Thank you Mr.Vahn, I am now doing very well in Algebra thanks to your videos.

hi i am learning about cosine and sine..its soo hard but you made it soo easy thank you soo much =)
if i ever need help can i ask you?

Thank, i gotta say, you explain it very clearly, I learned how to solve new problems. Thank you for devoting your time in these videos.

Hi

I have watched one of your videos on Algebra- Equations and Inequalities and i just want to say thatnk you very much for putting in the time to educate others and spread knowledge in such an easy, understandable and an appealing way.

Keep up the good work

Thank you

ur a great teacher am in college am taking MA003 and we are working on exponents n improper fractions & mixed Numbers i need help

Hey! I'm Vicky, I have a question, Would you mind saying me what's the software that you use to do the videos?

Thanks!

That Videos are really good, Congratulations!
Felicitaciones!!

you have single handedly helped me pass precal. thank you!

This channel is wonderful! Thank you so much for putting this up it has been a great help. I really appreciate this and your AWESOME!

CAN YOU tell me what software you used to present that digital whiteboard presentation as a video? I have used an interactive whiteboard previously in the classroom, but I was wondering how you capture the whole stream of activity to make it into a real presentation like you have done.... very cool. here's my email address:
gregandsonia "at" keptprivate "dot" com

thanks mr vahn, ive already started to do better