Patent US 4,121,298

According to the invention, the central processing unit for numbers represented in a system of residual classes comprises registers of first and second operands which are connected to generators, a multiplier, a divider, a shift unit, a modular arithmetic unit, and an analysis system. The analysis system is connected to sign registers, a result sign register, an overflow attribute register, and a result register. The result register is connected to the multiplier, the divider, the shift unit and the modular arithmetic unit. The invention makes it possible to develop a fundamentally novel family of computers operating with numbers in the system of residual classes.