4 ms·
On a tangential note, here's something useful for back of the envelope calculations: a billion seconds is \pi centuries.
by Jun8 15y ago
On a tangential note, here's something useful for back of the envelope calculations: a billion seconds is \pi centuries.
- jgw 15y agoNo, 1 billion seconds would be (around) π decades...
- Jun8 15y agoOops, you're right, I got the \pi in the wrong side of the equation! Evidently this is called Duff's Rule (http://www.johndcook.com/blog/2009/07/01/three-rules-of-thumb/ http://www.johndcook.com/blog/2009/07/01/three-rules-of-thum...).
- gwern 15y agoI always enjoyed microcentury = ~53 minutes. Something to think about in class.