(mathematical analysis) A sequence in which each term except the first is obtained from the previous by adding a constant value, known as the common difference of the arithmetic progression.

(statistics, probability) The measure of central tendency of a set of values computed by dividing the sum of the values by their number; commonly called the mean or the average.

(mathematical analysis) The sum of the terms in an arithmetic progression.

(arithmetic) A device and technique described in Napier's treatise Rabdologiæ for performing multiplication, division and extraction of square roots by using counters to represent numbers in binary.

(arithmetic) Arithmetic using decimal numbers.

(arithmetic) arithmetic using binary numbers

(mathematical analysis, computing) A model for self-validated numerical analysis in which quantities are represented as affine combinations (called affine forms) of certain primitive variables that stand for sources of uncertainty in data or approximations made during computations.

(now archaic or historical) The demographic statistics of a country or state.

(geography, statistics) The population density measured as the number of people per unit area of land

(archaic) algebra