+0  
 
+1
798
1
avatar

Hey! Is there any thing like " T i s of 7" i mean, is "T" "i" and "s" any symbols? like pi for example

 Oct 25, 2017
 #1
avatar+633 
+2

I do know that i is used to represent \(\sqrt{-1}\) .

 Oct 25, 2017

1 Online Users