I started hacking something up to invoke dc more easily… $ . calc.sh $ * 4 5 20 $ / 21 3 7 It’s a WIP. I’ll probably add floating point and a stack

I started hacking something up to invoke dc more easily… $ . calc.sh $ * 4 5 20 $ / 21 3 7 It’s a WIP. I’ll probably add floating point and a stack. Which will mean moving away from `dc` to awk/python/something else running in the background, using sh co-processes.