Pilots frequently need to perform complex calculations mentally in the cockpit without access to calculators or paper. "Mental Math for Pilots, Third Edition" by Ronald D. McElroy provides practical, ...

Forbes contributors publish independent expert analyses and insights. The tactics everyday people use to “FIRE” and pursue their dreams. If you want a tough challenge to address in your spare time, ...

People often solve simple arithmetic problems, such as basic addition, subtraction, multiplication or division, in their minds. The precise mental processes they rely on to solve these problems, ...

Everyday skills like reading a map were crucial before smartphones, but now that technology is at the forefront, nobody seems ...