<http://webisa.webdatacommons.org/422642715>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/422642715>	<http://www.w3.org/ns/prov#value>	"This year, Casio and competitor Texas Instruments are pushing new graphing calculators equipped with color screens and other features designed to preserve their place in schools." .
<http://webisa.webdatacommons.org/prov/441391609>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/422642715> .
<http://webisa.webdatacommons.org/422642715>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<washingtonpost.com> .