Calculator watch financial functions (in the Casio CBA-10). Usually calculator watch operates with eight digits number, however, calculator watch can operate with 6 digits (for example, Casio C-801) or 10 digits (Casio CBA-10) numbers. Calculator watches first appeared in the mid 1970s introduced by Pulsar (1975, then a brand of the Hamilton Watch Company) and Hewlett Packard. Several watch manufacturers have made calculator watches over the years, such as Pulsar and Timex, but the Japanese electronics company Casio produced the largest variety of models. In the mid-1980s, Casio created the Databank calculator watch, which not only performed calculator functions, but also stored
Crescent Electric Supply Co. Crescent Electric Supply Co. Crescent Electric Supply Company is an American electrical hardware supplier. It was founded in 1919 in Dubuque, Iowa, but is currently headquartered in East Dubuque, Illinois. One of the largest companies of its kind, Crescent Electric Supply was ranked by "Forbes" as the 435th largest privately held company in the United States in 2008. Electric contractor Titus B. Schmid founded Crescent Electric Supply in Dubuque, Iowa, in April 1919. Schmid believed that he could deliver goods through the river from St. Louis or Minneapolis to Dubuque faster then existing electronics manufacturers. A 1957 article in "BusinessWeek"