Solution 11749: Factorials of Decimal (0.5) Numbers on Texas Instruments Graphing Calculators.
... 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 (-1/2)! = (p), a...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11749
Solution 30651: Calculating a Median-Median Regression on the TI-83 Plus Family of Graphing Calculators.
...on y=ax+b to the 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; 8...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.
...84 family graphing calculator.When regression models are executed, a TI-83 family or TI-84 family graphing calculator computes and stores diagnostics values for r (correlation coefficient) and r2 (coefficient of determination) and R2 (coefficient of multiple determination).r2 expresses the propor...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11748
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.
...Base Knowledge Base Search How do I use the Significant Numbers calculator from the Science Tools App? Calculations that involve measurements include a certain amount of error. The precision of the measurement determines which digits (known as significant digits or sign...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/30190
Solution 12650: Calculating Trigonometric Functions on the TI-81.
... calculator. It is ideal for algebra, geometry, statistics, finance, and many other classes. The TI-84 Plus CE has an upgradeable operating system, several included Apps, a rechargeable battery and a USB cable to connect the handheld to your computer for downloading Apps, games, data, and more! ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12650
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 10349: Calculation Method Used by the Polynomial Root Finder on the TI-85 and TI-86.
...at calculation method is used by the polynomial root finder on the TI-85 and TI-86? The TI-85 polynomial root finder makes use of the built-in eigenvalue solver. The coefficients of the polynomial are used to create what is called a "companion matrix". Basically, the coefficients appear across ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10349
Solution 10414: Calculating Linear Regressions on the TI-86.
...6: • 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 the Linear Regression (a+bx): • Enter the STAT mode again by pressing [2nd] [STAT]. • Press [F1] to select CALC. • Pre...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10414
Solution 10453: Designing an Ellipse Using the Geometry Section of the TI-92.
...teps to design an ellipse on the TI-92: • Open the Geometry Section of the TI-92 by pressing [APPS] [8] • Select '3: New...' • Select a name for this variable and press [ENTER] • Construct a circle. (Press [F3] and select '1: Circle' ) • Construct a point (A) on the circle. Construct a point (B)...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10453
Solution 10439: Plotting Points Using the TI-86.
... 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 be used. For this example, the frequency of each answer is 1, so clear the fStat list and leave it...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10439
Solution 10395: Calculating a Linear Regression Using the TI-85.
...NTER].5) Press [F3] to display the results for a linear regression. The calculator will display the form of the equation (y=a+bx) and then list the values for the two coefficients (a and b). It will also list a value for corr. This is the correlation coefficient, and it needs to be as close a...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10395
Solution 10427: Finding the Limit of a Function Using the TI-86 Graphing Calculator.
...ch How do I find the limit of a function using the TI-86? To find the limit of a function on the TI-86, it must first be graphed in the interval comprising the given value the function approaches. Then, use the table feature to display values that surround the given value. In the table s...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10427
Solution 10426: Finding the Intersection of Functions on the TI-85 or TI-86.
... equations: 1) Press [GRAPH] [F1]. 2) Input the equations. 3) Press [2nd] [F5]. To find the intersection: 1) Press [MORE] [F1] [MORE] [F3].First curve?, press [ENTER]. 2) The screen will show Second curve?, press [ENTER]. 3) The screen will show Guess, move the cursor close to the intersection ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10426
Solution 10371: Calculating and Graphing a Linear Regression on the TI-82.
...1) Enter 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.Calculate the linear regression (ax+b):1) Enter the STAT mode again by pressing [STAT].2) Select CALC.3) Press [5] to select LinReg(a...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10371
Solution 10379: Finding the Zero of a Function using the TI-82.
...le:Find the zero of y=2x+4Solution:Graph the equation:1) Press [Y=].2) Input the equation.3) Press [GRAPH].Find the zero:1) Press [2nd][CALC][2].2) Move the cursor to the x value to specify the lower bound using the left or right cursor and press [ENTER].3) Move the cursor to the x value to speci...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10379
Solution 27750: Finding the Intersection of Two Functions on the TI-73 Explorer™ Graphing Calculator.
