Computer science development of sophisticated computing equipment. Wilhelm Schickard designed and constructed the first working mechanical calculator in 1623. In 1673, Gottfried Leibniz demonstrated a digital mechanical calculator, called the Stepped Reckoner. He may be considered the first computer scientist and information theorist, for, among other reasons, documenting the binary number system. In 1820, Thomas de Colmar launched the mechanical calculator industry when he released his simplified arithmometer, which was the first calculating machine strong enough and reliable enough to be used daily in an office environment. Charles Babbage started the design of the first "automatic mechanical calculator", his Difference Engine, in
Donald Bren School of Information and Computer Sciences instruction hall and classroom) and Computer Science/Engineering (CS/E, a office and facility building near Bren Hall and IERF) were demolished in January 2007. ICS helped found the Ada Byron Research Center (ABRC), which helps minorities in the field of Computer Science. Named in honor of the 19th century female mathematician Ada Lovelace, ABRC aims at not only increases minority researchers, but closing the digital divide. The current director is the Dean Richardson of ICS. The California Institute for Telecommunications and Information Technology (Calit2), is a multidisciplinary research organization within the University of California. UC Irvine and UC San Diego currently