Inventors:
Alan B. Goldsamt - Greenwich CT
Earl Greenberg - Whitestone NY
International Classification:
G06F 302, G06F 502
Abstract:
An apparatus is disclosed for automatically adding, subtracting, multiplying and dividing feet, inches and fractions of an inch and for the recordation of the results of said arithmetic functions on a visual display. The apparatus also automatically and directly converts feet, inches and fractions of an inch into decimal equivalents and into the metric system of measurement and, similarly, converts numbers in decimal numeric and in metric measurement automatically and directly into feet, inches and fractions of an inch.