Top Ten Parent Questions | Texas Instruments
...ing calculator, as well as an understanding of the subject matter, they develop better critical thinking and problem-solving skills needed to achieve greater academic success. 4. How will a graphing calculator help my child understand math and science better? A graphing calculator helps students...https://education.ti.com/en/customer-support/top-ten-parent-questions
Solution 30331: Graphing Linear Inequalities on the TI-Nspire™ CAS Handheld or Software.
...mple: 3x+2y3: Algebra>1: Solve (3x+2y<=6,y). • Enter the answer in the editor as y<=-3x-2/2 - Select graphs f1(x)= delete = to insert less then or greater then sign y<=(-3x+2)/2 and press Enter More information on the TI-Nspire handheld is available in the guidebook. Solution 30331: Grap...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/30331
Solution 30951: Calculating and Graphing a Median-Median Regression on the TI-Nspire™ Family and TI-Nspire Computer Software.
...do I calculate and graph a Median-Median Regression on the TI-Nspire Family and TI-Nspire Computer Software? Med-Med (median-median) fits the model equation y=ax+b to be data using the median-median line (resistant line) technique, calculating the summary points x1,y1,x2,y2,x3 and y3. Med-Med di...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/30951
Solution 34212: Calculating Cubic Regressions on the TI-Nspire™ Family Handhelds.
...arch How do I calculate a cubic regression on a TI-Nspire Family handheld? Cubic Regression is a process by which the cubic (third degree) equation of "best fit" is found for a set of data. The following example will demonstrate how to calculate a cubic regression: X= {15, 25, 50, 50, 7...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/34212
Solution 11778: Different Logistic Regression Models Available On Current Texas Instruments Graphing Calculators.
...family, TI-92 family and Voyage 200. The TI-83 family, TI-84 Plus, TI-Nspire family, and TI-Nspire handheld in TI-84 Plus mode fit the curve to the equation: Y=c/(1 + a*exp (-b*x)). The TI-89 family, TI-92 family and Voyage 200 fit the curve to the more general equation: Y = a/(1 + b*exp (-c*...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/11778
Solution 34424: Coefficient (r-Values) are not Displayed When Calculating Statistical Regressions on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...4 Plus family of graphing calculators, the r and r2 values are computed for LinReg(a+bx), LinReg(ax+b), ExpReg, PwrReg and LnReg. R2 is computed for QuadReg, CubicReg and QuartReg. The r, r2 and R2 values are not computed for Logistic, SinReg and Manual-Fit. All the r-value variables can be fo...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/34424
Solution 11925: Calculating Logistic Regressions Using the TI-83 Family, TI-84 Plus Family, and TI-Nspire™ Handheld in TI-84 Plus Mode.
...] to access the STAT list editor. 2) Enter the data into the L1 and L2 lists, making sure to press [ENTER] after each entry. 3) Press [2nd] [MODE] to QUIT and return to the home screen. To calculate the logistic regression: 1) Press [STAT] and scroll right to highlight the CALC menu. 2) Press [...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11925
Solution 11918: Calculating and Graphing a Linear Regressions on the TI-83 Plus.
... right, now press [1] [1]. 4) Press the [ENTER] key to perform the regression calculation. The graphing calculator will display the form of the equation as (y=a+bx) and list the values for the two coefficients (a and b). It will store the regression equation to your Y1 function. The correlat...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11918
Solution 34855: Calculating a Median-Median Regression on the TI-84 Plus Family of Graphing Calculators.
...arch How do I calculate a Median-Median Regression on the TI-84 Plus family of graphing calculators? Med-Med (median-median) fits the model equation 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 d...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34855
Solution 11919: Calculating Cubic Regressions on the TI-83 Plus Family of Graphing Calculators.
...-83 Plus family of graphing calculators? The example below will demonstrate how to calculate a cubic regression. Example: Find the cubic regression equation for the x and y values below. xStat: {80, 84, 86, 91, 93, 96} yStat: {10, 7, 9, 18, 19, 15} Please Note: If you have data in L1 and L2 or...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11919
Solution 34598: Calculating Cubic Regressions on the TI-84 Plus Family of Graphing Calculators.
...dge Base Search How do I calculate a cubic regression on the TI-84 Plus family of graphing calculators? Example: Find the cubic regression equation for the x and y values below. xStat: {80, 84, 86, 91, 93, 96} yStat: {10, 7, 9, 18, 19, 15} To enter the data: • Enter STAT edit mode by...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34598
Solution 34506: Calculating and Graphing a Linear Regression on the TI-84 Plus family of graphing calculators.
