...I am currently an Academic Tutor (Math/Computer Science) at a community college. During my time as a tutor, I have worked with a diverse population of students. I have a knack for explaining concepts in a way that resonates with the students. (read more)
...I am a 68 year old retiree who enjoys working with high school students to improve their algebra and geometry skills. I have been doing on-line tutoring for 4 years and believe I’ve helped several students improve their grades while also keeping my own cognitive skills refreshed in retirement. I also have previous experience as a substitute teacher and teaching religious education. (read more)
...Set notation is displayed as "?" on this site, obscuring details
A relation R on a set A is antisymmetric if and only if R n R-1 ? {(a, a): a ? A}.
It will first be shown that if R n R-1 ? {(a, a): a ? A}, R on A is antisymmetric. Suppose R n R-1 ? {(a, a): a ? A}. Let R = {(x, y): x, y ... (read more)
...I was their primary caregiver throughout their childhood, and helped them with their schoolwork whenever they needed it. They both took math up through AP calculus (one of them took Calculus BC). One of them took AP Chemistry, the other took AP Physics, so I have seen some of the work done in those classes. My PhD is in Chemistry, 1988. (read more)
Hello! My name is Andy - I am an 11-year veteran of the U.S. Navy Submarine Force, and have since worked with both defense contractors and commercial nuclear power plants. (read more)