We like to think that we're pretty good at math, especially after years of schooling. But every once in a while, a simple third-grade math problem manages to trip us up and make us question our ...

Teaches pilots to solve aviation math problems mentally, without calculators. Covers essential areas like fuel planning, temperature conversions, and time-speed-distance calculations. Offers practical ...

For all of the recent strides we’ve made in the math world—like a supercomputer finally solving the Sum of Three Cubes problem that puzzled mathematicians for 65 years—we’re forever crunching ...