Madness in March Underscores the “M” in STEM
...3 Europe’s Sharing Inspiration 2019 conference in Brussels, educators from across Europe explored ways to translate STEM teaching frameworks and guidelines into actionable plans that will pique student interest and increase confidence in STEM subjects. To honor World Math Day, TI’s STEM Squad sp...https://education.ti.com/en/bulletinboard/2019/mathmadness
Solution 30951: Calculating and Graphing a Median-Median Regression on the TI-Nspire™ Family and TI-Nspire Computer Software.
...n 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 displays values for a (Slope) and b (y-intercept). ...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/30951
Solution 12206: Unable to Send a Backup ROM Image of a Texas Instruments' Graphing Calculator on a Macintosh® Computer.
... Group files contain much the same information as a backup image, and are compatible with all ROM versions. For additional information refer to the online guidebook for the appropriate graphing calculator model. Solution 12206: Unable to Send a Backup ROM Image of a Texas Instruments' Graphing C...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/12206
Solution 30971: Solving an Inequality Equation on the TI-Nspire™ CAS Family Line.
...g inequalities on the TI-Nspire CAS family line? Solving an equation with inequalities on the TI-Nspire CAS family line can be done using the solve( command. Note: This only available on TI-Nspire CAS family due to them having a Computer Algebra System. The following example will solve for the i...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/30971
Solution 26350: Recommendation for Disinfecting TI Handheld Products.
...cerned about the health and safety of students using personal and school-owned calculators and recommends cleaning methods that meet CDC and WHO guidelines. To disinfect a TI calculator in an effort to help prevent the transmission of a virus or other illness: 1. Use an alcohol wipe or “prep pad”...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/26350
Solution 34971: Steps to Graph a Linear Inequality in Terms of x on the TI-Nspire™ Family.
... [x] [>] [1] and press [Enter]. 4) Next press [Esc] to dismiss the text cursor and then highlight the text you have entered and your cursor should become an open hand. 5) Once you see the open hand press [Ctrl] then [Click] the center touchpad to change the cursor to a closed hand. 6) Move the...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/34971
Solution 10631: Calculator Usage Guidelines for the ACT® test.
...ting room, and to ensure fairness for all test takers, the following types of calculators are not permitted: • Pocket organizers• Handheld or laptop computers• Electronic writing pads or pen-input devices• Calculators built into cellular phones or other wireless communication devices• Models wi...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/10631
Solution 27430: Troubleshooting Connectivity Issues Between TI Graphing Calculators and Computers.
...able; however, it must be capable of data transfer and not just a charging cable. If you would like to purchase a TI cable, you may do so at the TI Online Store 7) Disconnect the USB cable from the handheld and reinsert it into the handheld. 8) Verify the USB cable is completely pushed into the T...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/27430
Solution 24690: Solving Systems of Linear Equations Using the TI-Nspire™ Family Products.
...sing the TI-Nspire family products, the "Calculator" application and "Solve System of Linear Equations..." template must be used. Texas Instruments recommends all TI-Nspire family users update the handheld and computer software to the latest operating system. More information on the latest operat...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/24690
Solution 24770: Solving a System of Linear Equations on the TI-Nspire™ Family.
...quations on the TI-Nspire family? Simultaneously solving a system of linear equations on the TI-Nspire family products can be done using the simult( command. The following example will solve x and y for the equations: For Example: x + 2y = 1 3x + 4y = -1 1) Press [home] [A] or add a Calculator ...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/24770
Solution 24790: Simultaneously Solving a System of Nonlinear Equations on the TI-Nspire™ Family Handheld.
...wo nonlinear equations, x=1.46 and y=0.212. TI-Nspire CAS In addition to using graphs, the TI-Nspire CAS handheld can also use the solve( and "and" commands to solve simultaneous equations: • In the calculator application, press the catalog key. • Use the tab key to move the cursor to the sec...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/24790
Solution 32071: Creating Vertical Line and Function on the TI-Nspire™ CX Family Line of Products.
...ess [menu] [3] [2].2) Press [X] [=] [P] [I] [E] [C] [E] [W] [I] [S] [E] [(] [(-)] [3] [,] [(-)] [3] [<] [Y] [<] [2] [enter] .Please Note: To access < command press [Ctrl] [=]. Additionally the "piecewise" command can also be selected from the [Catalog] instead of typed. Please see the TI-Nspire ...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/32071
Solution 32171: Installing TI-Nspire™ Document Player for Mac® for Offline Use.
