Solution 11887: Locating the Equal Sign on the TI-83 Family, TI-84 Plus Family, or TI-Nspire™ Handheld in TI-84 Plus Mode.
... TI-84 Plus family, or TI-Nspire handheld in TI-84 Plus Mode? On these units, the "equals" sign ([=]) is located in the [TEST] menu. This menu is a [2nd] function of the [MATH] key. Please see the TI-83 family and TI-84 Plus family guidebooks for additional information. TI-Nspire users may ref...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11887
Solution 34918: Calculating Derivatives on the TI-84 Plus Family of Graphing Calculators.
...graphing calculators can only calculate numeric derivatives. Please refer to the example below. Example: Find the numeric derivative of f(x)=x² at x=2 Using MATHPRINT Mode: 1) Press [MATH]. 2) Press [↓] until 8:nDeriv( is selected and press [ENTER]. 3) Press [X,T,θ,n] [X,T,θ,n] [x²] [→] [2]...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34918
Solution 11893: Saving Text to a TI Graphing Calculator.
... create a program or edit an existing program. The following instructions reference the procedure for various TI calculators. Procedure for the TI-82, TI-73, TI-83 Family, TI-84 Plus Family or TI-Nspire™ Handheld in TI-84 Plus Mode: Creating a new program: 1) Press [PRGM] 2) Scroll to NEW, t...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11893
Solution 34913: Correcting the "WINDOW RANGE" Error When Graphing on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...INDOW RANGE error, the default WINDOW values will need to be restored using the ZStandard (ZoomStandard) command (see steps below): 1) Press [ZOOM]. 2) Scroll down to 6:ZStandard and press [ENTER]. The default settings for the WINDOW values are: Please see the TI-83 Plus and TI-84 Plus Famil...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34913
Solution 10446: Storing and Solving Formulas on the TI-86 Graphing Calculator.
... formula in the equation solver on a TI-86? 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 [...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10446
Solution 10431: Finding the Zero, Minimum, or Maximum of a Function on the TI-85 or TI-86.
... FMIN (minimum) over [F4] and FMAX (maximum) over [F5]. To find the zero of the function: 1) Press [F1] and the Left Bound? prompt is displayed. 2) Move the cursor onto the function for which the root is being computed by pressing the up or down arrow. The number of the graph selected will b...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10431
Solution 13180: Sharing Applications Between the TI-89 Family Graphing Calculators.
...data or USB unit-to-unit link cable to connect the two TI-89 family graphing calculators. On the calculator that will be receiving the App: 1) Press [2ND] [VAR-LINK] [F3] to access the link menu. 2) Select option 2:Receive and the bottom of the calculator screen will display VAR-LINK: WAITING TO ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/13180
Solution 10417: Calculating Two-Variable Statistics on the TI-86
...s calculations using the TI-86.Data for this example:xStat: {3,5,8,10}yStat: {7,8,14,18}Enter the data into the TI-86:1) Enter STAT mode by pressing [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 da...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10417
Solution 16510: How To draw a vertical line on a TI-86.
...aw a vertical line on a TI-86? To draw a vertical line on the TI-86, there are two options: First on the graph itself: • Press [MORE]. • Press [F2] for the Draw function. • Press [F3] for the Vertical line. • Use the left and right arrows to move the line to where you want it. • Press [EN...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/16510
Solution 15300: Calculating Factorials on the TI-85 and TI-86 Graphing Calculators.
...? The procedure below will demonstrate how to calculate factorials on a TI-85 or TI-86 graphing calculator. Example: Compute 5! • Enter 5 and press [2nd] [F2].• Press [F1] and [ENTER] for the result.The screen should display 120.Please see the TI-85 and TI-86 guidebooks for additional informatio...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/15300
Solution 10583: Inverse or Reciprocal Function on the TI-86.
...rch How do I use the inverse function on the TI-86? The inverse function, x-1, on the TI-86 is accessed by pressing [2nd] [EE]. The inverse function will take the inverse of a number, list, function, or a square matrix. To take the inverse of a number type in the...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10583
Solution 10580: Finding the Area Below a Function Using a TI-86.
...r a definite integral, uses the following syntax: FnInt(expression, variable name, lower limit, upper limit) NOTE: To access this function, press [2nd] [CALC] [F5]. Example: What is the area under the function y = 2 - 2x between -2 and 1? • Press [2nd] [CALC] [F5]. • Input 2-2x,x,-2,1 • Pres...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10580
Solution 10350: Finding the Determinant and Inverse of a Matrix on the TI-85 or TI-86.
...terminant of a matrix on the TI-85 or TI-86. Example: Using the data represented here in matrix A. A = Solution: To enter the matrix, • Press [2nd] [MATRX] [F2] to enter the matrix editor • Input [A] press [ENTER] • Input the dimensions of the matrix (3 [ENTER] 3 [ENTER]) • Input the value...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10350
Solution 10579: Entering Absolute Values using the TI-85 and TI-86 Graphing Calculators.
