About: Decimal64 floating-point format

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In computing, decimal64 is a decimal floating-point computer numbering format that occupies 8 bytes (64 bits) in computer memory.It is intended for applications where it is necessary to emulate decimal rounding exactly, such as financial and tax computations. Decimal64 floating point is a relatively new decimal floating-point format, formally introduced in the 2008 version of IEEE 754 as well as with ISO/IEC/IEEE 60559:2011.

Attributes	Values
rdf:type	information appliance
rdfs:label	Decimal64 floating-point format (en)
rdfs:comment	In computing, decimal64 is a decimal floating-point computer numbering format that occupies 8 bytes (64 bits) in computer memory.It is intended for applications where it is necessary to emulate decimal rounding exactly, such as financial and tax computations. Decimal64 floating point is a relatively new decimal floating-point format, formally introduced in the 2008 version of IEEE 754 as well as with ISO/IEC/IEEE 60559:2011. (en)
dcterms:subject	Data types Floating point types Computer arithmetic
Wikipage page ID	23558700 (xsd:integer)
Wikipage revision ID	1061111103 (xsd:integer)
Link from a Wikipage to another Wikipage	Declet (computing) NaN Significant digits Computing Densely packed decimal Decimal floating-point Data types Floating point types Binary64 Primitive data type Computer arithmetic Binary integer decimal Don't care Infinity IEEE 754 IEEE 754-2008 ISO/IEC 10967 Signed zero Significand dbr:Dec64 Decimal digit ISO/IEC/IEEE 60559:2011 Computer numbering format Exponent Subnormal numbers
sameAs	Decimal64 floating-point format Decimal64 floating-point format Decimal64 floating-point format
dbp:wikiPageUsesTemplate	dbt:= dbt:Gaps dbt:Math dbt:Mono dbt:Reflist dbt:Sdash dbt:Use_dmy_dates dbt:Val dbt:Lowercase dbt:Floating-point dbt:Densely_packed_decimal
cs1-dates	y (en)
date	July 2020 (en)
has abstract	In computing, decimal64 is a decimal floating-point computer numbering format that occupies 8 bytes (64 bits) in computer memory.It is intended for applications where it is necessary to emulate decimal rounding exactly, such as financial and tax computations. Decimal64 supports 16 decimal digits of significand and an exponent range of −383 to +384, i.e. ±0.000000000000000×10−383 to ±9.999999999999999×10384. (Equivalently, ±0000000000000000×10−398 to ±9999999999999999×10369.) In contrast, the corresponding binary format, which is the most commonly used type, has an approximate range of ±0.000000000000001×10−308 to ±1.797693134862315×10308. Because the significand is not normalized, most values with less than 16 significant digits have multiple possible representations; 1 × 102=0.1 × 103=0.01 × 104, etc. Zero has 768 possible representations (1536 if both signed zeros are included). Decimal64 floating point is a relatively new decimal floating-point format, formally introduced in the 2008 version of IEEE 754 as well as with ISO/IEC/IEEE 60559:2011. (en)
gold:hypernym	Computer
prov:wasDerivedFrom	wikipedia-en:Decimal64_floating-point_format?oldid=1061111103&ns=0
page length (characters) of wiki page	12033 (xsd:nonNegativeInteger)
foaf:isPrimaryTopicOf	wikipedia-en:Decimal64_floating-point_format
is Link from a Wikipage to another Wikipage of	Decimal data type Decimal floating point Densely packed decimal Floating-point arithmetic Machine epsilon Googolplex IEEE 754 Decimal64
is Wikipage redirect of	Decimal64
is foaf:primaryTopic of	wikipedia-en:Decimal64_floating-point_format

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