is a specific kind of: reason.

is a broader term that covers: quantise, quantize | extract | process | prorate | miscalculate, misestimate | recalculate | average, average out | factor, factor in, factor out | add, add together | deduct, subtract, take off | multiply | divide, fraction | extrapolate, interpolate | differentiate | integrate | survey | approximate, estimate, gauge, guess, judge | budget | capitalise, capitalize | resolve, solve ... show more.

verb group: work out.

domain category: math, mathematics, maths.

see also: figure out, lick, puzzle out, solve, work, work out | bank, bet, calculate, count, depend, look, reckon, rely, swear.

derivation: calculation, computation, computing | calculating machine, calculator | computer, computing device, computing machine, data processor, electronic computer, information processing system | figure, number | calculation, computation, figuring, reckoning | calculus, infinitesimal calculus | calculator, computer, estimator, figurer, reckoner | figure | 0, cipher, cypher, nought, zero | calculable.