<http://webisa.webdatacommons.org/407542918>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/prov/340284731>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/407542918> .
<http://webisa.webdatacommons.org/407542918>	<http://www.w3.org/ns/prov#value>	"These type algorithms do nothing to aid a student in learning the process and are typically most appropriate for mathematically experienced users. [0015] In contrast, and according to the present invention, a CAS is intended to help a student learn subjects such as algebra, pre-calculus, calculus, or any other area of mathematics and is based on a different set of targets or goals." .
<http://webisa.webdatacommons.org/407542918>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .