supercomputer

To perform; to do; to conduct oneself; to carry out.

complex (not simple or straightforward)

to use / to employ / to make use of, to apply / to spend

(chiefly women's speech) first person singular pronoun: I, me

calculation / forecast

to calculate

private; mine

(polite) first-person singular pronoun: I, me

a personal or private matter / (by extension) selfishness