Floating-point unit: Difference between revisions

Revision as of 20:43, 11 January 2021

Revision as of 01:20, 12 January 2021

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== History ==

In 1954, the [[IBM 704]] had floating -point arithmetic as a standard feature, one of its major improvements over its predecessor the [[IBM 701]]. This was carried forward to its successors the 709, 7090, and 7094.

In 1963, Digital announced the [[PDP-6]], which had floating point as a standard feature.<ref>{{cite web |title=PDP-6 Handbook|URL=http://bitsavers.org/pdf/dec/pdp6/F-65_PDP-6_Handbook_Aug64.pdf|website=www.bitsavers.org}}</ref>

In 1963, the [[GE-200 series|GE-235]] featured an "Auxiliary Arithmetic Unit" for floating point and double-precision calculations.<ref>{{cite web |title=GE-2xx documents |url=http://www.bitsavers.org/pdf/ge/GE-2xx/ |website=www.bitsavers.org|at=[http://www.bitsavers.org/pdf/ge/GE-2xx/CPB-267_GE-235-SystemManual_1963.pdf CPB-267_GE-235-SystemManual_1963.pdf], p. IV-4}}</ref>