About: http://webisa.webdatacommons.org/241164845

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	By using the factor-combining method of calculating logarithms and anti-logarithms, this calculator provided functions useful for engineering, such as calculating roots and powers.
http://www.w3.org/ns/prov#wasQuotedFrom	ethw.org