Table of Contents 
 
 Introduction and general overview
       
 Arithmetic in basic domains(English 
postscript)
        Computing by homomorphic images (English 
postscript)
        Greatest common divisors of polynomials (English 
postscript) 
        Factorization of polynomials (English 
postscript)
         Linear algebra-Solving linear systems
         Wu-Ritt Characteristic Set method (English 
postscript)
        The method of Grobner basis (English 
postscript)
        Simplification of Real Polynomial Systems (English 
postscript)
        Indefinite summation