This is the first thing I noticed. Using ‘bc’ and ‘sed’ for integer comparison seems quite odd. But then they chose this for their front page example, the one

This is the first thing I noticed. Using ‘bc’ and ‘sed’ for integer comparison seems quite odd. But then they chose this for their front page example, the one that everyone will see, so I assumed this was to demonstrate something clever I just didn’t understand. I wonder what the motivation was to not have an integer type?