A year after he started his Ph.D. in mathematics at McGill University, Matt Bowen had a problem. “I took my qualifying exams and did absolutely horribly on them,” he said. Bowen was sure that his ...

Consider this sequence of numbers: 5, 7, 9. Can you spot the pattern? Here’s another with the same pattern: 15, 19, 23. One more: 232, 235, 238. “Three equally spaced things,” says Raghu Meka, a ...

Dozens of bullish and bearish live candlestick chart patterns for the Value Line Arithmetic index and use them to predict future market behavior. The patterns are available for hundreds of indexes in ...

In my previous column I looked at the role of investigations and the recognition of patterns in helping children to learn mathematics in general and their multiplication tables in particular. I made ...