Data/Matrix, Text) change the variable directly in memory (the editors do not work on a copy of the variable, but the variable itself). To edit locked variables, unlock the variable from either the VAR-LINK menu or use the "Unlock" com...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12217
Solution 16829: Availability of the TI-86 Finance Application.
...ase note the Finance application for the TI-86 requires activation after installation. Once activated, the application can be run by using the "FIN" command on the MATH menu. This finance ASM program expands the TI-86's feature set to include Time-Value-of-Money(TVM), uneven cash flows, amortiza...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/16829
Solution 14243: Drawing a Pictograph On The TI-73 Explorer™.
... Knowledge Base Search How do I draw a pictograph on my TI-73 Explorer? The TI-73 Explorer can display no more than seven pictograph icons for up to seven categories on the screen. If the scale is not big enough (the Data List is broken up by more than seven icons) the calculator ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/14243
Solution 12171: Use of the Angle( Function on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...phing calculators? The angle( functions returns the angle, list, or matrix of angles of an expression, list or matrix, interpreting each element as a complex number that represent a two-dimensional rectangular coordinate point.The syntax is:angle(expression).angle(list).angle(matrix)Examples:• In...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12171
Solution 16510: How To draw a vertical line on a TI-86.
...and right arrows to move the line to where you want it. • Press [ENTER]. • To enter another line just move the arrow keys and press [ENTER]. The second option: • On the home screen press [2ND] [CATLG-VARS]. • Select CATLG by pressing [F1]. • Scroll to the VERT command and press [ENTER]. • ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/16510
Solution 11819: Algorithm for Solving Systems of Equations on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...re systems of equations solved on the TI-89 family, TI-92 family, and Voyage 200 graphing calculators? solve() and cSolve() functions return real or complex solutions of linear or nonlinear systems of equations. For linear or polynomial systems, the Gaussian or Groebner elimination method is use...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11819
Solution 12138: Font and Size of Characters Used on the TI-89 Family, TI-92 Family and Voyage™ 200 Graphing Calculators.
...hat gets installed on the PC along with most of Texas Instruments' Windows® applications (such as NoteFolio Creator™). It is called Ti92Pluspc on the computer. On the calculator, most of the characters are 5 pixels wide by 7 pixels high in the body of the display screen. The small font in the too...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12138
Solution 11818: Algebra Problem Identities for 00 using the TI-89 Family, TI-92 Family, or Voyage™ 200 Graphing Calculators.
... Knowledge Base Knowledge Base Search Why does 0^0 =1 using the TI-89 family, TI-92 family, or Voyage 200? While this was considered a domain error on TI-85, TI-83, and TI-82, there are a number of reasons that algebra problems are handled reasonably with the identity ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11818
Solution 12134: Using Strings on the TI-89 Family, TI-92 Family, and Voyage™ 200.
...erform an action. Examples: Disp "The Result is", answer Input "Enter the angle in degrees", angle1 "Enter the angle in degrees" ->str1 Some input commands, such as InputStr, automatically store user input as a string and do not require the user to enter quotation marks. A string cannot be ev...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12134
Solution 15464: Definition of Time, Web, and Custom Settings for Axes When Graphing Sequences on the TI-89 Titanium and Voyage™ 200.
... 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 converging to an equilibrium point or veering off into space.• CUSTOM:...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/15464
Solution 12095: Finding Limits with Direction on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...ts with direction on these calculators. Example: Find the limit of x/(x-3) as x approaches 3 from the left, right, and both sides. To find the limit command, please press [F3:Caclulus] and select [3:limit(]. From the left: limit(x/(x-3),x,3,-1) (-1 was arbitrarily chosen to specify the left dir...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12095
Solution 11813: Using Local Variables in Functions or Programs on the TI-89 Family, TI-92 Plus, and Voyage™ 200.
...urn the error message Undefined Variable. Below are two examples of functions. In the first function, the local variable is not initialized; in the second, the local variable is initialized. Example 1: :Define fact(n)=Func :Local m :While n>1 :n*m ->m :n-1 ->n :EndWhile :Return m :EndFunc Plea...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11813