A digital system for computing of the values of composite arithmetic expressions, such as ##EQU1## X.sub.IJ WHERE N, K.sub.1, K.sub.2, ....., K.sub.N ARE ARBITRARY INTEGERS, ON NUMBERS X.sub.IJ IN A BINARY SYSTEM FOR APPLICATION IN LARGE COMPUTER SYSTEMS, WITH POSSIBILITY OF A COLLISION-FREE MULTITASK...http://www.google.co.uk/patents/US4156922?utm_source=gb-gplus-sharePatent US4156922 - Digital system for computation of the values of composite arithmetic expressions
