I was wondering about the significance of the returned value 0.63739. Best explanation I found was this HN post [0]: "Referencing a US telephone keypad, it spel

I was wondering about the significance of the returned value 0.63739. Best explanation I found was this HN post [0]: "Referencing a US telephone keypad, it spells NERDY" https://news.ycombinator.com/item?id=29292424 https://news.ycombinator.com/item?id=29292424