We use cookies to personalise content and advertisements and to analyse access to our website. Furthermore, our partners for online advertising receive pseudonymised information about your use of our website. cookie policy and privacy policy.
 
+0  
 
-1
127
1
avatar+4116 

Help 4

 Dec 17, 2018
 #1
avatar+101827 
+2

C.  phi   

 

[ However....the lowercase usually denotes the reciprocal of the  ratio...."Phi" usually denotes the ratio itself ]

 

 

cool cool cool

 Dec 17, 2018

15 Online Users