The computer algebra system CASS1 is designed by algebraic simplification method.

CASS1是用代数化简方法设计的计算机代数系统。

The Macaulay computer algebra system is useful for polynomial computations with emphasis on Grobner basis calculations.

Macaulay计算机代数系统对于多项式计算非常有用，并重点强调grobner基计算。

The paper concludes by presenting an algebra system which is suitable for current signal representation and operation on currents.

本文最后提出了一个适用于电流信号表示和电流运算的代数系统。