...I have successfully taught Pre-Algebra courses multiple times during my teaching career at the high school level and have taught all classes that follow it. So, I know how important this subject is as well as the most critical content in the course. I have written and edited pre-algebra content in mathematics textbooks and ancillary materials since 1989. (read more)
...I have hands on, classroom taught and self taught knowledge in the most advanced forms of chemistry including: physical chemistry (quantum mechanics, thermo and kinetics), inorganic chemistry, organic chemistry, analytical chemistry, nuclear and radiochemistry, general chemistry, biochemistry and... (read more)