FREE SAMPLE TBL: preCalculus or Algebra 2 Chapter 9 Section 3 ScreenCast
TextBook: preCalculus by Sullivan & Sullivan 3rd edition
Here's a sample of one of my ScreenCasts from preCalculus CH9: Vectors! You can use my ScreenCasts as part of HomeWork or to Flip your ClassRoom! TBL stands for TechBook Lesson. My TechBooks complement standard TextBooks by adding Technology to the Lesson using a TI84C! TBLs for sale include several MP4 video lessons from a given chapter in a ZIP file.