I've never found much use for calculators. The first time through my college science and engineering classes, useful calculators didn't exist (we all used slide

I've never found much use for calculators. The first time through my college science and engineering classes, useful calculators didn't exist (we all used slide rules). Now, I've almost always got a laptop with me when I have work to do so the python REPL is just a few keystrokes away, and for tallying a sum of a few numbers my phone apps work great.