Solution 34851: Finding Days Between Dates on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...e Finance App and selecting option D. The syntax is as follows: dbd(date1,date2) Please Note: For the TI-83 Plus, TI-84 Plus, and TI-84 Plus C Silver Edition the dates must be between the years 1950 through 2049. Additional Note: For the TI-84 Plus CE the dates must be between the years 1980...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34851
Solution 34756: Deleting Calculator Software Applications (Apps) From the Flash ROM on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...ow can calculator software applications (Apps) be deleted from the Flash ROM on the TI-83 Plus and TI-84 Plus family of graphing calculators? To remove an App from the Flash ROM, please refer to the following instructions. • Access the memory management screen by pressing in sequence [2nd] [+] [...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34756
Solution 34717: Graphing Angle Measures on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...sure of an angle, it will be graphed as a system of 2 parametric equations. This is done because the standard function graphing mode is limited to solving for Y= functions in which the "x" is the independent variable and "y" is the dependent variable. Follow the steps below to graph an angle meas...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34717
Solution 12032: Making Graphics Appear In the Start-Up Customization App on the TI-83 Plus and TI-84 Plus.
... it and pressing the [ENTER] key. • Select the graphic (PIC0 - PIC8) to display at start-up and press the [ENTER] key. • Choose the Time to have the picture stay up 2 seconds, 5 seconds, or until a key press, press the [ENTER] key. • Scroll down to FINISH, press the [ENTER] key. The n...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/12032
Solution 12660: Equations Used to Calculate Linear Regressions on TI Graphing Calculators.
...ressions on TI graphing calculators? Typically, math classes use the form ax+b or mx+b (this ties into how polynomials are presented: ax2+bx+c). However, statistics classes often use the form a+bx. The TI-81 and the TI-85 use the form typically used in statistics classes, a+bx. The TI-80, TI-8...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/12660
Solution 12210: Modified Internal Rate Of Return (MIRR) On Texas Instruments Graphing Calculators.
...of Return (MIRR) be calculated on TI graphing calculators? The Modified Internal Rate of Return (MIRR) calculates the Internal Rate of Return of an investment based on a series of cash flows, a discount rate, and a reinvestment rate. This feature is ONLY available on the below TI graphing calcul...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/12210
Solution 12188: Changing the Number Display Format to Currency on TI Graphing and Scientific Calculators.
...mber display format to currency on TI graphing and scientific calculators? Texas Instruments graphing calculators and scientific calculators do not have an option to change the number display format to currency. For example: the calculators do not have the capability to display 1000000.00 as 1,00...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/12188
Solution 11134: Editing Programs and Typing Using the TI Keyboard Without Using the NoteFolio™ App.
... not possible to edit programs or type within apps (other than the NoteFolio app) on the TI-83 Plus and TI-84 Plus family of graphing calculators However, when using the TI-89 family, TI-92 Plus, or Voyage™ 200 graphing calculator, the TI Keyboard can be used to type text and numbers anywhere, in...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11134
Solution 16652: Availability of the Texas Instruments Key Fonts.
... which show the actual keys of my TI-84 Plus calculator? Where can I download the key font files? Using the Texas Instruments key fonts, educators have the ability to create documents which contain the same keys and symbols students will see and use on their calculators. All of the Texas Instrum...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/16652
Solution 11720: Calculating Y-Hat Values on the TI-83 Plus Family of Graphing Calculators.
...played. The regression equation will also be stored toY1. Calculating y-hat values: 1) Press [STAT] [1] to access the STAT list editor. 2) Scroll over to L3, scroll up to highlight L3 and press [ENTER] to input a formula for the L3 list. 3) Press [VARS], arrow right to highlight Y-VARS and pre...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11720
Solution 36978: Cannot transfer .ZIP files to and from the TI-84 Plus CE™ using the TI-Connect CE™ software
...sfer .ZIP files to and from the TI-84 Plus CE™ using the TI-Connect CE™ software? Texas Instruments 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 transf...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.
