About: http://webisa.webdatacommons.org/255040455

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	Authors give examples of student versus computer versions of graphing, how to change domain or range to make the graph easier to view, the limitations of graphing calculators, and how to eliminate graphing gaps.
http://www.w3.org/ns/prov#wasQuotedFrom	nctm.org