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Primitive data types for real numbers: float

Type float
Dimension 32 bit (4 byte)
Domain set of 232 positive and Minimum absolute value 1.4012985 . 10-38
  negative real numbers Maximum absolute value 3.4028235 . 10+38
    Precision $ \sim$ 7 decimal digits
Operations + sum
  - difference
  * product
  / division
Literals sequences of digits with decimal dot ending with an f (or F)
  denoting values of the domain (e.g., 3.14f)
  representation in scientific notation (e.g., 314E-2f)

Example:

float pi, a, b;  // Declaration of variables of type float
pi = 3.14f;      // Use of literals
a = 314E-2F      // Use of literals
a++;             // Use of increment operator (equivalent to: a = a + 1.0d;)


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Next: Reading of numbers of Up: Unit 04 Previous: Primitive data types for