recalculation vs computation

recalculation and computation both are nouns.

Word	Noun	Adjective	Verb	Adverb
recalculation	Yes	No	No	No
computation	Yes	No	No	No

As nouns, computation is a hypernym of recalculation; that is, computation is a word with a broader meaning than recalculation:

recalculation: the act of calculating again (usually to eliminate errors or to include additional data)
computation: the procedure of calculating; determining something by mathematical or logical methods

Other hypernyms of recalculation include calculation, computing.

recalculation (noun)	computation (noun)
the act of calculating again (usually to eliminate errors or to include additional data)	the procedure of calculating; determining something by mathematical or logical methods
	problem solving that involves numbers or quantities