Using maths at work. Calculating reaction times Circle, distance, formula, GCSE Maths, Level 2, speed, sport, You tube video Add comments Jul 082014 This is one in a large series of short videos showing how people use maths at work. See the others here. Leave a Reply Cancel replyYou must be logged in to post a comment. This site uses Akismet to reduce spam. Learn how your comment data is processed.