MATH a speed math competition: Mr. Hush against the calculator Posted on 04/05/202004/05/2020 by apho2018 05 Apr Mr. John Hush challenges the class to a speed math calculation. The class may use a calculator; he may not. apho2018 Study Tips, Motivation, & Our Biology Playlist Understand your swing with the help of physics | Swing Expedition | Golf Channel | GOLFPASS