IEEE Std 854-1987, the Standard for Radix-Independent Floating-Point Arithmetic, was the first Institute of Electrical and Electronics Engineers (IEEE) standard for floating-point arithmetic with radix 2 or radix 10 (not more general than that, despite the title).
The standard was published in 1987, nearly immediately superseded by IEEE 754-1985 but never terminated (the year of ratification appears after the dash). IEEE 854 did not specify any formats, whereas IEEE 754-1985 did. IEEE 754 specifies floating-point arithmetic for both radix 2 (binary) and radix 10 (decimal), including specifying two alternative formats for radix 10 floating-point values. IEEE 754-1985 was only superseded in 2008 by IEEE 754-2008. IEEE 754-2008 also has many other updates to the IEEE floating point standardisation.
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- "IEEE 754: Standard for Binary Floating-Point Arithmetic". Working group web site. Retrieved 21 September 2011.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>