FWIW, I use awk, which is POSIX standard $ awk 'BEGIN{print sqrt(2)+4;}'; 5.4142...

		bnegreve on June 9, 2015 \| parent \| context \| favorite \| on: Show HN: Calc, a simple command-line calulator in ... FWIW, I use awk, which is POSIX standard `$ awk 'BEGIN{print sqrt(2)+4;}'; 5.41421` bc is also standard but for some arbitrary reason I don't like it.