EFLIGHT 2003 X (MacOS X)
HISTORY
1974 - CENTERLINE
          
High Precision Dynamical Computation ofAstronomical Ephemeridesfor Eclipse Global & Local Circumstances.

Xerox DataSystems  Sigma-9  UTS/CPV  APL/C00-E05
It's Portable!
EFLIGHT 2003 X - Overview Slide 2
1974: CENTERLINE on XDS Sigma 9