On Apr 7, 6:15 am, Patrick Maupin <pmau...@gmail.com> wrote: > I should stop making a habit of responding to myself, BUT. This isn't > quite an acre in square feet. I just saw the 43xxx and assumed it > was, and then realized it couldn't be, because it wasn't divisible by > 10. (I used to measure land with my grandfather with a 66 foot long > chain, and learned at an early age that an acre was 1 chain by 10 > chains, or 66 * 66 * 10 = 43560 sqft.) > That's an exact number, and 208 is a poor approximation of its square > root.
There is no need to remember those numbers for the imperially challenged people: In [1]: import scipy.constants as c In [2]: def acre2sqft(a): ...: return a * c.acre / (c.foot * c.foot) ...: In [3]: acre2sqft(1) Out[3]: 43560.0 Cheers, Bas -- http://mail.python.org/mailman/listinfo/python-list
