 
  
  
   
 Next: Derivation of Helicity and 
 
-  Cylindrical Symmetry
-  The B - field profiles fit a hyperbolic tangent function
-  Think of something else when you're more awake
The hyperbolic tangent function is valid because.
 
 
Riley William Crane 
Mon Oct 12 02:33:10 CDT 1998