Online Graphing Calculator--see example templates in the upper left-hand corner: https://www.desmos.com/calculator/3ltwect0mc
Online Calculus simulations: http://phet.colorado.edu/en/simulation/calculus-grapher
Follow the directions below to download a free virtual graphing calcualtor from Texas Instruments.
1. Download this file. I assure you it is safe, it comes from the TI website
2. Follow the directions to complete the download and install the TI-83 Plus SDK (you will be prompted to restart your computer once installation is complete).
3. Click on the “TI-83 Plus Flash Debugger” Icon to start the program.
4. Click File -> New -> Ti-83 Plus (or silver edition)
5. Click Debug -> Go (tiny little play button)
A calculator will appear on your screen. Use your mouse to click the buttons.
You must keep the debug window open for the calculator to work.
When you close the program do not save.