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D.12.1.4 wurzel

Procedure from library aksaka.lib (see aksaka_lib).

Usage:
wurzel(r);

Assume:
characteristic of basering is 0, r>=0

Return:
number, square root of r

Example:
 
LIB "aksaka.lib";
ring R = 0,x,dp;
wurzel(7629412809180100);
==> 9328550649646806586050879370407792273683313858088196200391526919634452410\
   9889844387451271811127085665925/10679935179604550411975108530847760573013\
   52261178326384973520803911109862890320275011481043468288


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