...Use. • Click on the link named [TI-Nspire_Document_Player_for_Mac.zip] at the upper right corner of the screen and download this file to your computer. • Once downloaded [Double Click] the zip file to extract the application. • Once the application has been extracted [Double Click] the [n...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/32171
Solution 34932: Copying and Pasting Lists from the TI-83 Plus, TI-84 Plus, TI-84 Plus C Silver Edition to the TI-Nspire™ Family Software or Calculator.
...™ Family Software or Calculator. global Solution 34932: Copying and Pasting Lists from the TI-84 Plus C Silver Edition to the TI-Nspire™ Family Line. website Home | TI-83 Plus and TI-84 Plus family of prod...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34932
Solution 13344: Calculating lcm() (Least Common Multiple) of Two Arguments on the TI-89 Family, TI-92 Family and Voyage™ 200 Graphing Calculators.
...(): Example: Find the LCM of 6 and 9. 1) Press [2ND] [MATH] [1], use [↓] to select B:lcm(, then press [ENTER] 2) Press [6] [,] [9] [)] ¾ The entry line should display "lcm(6,9)". 3) Press [ENTER] ¾ The answer of 18 is displayed. Example: Find the LCM of the list {1/3, -14, 16} and the list {2...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/13344
Solution 16510: How To draw a vertical line on a TI-86.
... keys and press [ENTER]. The second option: • On the home screen press [2ND] [CATLG-VARS]. • Select CATLG by pressing [F1]. • Scroll to the VERT command and press [ENTER]. • Enter the X value and press [ENTER]. Please see the TI-86 guidebook for additional information. Solution 16510: H...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/16510
Solution 10414: Calculating Linear Regressions on the TI-86.
...IST] to select the lists to use for the regression. • Press [F3] to select Names. Press the function key (F1-F5) that corresponds to xStat, press the comma button, then select yStat. • Press [ENTER] to perform the regression calculation. The calculator will display the form of the equation (y=a...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10414
Solution 11754: Finding the Complex Conjugate of an Imaginary Number on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
... return the matrix [9, 2+i; 1+i, i]. The matrix will be in pretty print if Pretty Print mode is turned ON.For additional instructions, refer to the online guidebook for your calculator. Solution 11754: Finding the Complex Conjugate of an Imaginary Number on the TI-89 Family, TI-92 Family, and Vo...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11754
Solution 11695: Algorithm Used to Compute a Cubic Polynomial on a TI-85, TI-86, TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...y, Voyage 200, TI-85, and TI-86 will try to determine a cubic polynomial that best fits this data in the least squares sense by attempting to solve a linear system that is defined by the normal equations. It turns out that the normal equations for this data set lead to a poorly conditioned linear...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11695
Solution 10403: Symbolic Manipulation Capabilities of the TI-85 when Computing Derivatives.
...so-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin-top:0in; mso-para-margin-right:0in; mso-para-margin-bottom:10.0pt; mso-para-margin-left:0in; line-height:115%; mso-pagination:widow-orphan; font-size:11.0pt; font-family:"Calibri","sans-serif"; mso-ascii-font-family:Calibri; mso-ascii-...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10403
Solution 34780: Computing Effective Annual Percentage Rate (APR) with Points and Fees on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...yment. The total monthly payment is $733.76 (rounded off to hundredths). Compute the actual loan amount by subtracting points and fees on the PV= line: • 100000 [X] .98 [-] 5000. This should store 93000 on PV. • To compute the interest rate, or the effective APR scroll up I% and press [...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34780
Solution 11175: Installing the TI Connectivity USB Cable on a Windows® Computer When the TI Resource CD Does Not Function.
... How do I install my TI Connectivity USB Cable on my Windows® computer when my TI Resource CD does not work? Please refer to the instructions outlined below in order to correctly install the TI Connectivity USB Cable on a Windows® computer when the TI Resource CD is not functioning:• Remove ...https://education.ti.com/en/customer-support/knowledge-base/data-collection-accessories/computer-software-installation-activation/11175
Solution 12150: Multiplication of Complex Numbers in Polar Form on the TI-89 Family, TI-92 Family and Voyage™ 200 Graphing Calculators.
...]. 5) Press [(-)] [3] [0] [)]. 6) Press [ENTER]. For additional instructions and examples on performing these types of calculations, refer to the online guidebook for your calculator model. Solution 12150: Multiplication of Complex Numbers in Polar Form on the TI-89 Family, TI-92 Family and Vo...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12150
Ratios in Regular Polygons
Students use linear measurement and calculators to investigate the ratios between corresponding parts of regular polygons.https://education.ti.com/en/activity/detail/ratios-in-regular-polygons
What's My Ratio?
Students use linear measurement and calculators to investigate proportionality and determine the constant ratio between similar figures.https://education.ti.com/en/activity/detail/whats-my-ratio