YM
2022年8月12日
it provides a deep understanding of electricity helped by many logical models... wow!
MM
2022年2月9日
on of the best tutor i learned from him alot of simplicity in explanation the idea ♥
創建者 Nguyen D L
•2021年8月11日
Thank you so much Professor Hafner,
Your physics demo give me deeper insight into Electric Field. I am sure other student would learn and love your class. I am more confident to tutor my son in Electricity portion of E&M now.
Best,
Nguyen Le
創建者 yonthan a
•2022年8月13日
it provides a deep understanding of electricity helped by many logical models... wow!
創建者 Muhammad E
•2022年2月10日
on of the best tutor i learned from him alot of simplicity in explanation the idea ♥
創建者 David W
•2022年2月25日
Too many mistakes in the problems.