brigad@rcs-sun4 /afs/rpi.edu/home/70/brigad $ matlab
Warning: Unable to open display , MATLAB is starting without a display.
  You will not be able to display graphics on the screen.
Warning:
  MATLAB is starting without a display, using internal event queue.
  You will not be able to display graphics on the screen.


                              < M A T L A B >
                  Copyright 1984-2006 The MathWorks, Inc.
                         Version 7.2.0.283 (R2006a)
                              January 27, 2006


  To get started, type one of these: helpwin, helpdesk, or demo.
  For product information, visit www.mathworks.com.

>> re=6378.1e3

re =

     6378100

>> ce=2*pi*re

ce =

   4.0075e+07

>> C=2.9979e8

C =

   299790000

>> ce/C/2

ans =

    0.0668

>>