"exact" - key terms from Wikipedia

exact
exact	answer
exact	audio copy
exact	coefficients
exact	collision
exact	count
exact	cover problem
exact	date
exact	date of the eruption
exact	differential
exact	double
exact	exchange
exact	fit
exact	location
exact	match
exact	millimetre measurement
exact	name
exact	nature
exact	number of tricks
exact	order
exact	percentage
exact	rational
exact	relation
exact	sequence
exact	shape
exact	solution
exact	solutions
exact	time
frequencies given are exact
short exact