The answer could be 1 or it could be 16, or it could be both. There are two problems, according to the computer science professor: the order and the obelus. An obelus is this: ÷ and it has a variety ...

In this video I work through three examples to show students the power and meaning of parenthesis. If we don't understand how ...

Every now and again, homework takes social media by storm. Sometimes it’s a young child’s vexing assignment, or a classic brain teaser. But the problem above that’s stirred such debate is really just ...