Health Information & Education

a division of California Family Health Council

	Phrase	"computer history" finds records with "computer" and "history" side-by-side with "computer" preceding "history."
&	Boolean AND	"computer & history" finds records with both "computer" and "history" with "computer" and "history" occurring anywhere in the field being searched.
/	Boolean OR	"computer / history" finds records with either "computer" or "history."
!	Boolean NOT	"computer ! history" finds records with "computer" but not "history."
=	Terms	"=computer history" finds records with "computer history," but not as part of a longer term, such as "computer history research."
*	Wild Card	"comp*" finds records beginning with "comp," such as computer, computers, computation, complicated.
	Dates	"1999" finds all dates for the year 1999.
:	Date Range	"2000:2002" finds all records for the years 2000, 2001, 2002.