- Real constant are the numbers that contain decimal points such as 0.7, 15.5 and that may be positive or negative numbers.
- For example:
- 205.55, -55.23
- Real constant may be either single precision or double precision numbers.
- Single precision numeric constant stores six digits of precision and printed up to seven digits.
- Double precision numeric constant are stored with 17 digits of precision and printed with up to 16 digits.