Accession Number : AD0164261
Title : Educational Device for Use in Conversion Between Number Systems.
Descriptive Note : Patent,
Corporate Author : DEPARTMENT OF THE NAVY WASHINGTON D C
Personal Author(s) : Moskowitz,Arthur
Report Date : 17 AUG 1971
Pagination or Media Count : 9
Abstract : The patent describes an educational device comprising a base member, a front panel having a plurity of windows arranged in rows and columns and movable indicator members viewable through the windows to provide numeric information useful in the conversion between number systems. In one embodiment the movable indicator members include a slide member and a plurality of rotatable discs. In a second embodiment the movable indicator members comprises a plurality of rotatable drums.
Descriptors : *Digital computers, *Training devices, *Patents, Convecters, Numbers, Computer operators
Subject Categories : Humanities and History
Distribution Statement : APPROVED FOR PUBLIC RELEASE