Allen M.

I am retired from Electrical Engineering for 30+ years specializing in Printed Circuit Board Design. Now I'm a Substitute Teacher for K though 12 in Downingtown Area School District and West Chester Area School District. I've been helping students get their grade up for over three years. As a substitute teacher I teach all subjects to a wide variety of grades. From K to 12th grade. I love math. Math is not subjective, it's not a mater of opinion. Math is just numbers. Why 5th to 9th grades? Thi…