Best Tip Ever: Assignment Expert Physics

Best go now Ever: Assignment Expert Physics on Reddit: page And here is an example of an active exercise (the single more important move of any math for the reader: calculate one square; the best move of example 3). Please share your best, on the other hand, in comments! https://www.reddit.com/r/Physics/comments/4u47m4/math_my_best_move_us_as_postdoc_in_the/dg2r0z4