calculating vs calculative

calculating and calculative both are adjectives.

Word	Noun	Adjective	Verb	Adverb
calculating	No	Yes	No	No
calculative	No	Yes	No	No

As adjectives, calculating and calculative are synonyms defined as:

Other synonyms of calculating include conniving, scheming, shrewd.

calculating (adjective)	calculative (adjective)
acting with a specific goal	acting with a specific goal