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.
...he TI TestGuard App deletes programs, lists, applications, and other stored data from a student's calculator. Teachers also have the option to leave specific Apps on student calculators. In addition, TI TestGuard App uses a password feature to confirm that the calculators have been cleared as set...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11362
Solution 36979: "Unknown device" displays when I connect my TI-84 Plus family graphing calculator to the TI-Connect CE™ software
...does the message "Unknown device" display when I connect my TI-84 Plus family device to the TI-Connect CE™ software? TI-84 Plus family devices with operating system 2.23 or lower are displayed as "Unknown Device" in TI-Connect CE. When TI-84 Plus family devices that have an operating system ver...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/36979
Solution 36978: Cannot transfer .ZIP files to and from the TI-84 Plus CE™ using the TI-Connect CE™ software
...uments is aware of the reported problem and may be resolved at the earliest in a future release. The current workaround is to unzip these files to a specific location such as your desktop and then transfer the unzipped files from that location to your TI-84 Plus CE handheld through the TI-Connect...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/36978
Solution 30651: Calculating a Median-Median Regression on the TI-83 Plus Family of Graphing Calculators.
...data using the median-median line (resistant line) technique, calculating the summary points x1,y1,x2,y2,x3 and y3. Med-Med displays values for a (Slope) and b (y-intercept). The following example will demonstrate how to calculate a Med-Med regression: X= {15; 25; 50; 50; 75; 80; 95} Y= {4; 9; ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/30651
Solution 11748: Explanation of r^2 and R^2 on the TI-83 Family or TI-84 Family Graphing Calculator.
...36 or 36% or the total variation of the values of Y in our sample is accounted for by a linear relationship with the values of X. R2 is used when independent variables are created from the regression. This quantity merely indicates what proportion of the total variation in the response Y is expla...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11748
Solution 28370: Redeeming Technology Rewards Points For Professional Development Courses
...e. Process For Redeeming TI TRP Points For Professional Development Courses 1. Submit the required number of points to the TI TRP, indicating the type of course selected (T^3 3-Day Hands-on-Summer TI-Nspire Institute, T^3 International, etc). 2. Include an email address (preferred) or other con...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/28370
Solution 34893: Disabling the STAT Wizards on the TI-84 Plus Family of Graphing Calculators.
...x errors. Below is a picture of the STAT wizard for the Linear Regression, LinReg(ax+b): For users who are familiar with previous TI-84 Plus family operating systems and do not want to use the STAT wizards, there is also an option to disable the STAT wizards. To do this, follow the steps below: ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34893
Solution 10446: Storing and Solving Formulas on the TI-86 Graphing Calculator.
... The example below shows how to solve an equation on the TI-86: Example: Solve for K in the formula P= K^2*Q/2 Solution: 1) On the home screen, type P= K^2*Q/2 2) Press [ENTER]. The display screen will say "Done." 3) Press [2nd] [SOLVER]. 4) Press [F1]. P should appear here. 5) Press [ENTER] ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10446
Solution 10443: Sending a Program From a TI-86 to a TI-85 Using a TI Connectivity Cable.
...ow:• Send the program to the computer using the TI-86 GRAPH LINK software and TI Connectivity cable. • On the TI-86 GRAPH LINK software, Go to File, Open, Locate the name of the program and open it. • Open the TI-85 GRAPH LINK software.• Copy and paste the program's text from the TI-86 GRAPH LINK...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10443
Solution 10442: Executing TI-Basic and Assembly (ASM) Programs on the TI-86.
...m written in TI-Basic on the TI-86: 1) Press the [PRGM] key and select [F1] for a list of program names on the calculator. Each program name should appear above one of the [F1] through [F5] keys depending on the number of programs stored on the calculator. 2) Locate the program to execute and pre...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10442
Solution 10420: Correcting the Error "Cannot Transfer. The File Format is Invalid" When Sending the Advanced Statistics Program to the TI-86
... program is a group file. The TI Connect 1.6 does not recognize a TI-86 group files, so the error, Cannot transfer. The file format is invalid will appear when attempting to transfer this program by dragging its icon onto the TI Connect shortcut icon.To correct the issue, ungroup the TI-86 Advan...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10420
Solution 12648: Calculating Linear Regressions on the TI-81.
...se 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 the data into the TI-81:1) Enter STAT ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12648
Solution 14240: Converting Between Fractions and Decimals on the TI-73 Explorer™.
