On Sat, Feb 20, 2010 at 8:07 AM, Shurui Liu (Aaron Liu)
<shuru...@gmail.com> wrote:
> How to describe a math formula: sphere=(4/3)*PI*R**3?

A function seems like the logical thing to do:

import math

def spherical_volume(radius):
    return (4.0/3)*math.pi*radius**3

-- 
André Engels, andreeng...@gmail.com
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