Significant digits in a float?

[Grant Edwards]

On 2014-04-29, emile <emile at fenx.com> wrote:
> On 04/29/2014 01:16 PM, Adam Funk wrote:
>
>> "A man pitches his tent, walks 1 km south, walks 1 km east, kills a
>> bear, & walks 1 km north, where he's back at his tent.  What color is
>> the bear?"  ;-)
>
>  From how many locations on Earth can someone walk one mile south, one 
> mile east, and one mile north and end up at their starting point?

I'm pretty sure there are places in London like that.  At least that's
what it seemed like to somebody from the midwestern US where the
streets are layed out on a grid.

-- 
Grant Edwards               grant.b.edwards        Yow! It's a hole all the
                                  at               way to downtown Burbank!
                              gmail.com