Meaning

• To determine the value of something or the solution to something by a mathematical process.

  "Calculate the square root of 3 to 10 decimal places."

• To determine values or solutions by a mathematical process; reckon.

• To plan; to expect; to think.

• To ascertain or predict by mathematical or astrological computations the time, circumstances, or other conditions of; to forecast or compute the character or consequences of.

  "to calculate or cast one's nativity"

• To adjust for purpose; to adapt by forethought or calculation; to fit or prepare by the adaptation of means to an end.

  "to calculate a system of laws for the government and protection of a free people"