...As an active practicing engineer for many years, and a career that dates back over 30 years ago, prealgebra has been an everyday material that I need to know in almost all my every day problem solving. Add to that the numerous hours I spent tutoring this math subject one on one to many students... (read more)
...I have tutored Calculus 1 and 2 at the high school and college level for many years. I hold a BA in Biochemistry and Molecular Biology. I studied the disease hereditary fructose intolerance for 2 years and wrote a thesis on a new diagnostic method. (read more)