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                       The Planetary System (HP48G) 

A comfortable overview on the most important physical and geometrical data.
The options of the 2page menu display sun or earth distance, diameter, orbit 
velocity, orbit ecliptic or axis inclination, mass in units of the earth mass, 
and length of a year in units of the earth year. With latest data from 2001.
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 Wolfgang Rautenberg - raut@math.fu-berlin.de - www.math.fu-berlin.de/~raut