arith-loop

#!/bin/bash

# arith-loop: script to demonstrate arithmetic operators

finished=0
a=0
printf "a\ta**2\ta**3\n"
printf "=\t====\t====\n"

until ((finished)); do
	b=$((a**2))
	c=$((a**3))
	printf "%d\t%d\t%d\n" "$a" "$b" "$c"
	((a<10?++a: (finished=1)))
done