| fixed-point arithmetic [¦fikst ´pȯint ǝ`rith·mǝ·tik] COMPUTER SCIENCE 1. A method of calculation in which the computer does not consider the location of the decimal or radix point because the point is given a fixed position. 2. A type of arithmetic in which the operands and results of all arithmetic operations must be properly scaled so as to have a magnitude between certain fixed values. |