Most everyone in math knows these tricks — here’s a summary of techniques used to make quick mental calculations of averages.
Category: Mental Math
Lucky Me Jun 2022
As a kid and later through my career, several lucky things happened to me; some of these things were fortuitous and some happened because I searched them out — either way, still lucky.
Long Division — Just Write the Answer Oct 2021
I found an exciting article recently; it describes the calculating powers of Professor Craig Aitken.