3 ms·

agreed. years ago, I saw the casio fx-115ms ($15) used on the professional engineering exam (California) as a good dumb calculator. looks like the fx-115ES Plus

by K2h 7y ago

agreed. years ago, I saw the casio fx-115ms ($15) used on the professional engineering exam (California) as a good dumb calculator. looks like the fx-115ES Plus is the modern equivalent.