I just completed my first online course using your DVD based lecture for College Trigonometry. At first I thought that I would struggle not having direct one-on-one communication with my instructor. That has certainly not been the case.
I sought out your name and email address because I had to let you know what a joy it has been learning from your lectures. I do not exaggerate when I say I struggled in my academic level math courses in high school. During the couple of college math classes I have taken I also had some difficulty fully grasping some concepts. I never thought that a pre-recorded lecture would blow away any experience I would have in a regular class room. You have been the best math teacher I have ever had, bar none. I never have any questions because you explain it all and in such an enthusiastic, attention grabbing way!
I could honestly go on and on with compliments for your teaching methods and personality. I just wanted to say thank you for a great experience.