A plurality of elements is identified by a user for input to the computing system by at least one of sequential and simultaneous selection of elements presented on a display of a computing system. Based on the elements thus identified, which may include at least one operator and at least one operand,...http://www.google.com/patents/US7925996?utm_source=gb-gplus-sharePatent US7925996 - Method and system for providing multiple input connecting user interface
