It's also valid for calculators vs pen and paper math. Calculators make calculation much easier, but people doing math with them lose a sizable part of their m

It's also valid for calculators vs pen and paper math. Calculators make calculation much easier, but people doing math with them lose a sizable part of their mathematic skills. To the point of kids not being able to do a simple addition or multiplication or percentage calculation (never mind division) with a calculator, even when someone used to pen and paper can trivially doing with just their mind.