Mental maths - tips, tricks and shortcuts
I thought I'd start a little thread that will hopefully be of some benefit to newbies and "old hats" alike.
Maths is something we use on a daily basis as pilots and the more time you can spend looking out the window as opposed to scribbling on a piece of paper, punching numbers in to calculator or wizzing around your wizz wheel.
Be it simple 1-60's, a quick and dirty method of working out drift angles for an instrument approach or converting speeds, weight, units of measurement quickly.