About: IBM hexadecimal floating-point

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Hexadecimal floating point (now called HFP by IBM) is a format for encoding floating-point numbers first introduced on the IBM System/360 computers, and supported on subsequent machines based on that architecture, as well as machines which were intended to be application-compatible with System/360. In comparison to IEEE 754 floating point, the HFP format has a longer significand, and a shorter exponent. All HFP formats have 7 bits of exponent with a bias of 64. The normalized range of representable numbers is from 16−65 to 1663 (approx. 5.39761 × 10−79 to 7.237005 × 1075).

Attributes	Values
rdfs:label	IBM hexadecimal floating-point (en)
rdfs:comment	Hexadecimal floating point (now called HFP by IBM) is a format for encoding floating-point numbers first introduced on the IBM System/360 computers, and supported on subsequent machines based on that architecture, as well as machines which were intended to be application-compatible with System/360. In comparison to IEEE 754 floating point, the HFP format has a longer significand, and a shorter exponent. All HFP formats have 7 bits of exponent with a bias of 64. The normalized range of representable numbers is from 16−65 to 1663 (approx. 5.39761 × 10−79 to 7.237005 × 1075). (en)
dcterms:subject	IBM System/360 mainframe line Floating point Floating point types Computer arithmetic
Wikipage page ID	537969 (xsd:integer)
Wikipage revision ID	1094332966 (xsd:integer)
Link from a Wikipage to another Wikipage	English Electric System 4 Interdata S/390 Single-precision floating-point format GDSII GNU Lesser General Public License Millicode Siemens RCA Spectra 70 IBM System/360 mainframe line Data General GEC 4000 series GRIB Floating point Floating point types Exponentiation Floating-point arithmetic Food and Drug Administration Computer arithmetic Hexadecimal IBM IBM System/360 IBM System z10 IBM System z9 Open Artwork System Interchange Standard Microsoft Binary Format SDS Sigma series Single precision Exponent bias IBM Journal of Research and Development IBM z13 (microprocessor) ICL 2900 Series IEEE 754 IEEE Annals of the History of Computing SEG Y Significand IBM Systems Journal Double precision Quadruple precision floating-point format
Link from a Wikipage to an external page	http://discover.lib.umn.edu/cgi/f/findaid/findaid-idx%3Fc=umfa;cc=umfa;rgn=main;view=text;didno=cbi00021
sameAs	IBM hexadecimal floating-point IBM hexadecimal floating-point IBM hexadecimal floating-point
dbp:wikiPageUsesTemplate	dbt:Cite_journal dbt:Mono dbt:Reflist dbt:Short_description dbt:Floating-point
has abstract	Hexadecimal floating point (now called HFP by IBM) is a format for encoding floating-point numbers first introduced on the IBM System/360 computers, and supported on subsequent machines based on that architecture, as well as machines which were intended to be application-compatible with System/360. In comparison to IEEE 754 floating point, the HFP format has a longer significand, and a shorter exponent. All HFP formats have 7 bits of exponent with a bias of 64. The normalized range of representable numbers is from 16−65 to 1663 (approx. 5.39761 × 10−79 to 7.237005 × 1075). The number is represented as the following formula: (−1)sign × 0.significand × 16exponent−64. (en)
prov:wasDerivedFrom	wikipedia-en:IBM_hexadecimal_floating-point?oldid=1094332966&ns=0
page length (characters) of wiki page	20759 (xsd:nonNegativeInteger)
foaf:isPrimaryTopicOf	wikipedia-en:IBM_hexadecimal_floating-point
is Link from a Wikipage to another Wikipage of	0 Distributed Data Management Architecture GEC 4000 series Extended precision FLOPS Floating-point arithmetic Quadruple-precision floating-point format Hexadecimal IBM Floating Point Architecture IBM Floating Point Standard IBM Hexadecimal Floating Point IBM floating-point architecture IBM floating point architecture IBM 9370 IBM System/360 IBM System/360 architecture IBM System/370 IBM hexadecimal floating point Hex file Hexadecimal floating point (IBM) Sign bit
is Wikipage redirect of	IBM Floating Point Architecture IBM Floating Point Standard IBM Hexadecimal Floating Point IBM floating-point architecture IBM floating point architecture IBM hexadecimal floating point Hexadecimal floating point (IBM)
is foaf:primaryTopic of	wikipedia-en:IBM_hexadecimal_floating-point

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