...nter STAT edit mode by pressing [STAT], [1]. 2) Enter the data in the L1 and L2 lists, pressing [ENTER] after each entry. 3) Press [2nd] [QUIT] to leave the editor. To calculate the Med-Med line, please follow the steps below:1) Press [STAT] then the [Right Arrow] to select CALC.2) Press [3] t...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/30651
Solution 12651: Clearing the Memory on the TI-81.
Solution 12651: Clearing the Memory on the TI-81. Solution 12651: Clearing the Memory on the TI-81. global Solution 12651: Clearing the Memory on the TI-81. website Home | Other Graphing Calculator produ...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.
...andMat(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:Probability and...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/13323
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) retur...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/13321
Solution 13305: Inserting and Deleting a Row, Column, or Cell in the Data/Matrix Editor on the TI-89 Family, TI-92 Family and Voyage™ 200 Graphing Calculators.
...ing a Row or Column: The new row or column is inserted before the row or column that contains the highlighted cell. In the Data/Matrix Editor: 1) Move the cursor to any cell in the applicable row or column 2) Press [2nd][F6] and select 1:Insert 3) Select either 2:row or 3:column Please N...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/13305
Solution 12648: Calculating Linear Regressions on the TI-81.
....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):1) Enter the STAT mode again by pressing [2nd] [STAT].2) Press [2] to select LinReg.3) Press ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12648
Solution 12060: Interpolation Calculations on the TI-89 Family, TI-92 Family, and Voyage™ 200.
...form interpolation calculations on either the TI-89 family, TI-92 family, or Voyage 200? Neither the TI-89 family, TI-92 family, or the Voyage 200 have a built-in interpolation function. However, students, educators, and other users of the TI-89 family may find third-part sources available on th...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12060
Solution 10417: Calculating Two-Variable Statistics on the TI-86
...essing [2nd] [STAT]. 2) Press [F2] to select Edit. 3) Enter the data in the xStat and yStat lists. (Note: a frequency list, fStat, can be used to save data entry time. For this example, the frequency of each answer is 1, so clear the fStat list and leave it blank.) 4) Press [2nd] [QUIT] to le...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10417
Solution 11832: Correcting an "Undefined Variable" Error on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
... 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) Select 2:Default. 3) Press [ENTER] and Defaults Set is displayed. 4) Press [ENTER]. Onc...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11832
Solution 12183: Deleting Files from the Text Editor on the TI-89 Family, TI-92 Plus and Voyage™ 200.
... Knowledge Base Search How do I delete a file from Text Editor on the TI-89 family, TI-92 family and Voyage 200? Follow the steps provided below to delete Text files from the TI-89 family, TI-92 family and Voyage 200 graphing calculators.• Press [2nd] [-] (to access the Var-Link ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12183
Solution 11830: Correcting a Window Variables Domain Error on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...ulators? The Window variables domain error occurs when the minimum value for x or y is larger than the maximum value. Edit the window values to resolve this error. Refer to the instructions below. • Press [♦][WINDOW] • Input the following values: xmin = -10 xmax = 10 xscl = 1 ymin = -10 ymax ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11830
Solution 12172: Using the Ans() function on the TI-89 Titanium and Voyage™ 200 Graphing Calculators.
...ledge Base Search How do I use the ans() function on the TI-89 Titanium and Voyage 200 graphing calculators? The ans() function returns a previous answer from the Home screen history area.If an integer is used as an argument, it will specify which answer to recall. The valid range of int...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.
...s [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 matrix editor. Go to the home screen and input det(b). Press [ENTER] for the solution. Please see the TI-89 family, TI-92 family ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11827
Solution 16189: Creating a 3D Graph of a Surface On a TI-89 Family, TI-92 Family, or Voyage™ 200 Graphing Calculator.
... [ENTER] [ENTER] to change the mode to 3D. 2) Press [♦][Y=]. 3) Input the equation [y][^][2][-][x][^][2] in z1. 4) Press [♦][GRAPH]. The graph can be viewed at different angles by pressing the arrow keys. Additional information on 3D graphing can be found in the TI-89 family, TI-92 family and ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/16189