> Sure but once you learn long multiplication/division algorithms by hand there's not much point in using them. By high school everyone is using a calculator.

> Sure but once you learn long multiplication/division algorithms by hand there's not much point in using them. By high school everyone is using a calculator. And many lose the ability to do long division by high school, where they'll have to relearn it for polynomial long division, which typical school calculators can't handle easily.