About: http://webisa.webdatacommons.org/250500893

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	It???s very easy and intuitive to use, calculates the result instantly, and allows you to quickly and easily email the results, including the answer to each of the variables (see below).
http://www.w3.org/ns/prov#wasQuotedFrom	meta4rn.com