In this graph, 𝑥 and 𝑦 are directly proportional. This means that when 𝑥 doubles, 𝑦 also doubles, and when 𝑥 triples, so does 𝑦. In fact, for all coordinates on this line, you could multiply or ...

Editor’s Note: Published in 1959, this article comes from Martin Gardner’s legendary Scientific American column Mathematical Games. Read more classic Mathematical Games articles in our 2024 special ...

Richard K. Sherwin, Professor Emeritus of Law at New York Law School, is a co-editor (with Danielle Celermajer) of A Cultural History of Law in the Modern Age (Bloomsbury, 2021).

For many, air travel during the holidays only conjures up feelings of dread. You're at the mercy of unpredictable Canadian winter weather. You’re travelling with extra luggage filled with gifts that ...