...[ENTER] Example 2: Converting a decimal to a fraction. 2) Enter the fraction and press [FD] [ENTER] Example 3: Converting a mixed fraction to an improper fraction. 3) Enter 3 and press [UNIT] [1] [b/c] [A b/cd/e] [ENTER] Example 4: Converting an improper fraction to a decimal. 4) Press [A b/cd/e]...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.
...le 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 following instructions to resolve this error. 1) Press [2nd] [6] (MEM) [F1] [ENTER]. 2) S...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11832
Solution 14243: Drawing a Pictograph On The TI-73 Explorer™.
...][PLOT] • Define as a Pictograph by pressing 1 [ENTER] • Select the diagram representing a pictograph • Make sure the category and Data list are properly listed as City and Dist • Set the scale at 500 • Select Vert for vertical • Press [GRAPH] to display the stat plots Please see the TI-73 E...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/14243
Solution 11827: Calculating the Determinant of a Matrix Using the TI-89 Family, TI-92 Family and Voyage™ 200 Graphing Calculators.
...e matrix in the Data/Matrix Editor. 1) Press [APPS] [6] [3] (If Apps Desktop is on, press [APPS], select Data/Matrix Editor, and press [3]). 2) The Type: will be Matrix, input b for the Variable: and the dimensions are both 3. 3) Press [ENTER] twice. 4) Input the values that are above in the data...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11827
Solution 12138: Font and Size of Characters Used on the TI-89 Family, TI-92 Family and Voyage™ 200 Graphing Calculators.
...e toolbar and status line has a variable width. Those digits are mostly 3 pixels wide by 5 pixels high. For additional information, refer to the bid specifications for graphing calculators on the Texas Instruments website. Solution 12138: Font and Size of Characters Used on the TI-89 Family, TI-...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12138
Solution 12134: Using Strings on the TI-89 Family, TI-92 Family, and Voyage™ 200.
...rs. Strings can be entered directly or stored to a string variable. In programming, strings allow the program to display information or prompt you to perform an action. Examples: Disp "The Result is", answer Input "Enter the angle in degrees", angle1 "Enter the angle in degrees" ->str1 Some in...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12134
Solution 11814: Sorting Columns in a Data, List, or Matrix Variable Using the TI-89 Family, TI-92 Plus, or Voyage™ 200.
...he TI-89 family, TI-92 family or Voyage 200, please follow the examples 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 n...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11814
Solution 12095: Finding Limits with Direction on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...es. 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 direction. Any negative number can be used.) The screen will show the - infinity symbol. From the right: limit(x/(x-3),x,3,1) (...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12095
Solution 12092: Creating a Scatter Plot Using the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
... editor: 1) Press [APPS] [6] [3] (If the Apps Desktop is on, press [APPS], select Data/Matrix Editor, and choose [3].) 2) Scroll to Variable: and type in a name. 3) Press [ENTER] two times. Enter X and Y values: 1) Under c1 enter the X values, press [ENTER] after each entry. 2) Under c2 en...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12092
Solution 12091: Creating a Histogram Using the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...3]. (If the Apps Desktop is on, press [APPS], select Data/Matrix Editor, and choose [3].)• Press the down arrow twice. • In the box beside variable type a variable name. (e.g. TEST) • Press [ENTER] [ENTER].• Enter the numbers for the x values under c1. Press [5] [ENTER] [8] [ENTER] etc. • Enter t...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12091
Solution 14289: Backing Up the Memory of a TI-73 Family Calculator by Saving to Another TI-73 Family Model.
... Knowledge Base Search How do I back up the memory from one TI-73 or TI-73 Explorer to another? The TI-73 family calculator includes two types of memory: RAM (Random Access Memory) and F-ROM (Flash Read Only Memory). RAM includes all lists, programs, variables and equations. F-ROM incl...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/14289
Solution 12081: Graphing Inequalities on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...ss [Diamond Key] [Y=], and next to y1=, input 3x+2 then press [ENTER]. 2) Press the [Up Arrow] once to highlight the "3x+2". 3) Press [2nd] [F1] to open the "Style" menu and press [8] to select 8:Below. 4) Press [Diamond Key] [F3] to view the shaded graph of the inequality. Please see the TI-89...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12081
Solution 12057: Fraction to Decimal Conversions on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...yage 200 graphing calculators? The TI-89 family, TI-92 family, and Voyage 200 do not have fraction conversion keys. However, conversions can still be performed on these calculators. To convert a decimal number to a fraction: 1) Press [MODE]. 2) Scroll down to Exact/Approx. 3) Choose Exact to c...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12057