arithmetic - the branch of pure mathematics dealing with the theory of numerical calculations

compute, calculate, cipher, cypher, figure, reckon, work out - make a mathematical calculation or computation

square - raise to the second power

cube - raise to the third power

raise - multiply (a number) by itself a specified number of times: 8 is 2 raised to the power 3

increase - make bigger or more; "The boss finally increased her salary"; "The university increased the number of students it admitted"

double, duplicate - increase twofold; "The population doubled within 50 years"

triple, treble - increase threefold; "Triple your income!"

quadruple - increase fourfold; "His stock earning quadrupled"

quintuple - increase fivefold; "The population of China quintupled"

proliferate - cause to grow or increase rapidly; "We must not proliferate nuclear arms"

procreate, reproduce, multiply - have offspring or young; "The deer in our neighborhood reproduce madly"; "The Catholic Church tells people to procreate, no matter what their economic situation may be"

pullulate - breed freely and abundantly

propagate - multiply sexually or asexually

fructify, set - bear fruit; "the apple trees fructify"

multiply, breed - have young (animals); "pandas rarely breed in captivity"

incubate, hatch, brood, cover - sit on (eggs); "Birds brood"; "The female covers the eggs"

create, make - make or cause to be or to become; "make a mess in one's office"; "create a furor"