A central processing unit ( CPU ) circuitry feature usually found on larger computers or on scientific computers which is capable of directly performing operations on floating-point numbers without the use of subroutines.

• 大型计算机或科学计算机通常具备的一种中央处理器(CPU)电路功能部件,能够对浮点数直接进行运算而不必使用子程序。