wu :: forums
« wu :: forums - Golden Ratio or Phi »
Welcome, Guest. Please Login or Register.
Apr 29th, 2024, 1:23am

RIDDLES SITE WRITE MATH! Home Home Help Help Search Search Members Members Login Login Register Register
   wu :: forums
   general
   truth (Moderators: ThudnBlunder, Eigenray, Icarus, towr, Grimbal, william wu, SMQ)
   Golden Ratio or Phi 		« Previous topic | Next topic »
Pages: 1 2  Reply Reply Notify of replies Notify of replies Send Topic Send Topic Print Print
   Author  Topic: Golden Ratio or Phi  (Read 7726 times)
towr
wu::riddles Moderator
Uberpuzzler
*****



Some people are average, some are just mean.

   


Gender: male
 Posts: 13730
Re: Golden Ratio or Phi  
« Reply #25 on: Sep 3rd, 2011, 2:21pm »		 Quote Quote Modify Modify
on Sep 3rd, 2011, 2:06pm, BenVitale wrote:
I found a curious approximation where only the digit 5 is used:
 
 5^.5*.5+.5
That's not an approximation, that's sqrt(5)/2+1/2 = phi, exactly.
IP Logged
Wikipedia, Google, Mathworld, Integer sequence DB
Benny
Uberpuzzler
*****





   


Gender: male
 Posts: 1024
Re: Golden Ratio or Phi  
« Reply #26 on: Sep 3rd, 2011, 3:05pm »		 Quote Quote Modify Modify
on Sep 3rd, 2011, 2:21pm, towr wrote:

That's not an approximation, that's sqrt(5)/2+1/2 = phi, exactly.

 
Right. Sorry. Silly of me! I don't know what happened... perhaps I spent too much time playing on wolframAlpha trying to find something
IP Logged
If we want to understand our world — or how to change it — we must first understand the rational choices that shape it.
Pages: 1 2  Reply Reply Notify of replies Notify of replies Send Topic Send Topic Print Print

« Previous topic | Next topic »

Powered by YaBB 1 Gold - SP 1.4!
Forum software copyright © 2000-2004 Yet another Bulletin Board