calculate

As verbs the difference between operate and calculate

is that operate is (transitive|or|intransitive) to perform a work or labour; to exert power or strength, physical or mechanical; to act while calculate is (mathematics) to determine the value of something or the solution to something by a mathematical process.

Calculate is a related term of forecast.

As verbs the difference between calculate and forecast

is that calculate is (mathematics) to determine the value of something or the solution to something by a mathematical process while forecast is to estimate how something will be in the future.

As a noun forecast is

an estimation of a future condition.

As verbs the difference between detect and calculate

is that detect is to discover or find by careful search, examination, or probing while calculate is (mathematics) to determine the value of something or the solution to something by a mathematical process.

As an adjective detect

is (obsolete) detected.

Consider is a related term of calculate.

As verbs the difference between consider and calculate

is that consider is (label) to think about seriously while calculate is (mathematics) to determine the value of something or the solution to something by a mathematical process.

As a verb calculate

is (mathematics) to determine the value of something or the solution to something by a mathematical process.

As a noun comput is

computus.

Calculate is a related term of hypothesise.

As verbs the difference between calculate and hypothesise

is that calculate is (mathematics) to determine the value of something or the solution to something by a mathematical process while hypothesise is to believe or assert on uncertain grounds.

Calculate is a related term of diagram.

As verbs the difference between calculate and diagram

is that calculate is (mathematics) to determine the value of something or the solution to something by a mathematical process while diagram is to represent or indicate something using a diagram.

As a noun diagram is

a plan, drawing, sketch or outline to show how something works, or show the relationships between the parts of a whole.

As verbs the difference between surmise and calculate

is that surmise is to conjecture, to opine or to posit with contestable premises while calculate is to determine the value of something or the solution to something by a mathematical process.

As a noun surmise

is thought, imagination, or conjecture, which may be based upon feeble or scanty evidence; suspicion; guess.

Appraise is a related term of calculate.

As verbs the difference between appraise and calculate

is that appraise is to set a value; to estimate the worth of, particularly by persons appointed for the purpose; as, to appraise goods and chattels or appraise can be (proscribed) to apprise, inform while calculate is (mathematics) to determine the value of something or the solution to something by a mathematical process.

As verbs the difference between believe and calculate

is that believe is to accept as true, particularly without absolute certainty (i.e., as opposed to knowing while calculate is to determine the value of something or the solution to something by a mathematical process.