You have /5 articles left. Sign up for a free account or log in. Last week, the greater Cleveland area let out a collective groan as we learned that our star ...

Math teacher Elaine Elfond is serious about algebra. But she’s also happy to embrace her inner nerd and theater geek for the sake of school spirit. The energetic Elfond is a force at Shell Bank Junior ...

Were you a kid who struggled in math class? If so, vivid recollections of poring over algebra homework trying to understand the inscrutable equations are probably core memories from your school years.

One of my co-workers is trying to calculate the covarience matrix for a system and while he thinks he is calculating it correctly, when he plugs it into the sample equation he is given, the result is ...