Best Questions & Answers from 2nd Quarter of 2017. It only takes a minute to sign up. It only takes a minute to sign up. Thanks for contributing an answer to Electrical Engineering Stack Exchange! Making statements based on opinion; back them up with references or personal experience. questions. Please be sure to answer the question. Best Questions & Answers from 2nd Quarter of 2017. Explain the nature of the resource so that readers can decide which one is best suited for them rather than relying on the opinions of others. Making statements based on opinion; back them up with references or personal experience. 1. Please be sure to answer the question. Making statements based on opinion; back them up with references or personal experience. Kate. Making statements based on opinion; back them up with references or personal experience. \displaystyle -\frac14,&\frac12