A method of automatic calculation of several integer divisions by a same integer divider, of several successive integer dividends, separated from one another by a constant iteration step, smaller than or equal to the divider, including selecting, from a table of increments, according to an iteration index, a 0 or a 1 to be added to the operation result of the preceding iteration, the number of 0s in the table of increments being equal to the divider minus 1.