Math shouldn’t be harder than finding the last matching sock in your laundry. These clever shortcuts convert head-scratching problems into quick mental wins. You’ll conquer calculations faster than ...

Imagine you're a trader. You're on the trading floor, trying to price out if a 15-year bond issued by General Electric will generate the returns needed to placate your investors. Bad news, your ...

A 14-year-old math prodigy from India, Aaryan Shukla, broke six Guinness World Records in 24 hours with his lightning-fast mental calculations. Known as a human calculator, Aaryan uses daily practice ...