... • Press the right arrow key to reach the CALC menu and then press 4: LinReg(ax+b). • Ensure Xlist is set at L1, Ylist is set at L2 and Store RegEQ is set at Y1 by pressing [VARS] [→] 1:Function and 1:Y1. • Scroll down to Calculate and press [ENTER]. The graphing calculator will display...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34506
Solution 34712: Graphing a Polar Equation on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...raph an equation in polar mode on the TI-83 Plus and TI-84 Plus family of graphing calculators? Polar equations can be graphed in either Radian or Degree mode. Follow the steps below to graph the equation r=1-sinq Example : 1) Press [mode] [↓] [↓] [enter]. 2) Press [↓] [→] [→] [enter]. 3) Press...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34712
Solution 12705: Differences Between Algebraic Operating System (AOS) and Equation Operating System (EOS).
... the argument, such as square root(, sin(, or log(.2) Functions that are entered after the argument, such as exponents, factorials, r (radians), ° (degrees), and unit conversions.3) Powers and roots, such as 2^5. 4) Permutations (nPr) and combinations (nCr). 5) Multiplication, implied multiplicat...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/12705
Solution 13924: TI TestGuard 2.0™Quick Start Instructions.
...onality disabled rather than deleted. The functionality can be re-enabled once the exam is over. • Set the initial angle to the desired preference. DEGREE is the factory default. • Select the initial setting for Stat Diagnostics, which offers the ability to view the r and r^2 values in statistics...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/13924
Solution 11576: Algorithm Used for Calculating the Sine Regression On the TI-86, TI-83 Family, or TI-84 Plus Family.
...,d values for the sine formula that best fit the x,y data lists. More formally, best is defined to be the values that makes the following sum of the square error function as small as possible.J = sum[ (a*sin(b*x(k) + c) + d - y(k))^2 ], for k = 1,2,...,nSolving this equation for the a,b,c,d param...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11576
Solution 30651: Calculating a Median-Median Regression on the TI-83 Plus Family of Graphing Calculators.
...rch How do I calculate a Median-Median Regression on the TI-83 Plus family of graphing calculators? Med-Med (median-median) fits the model equation 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 d...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/30651
Solution 12648: Calculating Linear Regressions on the TI-81.
...[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):1) Enter the STAT mode again by pressing [2nd] [STAT].2) Press [2] to select LinR...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12648
Solution 11810: Calculating a Cubic Regression on the TI-89 Family, TI-92 Family and Voyage™ 200 Graphing Calculators.
... the down arrow, then press [C][2] (Indicates the y variables are in c2). On the TI-89 family, press [ALPHA][C][2]. 10) To graph the line, select an equation number after Store RegEQ to... 11) Press [ENTER][ENTER]. A dialog box will display the cubic regression variables. 12) Press [♦][F3]...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11810
Solution 10414: Calculating Linear Regressions on the TI-86.
...nto 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 the Linear Regression (a+bx): • Enter the STAT mode again by pressing [2nd] [STAT]. • Press [F1] to select...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10414
Solution 12062: Calculating Median-Median Regression Using the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...s the X values are in C1). 8) Press the down arrow, then press [alpha] [C] [2] (indicates the Y values are in C2). 9) To graph the line, select an equation number after "Store ReEQ to..." 10) Press [ENTER] [ENTER]. A dialog box will appear with the median-median regression variables. Plea...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12062
Solution 10395: Calculating a Linear Regression Using the TI-85.
...] [3].4) Press [2nd] [F1] [ENTER] [ENTER].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 coeffic...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10395
Solution 10371: Calculating and Graphing a Linear Regression on the TI-82.
...o 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 sel...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10371
Solution 11707: Calculating Linear Regressions on the TI-89 Family, TI-92 Family, and Voyage 200™ Graphing Calculators.
... c1 (Indicates the x variables are in c1) • Press the down arrow, then input c2 (Indicates the y variables are in c2) • To graph the line, select an equation number after Store RegEQ to... • Press [ENTER][ENTER] The dialog box with the linear regression variables will be displayed. Please see ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11707
Solution 12323: Calculating the Linear Regression on the TI-30X IIB / TI-30X IIS.
...NTER]6) Repeat steps 3 and 4 until all the above data points are entered. Users must press [ENTER] or the down arrow to save the last data point or FRQ value entered. If users add or delete data points, the TI-30X IIS/B or the TI-34 Explorer Plus automatically reorders the list.7) When all points...https://education.ti.com/en/customer-support/knowledge-base/scientific-elem-calculators/product-usage/12323