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In computing, decimal64 is a decimal floating-point computer numbering format that occupies 8 bytes (64 bits) in computer memory.
Decimal64 floating point is a relatively new decimal floating-point format, formally introduced in the 2008 version of IEEE 754.
See also
- IEEE Standard for Floating-Point Arithmetic (IEEE 754)
- ISO/IEC 10967, Language Independent Arithmetic
- Primitive data type