the meaning of integers An integer is a number that has no fractional part, and no digits after the decimal point. An integer can be positive, negative or zero. (Compare this to real numbers than canhave digits after the point and can have fractional parts)Example integers: 12 , 34 , -4 , 0The following are real numbers and are not integers:1.23 (cannot have decimal places)12½ (cannot have a fractional part).
