ANSWER: The Romans did their calculations with an abacus, using pebbles as counters. The people that performed the mathematical operations were called “calculatores.” They were so named because they ...

Ever looked at a clock and wondered what those weird symbols mean? Or seen "MCMLXIV" on an old building cornerstone and felt completely baffled? You're staring at Roman numerals—the ancient numbering ...

This week calls for some throwback thinking. If you can recall how Roman numerals work, you'll get at least one question correct. This week, eggs are so expensive that jokes about broke millennials ...