Third-person singular simple present indicative form of compute.(verb)
Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "computes" in a sentence
"If one looks at Wolfram | Alpha today, much of what it computes is firmly based on OKS (the “Old Kind of Science”), and in this sense Wolfram | Alpha can be viewed as a shining example of what can be achieved with pre-NKS mathematical science."
"The minister and historian of Saladin computes, from the report of the enemy, that their numbers, at different periods, amounted to five or six hundred thousand; that more than one hundred thousand Christians were slain; that a far greater number was lost by disease or shipwreck; and that a small portion of this mighty host could return in safety to their native countries."
"Villehardouin computes the space at three leagues, (No. 86.)"