About: http://webisa.webdatacommons.org/75139450

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	The calculator used a form of 'cache' memory for storing the results of the last operation.
http://www.w3.org/ns/prov#wasQuotedFrom	old-computers.com