a high speed division method and apparatus that does not require the use of dividers are provided . the method and apparatus utilize a binary shift - add technique to simplify a divisional computation process and to enable computational error to be contained in a predetermined range , and to obtain a higher computing speed . the apparatus includes a divisor left - shift apparatus for inputting a divisor and to left - shift the divisor , a dividend left - shift apparatus for inputting a dividend and to left - shift the dividend , a left - shift controller for controlling the left - shift motion of the divisor , a quotient right - shift apparatus for inputting the indexes from a division table and then right - shift the quotient . the apparatus utilizes left - shift or right - shift to achieve a multiplication or division by 2 .