Patent 6938061 was granted and assigned to Arithmatica on August, 2005 by the United States Patent and Trademark Office.
A parallel counter comprises logic for generating output bits as symmetrical functions of the input bits. The parallel counter can be used in a multiplication circuit. A multiplication circuit is also provided in which an array of combinatins of each bit of a binary number with each other bit of another binary number is generated having a reduced from in order to reduce the steps required in array reduction.