... The instructions below demonstrate how to use the abs function to obtain the absolute value using the TI-85 and TI-86. Example: Find |-6| • Press [2nd][MATH][F1][F5] • Input -6 • Press [ENTER] for the result For further information, please refer to the TI-85 or TI-86 Guidebooks. Solution ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10579
Solution 10414: Calculating Linear Regressions on the TI-86.
...linear regression on the TI-86. Data for this example: xstat(3,5,8,10) ystat(7,8,14,18) Enter the data into the TI-86: • Enter STAT mode by pressing [2nd] [STAT]. • Press [F2] to select Edit. • Enter the data in the xStat and yStat lists. • Press [2nd] [QUIT] to leave the editor. To calculate th...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10414
Solution 10573: Teacher Support for Australian Educators.
...oductivity Solutions Teacher Support Offices: Australia Texas Instruments Australia Education & Productivity Solutions Monash Corporate Centre Suite 2A / 750 Blackburn Road Clayton VIC 3169 Australia PO Box 598 Mt Waverley VIC 3149 Australia Teachers Support Line 1300 138 140 Tel: (03) 8540 5200...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10573
Solution 10410: Algorithm for the Solver Function on the TI-85 and TI-86.
...bisection, then the x-range is bisected instead. This continues until the x-range has been reduced to a very small range. For example y1 = 3x^3 - 2x^2 - 13x - 8 in the viewing rectangle of [-5,5] by [-30,15], the function returns the root at x = 8/3, even when the cursor is pointed to the r...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10410
Solution 10409: Activating the Finance or the Advanced Statistics Program on the TI-86.
...ication on the TI-86, the program must be activated before it becomes operational. Follow the procedure below to activate the application: • Press [2nd][CATLG-VARS][F1]. Press the down arrow key to select Asm( and press [ENTER]. Asm( will be pasted on the Home screen. • Press [PRGM][F1], Select...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10409
Solution 10449: Using the Interpolate Editor on the TI-85 and TI-86.
... The following instructions demonstrate how to use the interpolate/extrapolate feature of the TI-85 and TI-86. Example: Given points (3,6) and (-1,-2), find the y value at x=7. • Press [2nd] [MATH] [MORE] [F1] to enter the editor. • At x1=, input 3 and press [ENTER]. • At y1=, input 6 and pr...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10449
Solution 10401: Plotting Points using the TI-85.
...nstrate how to plot a set of points using the TI-85:Data for this example: xStat: {3,5,8,10}yStat: {7,8,14,18}1) Clear the screen then press [STAT] [F2] [F1] [ENTER] [ENTER].2) The cursor will display after x1= 3) Enter the value after "x1=" Press 3 [ENTER] 7 [ENTER] 5 [ENTER] 8 [ENTER] and so on...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10401
Solution 10439: Plotting Points Using the TI-86.
...a set of points using the TI-86:Data for this example:xStat: {3,5,8,10}yStat: {7,8,14,18}Enter the data into the TI-86:• Enter STAT mode by pressing [2nd][STAT].• Press [F2] to select Edit.• Enter the data in the xStat and yStat lists. (Note: to save data entry time, a frequency list, fStat, can ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10439
Solution 10399: Differential Equation Solver for the TI-85.
...ably the most common example of this technique is what is commonly called Runge-Kutta-Fehlberg, most often using a 4,5 order pair.The TI-85 uses a 2,3 pair, which is a tradeoff between lower accuracy (in the sense of being able to get solutions to a smaller tolerance) and calculation speed. ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10399
Solution 10437: Performing Fraction Calculations on the TI-85 or TI-86.
...low will demonstrate how to add, subtract, multiply, and divide fractions on the TI-85 and TI-86: Example: 3/4 + 7/51) Input 3, press [¸], and input 42) Press the [+] key 3) Input 7, press [¸], and input 54) Press the [2nd] [MATH] [F5] [MORE] 5) Select [F1] (the convert-to-fraction function)6) Pr...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10437
Solution 10397: Calculating One-variable Statistics on the TI-85.
...on the TI-85? The example below will demonstrate how to calculate one-variable statistics on the TI-85.Data for this example:x values={5, 9, 7, 4, 6, 250, 35, 100, 84} Clear the screen then press [STAT] [F2] [F1] [ENTER] [ENTER] The cursor will display after x1 = Enter the values after "...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10397
Solution 10434: Graphing a Piecewise Function on the TI-85 or TI-86.
...e f(x)= x, when x > 0 follow the steps listed below.Press [GRAPH] [F1] Input x into y1= using [x-VAR] Press [÷] [(] and input x, using [x-VAR] Press [2nd] [2](TEST)Press [F3], enter 0, and press [)] Press [GRAPH] [F5]Please see the TI-85 or TI-86 guidebooks for additional information. n field] S...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10434