What is real constant?

• 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.

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