... How can I find the intersection of two functions on the TI-73 Explorer Graphing Calculator? The TI-73 Explorer Graphing Calculator does not have a built in intersection command. However, by following the steps listed below you can find the Intersections of the below two functions: y1= x ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/27750
Solution 32811: Using the Ceiling() Function on the TI-Nspire™ Family Products.
...e of the open book.4) On the first tab, press [C], scroll to ceiling(, and press [enter].5) Input [ctrl] [ [ ] ] [0] [,] [(-)] [3] [.] [2] [p] arrow over to select [i] by pressing [enter].6) Input [,] [1] [.] [3] [,] [4] in the parenthesis next to ceiling and press [enter].7) It will return [0 -3...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/32811
Solution 10421: Creating and Using Strings on the TI-86.
...s "string". To concatenate or join together two or more strings, use the + sign. The syntax is "stringA"+"stringB"+"stringC"+... To create a string variable: 1) Begin on a blank line on the Home screen or in the program editor. 2) Press [2nd] [STRNG] to display the STRNG menu. 3) Press [F1] to...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10421
Solution 11402: Starting the Calculus Tools Application on the TI-89 Family.
... screenshot will pop up showing the required mode settings. Press [ENTER] to close. Before starting the Calculus Tools App, set modes to the required values as follow:1. From the Home screen, press [MODE] to display the MODE dialog box.2. Ensure that the following modes are set as indicated:Graph...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11402
Solution 10587: Differences Between the TI-86 and the TI-89 Family Graphing Calculators.
...elow. Some of the TI-86 functions are not built in the TI-89 family. These functions include: • Polynomial Root Finder. • Simultaneous Equations Solver. Please Note: These features can be added to a TI-89 family calculator with the Polynomial Root Finder and Simultaneous Equation Solver Apps. ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/general-information/10587
Solution 10465: Simplifications Running Slow on the TI-92 Family
...e despite modest inputs and final results. If a problem is taking an unacceptable amount of time: • Try using a different mode, such as APPROXIMATE versus EXACT • Try using an appropriate alternate function, such as nSolve() versus solve() or nInt() versus integral() • Try solving a simpler rel...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/general-information/10465
Solution 12316: Utilizing Memory Functions on the TI-36X Solar.
...mber to be stored in the display of the calculator, press the [STO] key, and then a number 1, 2, or 3. (This calculator has 3 different memory slots available).Recall Key Sequence:Press the [RCL] key, and then either 1, 2, or 3 (depending on which memory space is to be recalled to the display).To...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/12316
Solution 12323: Calculating the Linear Regression on the TI-30X IIB / TI-30X IIS.
...e linear regression on the TI-30X IIB / TI-30X IIS? To find the linear regression on the TI-30X IIB / TI-30X IIS, please refer to the example below:1-VAR analyzes statistical data from 1 data set with 1 measured variable, x. 2-VAR stats analyzes paired data from 2 data sets with two measured vari...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/12323
Solution 33652: Creating a Matrix on the TI-36X Pro Scientific Calculator.
...earch How do I create a matrix on a TI-36X Pro? To create the matrix [1, 2; 8, 9]: 1) Press [2nd] [matrix]. 2) Press [►] [►]. [enter]. 3) Move cursor to "2" on ROWS. 4) Press [enter]. 5) Move cursor to "2" on COLUMNS. 6) Press[enter] [enter]. 7) Press [1] [enter] [2] [enter]. 8) Press ...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/33652
Solution 15629: Graphing Functions with Fractional Powers on Texas Instruments Products Where X < 0.
Solution 15629: Graphing Functions with Fractional Powers on Texas Instruments Products Where X 1 is never zero or Ð.) However, for x=0 or when y can be expressed as a rational number p/q, with q odd. However, as mentioned above, the principal branch of x^y is not real for x0 because the deriva...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/general-information/15629