plural of factorialization

(chiefly Scotland, now rare) The position or state of being a factor. / (now historical) A trading establishment, especially set up by merchants working in a foreign country.

(colloquial, of a configuration, part, etc.) Having come from the factory in the state it is currently in; original, stock.

plural of factory

(mathematics) A prime number that is one more or one less than a factorial. For example, 7 is a factorial prime, since 3! + 1 = 7.

An experiment in which all combinations of multiple parameters or variables are each tested

(statistics) A tabular presentation of data used to show the influence of two independent categorical variables on a dependent variable.

plural of factorial table

plural of double factorial

(mathematics, combinatorics) For an odd integer, the result of multiplying all the odd integers from 1 to the given number; or for an even integer, the result of multiplying all the even integers from 2 to the given number; symbolised by a double exclamation mark (!!). For example, 9!! = 1 × 3 × 5 × 7 × 9 = 945.