About: http://webisa.webdatacommons.org/242050842

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	I like that this tool not only computes basic math but also higher maths such as Trigonometry, Pre-calculus, Calculus, Statistics, Finite Math, Linear Algebra, and even Chemistry.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com