And it isn't even very good at math. It knows about the microfortnight, but if you ask it for attoparsec per millifortnight, it parses it as (attoparsec / (1/10

And it isn't even very good at math. It knows about the microfortnight, but if you ask it for attoparsec per millifortnight, it parses it as (attoparsec / (1/1000))*fortnight which isn't even a speed. [Edit: typo, why is there no preview?]