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Double data type

A fundamental data type that holds double-precision floating-point numbers in IEEE format. A Double variable is stored as a 64-bit (8-byte) number ranging in value from 1.79769313486231E308 to 4.94065645841247E324 for negative values, from 4.94065645841247E324 to 1.79769313486231E308 for positive values, and 0. The type-declaration character is # (ANSI character 35).

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