"Free tutorials using java applets to explore, interactively, important topics in precalculus such as quadratic, rational, exponential, logarithmic, trigonometric, polynomial, absolute value functions and their graphs. Equations of lines, circles, ellipses, hyperbolas and parabolas are also explored interactively. Graph shifting, scaling and reflection are also included. The definition and properties of inverse functions are thoroughly investigated. A graphical approach to 2 by 2 systems of equations is included. "
Mary Vaughn writes: Want to share and collaborate across the classroom? How about across the state or further? http://www.screenleap.com/ is the perfect tool to do that. Easy to use, all you have to do is download the java applet and you're ready to share your screen with anyone at anytime. This works in tandem with apple devices or any device that has internet connection. Unfortunately, right now it's a one-way deal - you'll have to use a pc or mac to share. It gives a simple code or website you can share with others to see your screen. There's a little lagtime but not terribly so. So, if you have teachers who have data projectors going on the fritz, want to do a PLC with other colleagues, or whatever collaboration you're working with, this could be the perfect tool. Hint: use the tabs to open up different websites - you have to keep the original screenleap up and running.