About: Decimal128 floating-point format

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In computing, decimal128 is a decimal floating-point computer numbering format that occupies 16 bytes (128 bits) in computer memory. It is intended for applications where it is necessary to emulate decimal rounding exactly, such as financial and tax computations. Decimal128 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.

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rdf:type	information appliance
rdfs:label	Decimal128 floating-point format (en)
rdfs:comment	In computing, decimal128 is a decimal floating-point computer numbering format that occupies 16 bytes (128 bits) in computer memory. It is intended for applications where it is necessary to emulate decimal rounding exactly, such as financial and tax computations. Decimal128 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)
sameAs	Decimal128 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:Pre dbt:Floating-point dbt:Densely_packed_decimal
Subject	Computer arithmetic Data types Floating point types
gold:hypernym	Computer
prov:wasDerivedFrom	http://en.wikipedia.org/wiki/Decimal128_floating-point_format?oldid=1061111076&ns=0
Wikipage page ID	23558705 (xsd:integer)
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Wikipage revision ID	1061111076 (xsd:integer)
Link from a Wikipage to another Wikipage	NaN Numerical digit Binary integer decimal Units of information Computer arithmetic Data types Don't-care term Decimal32 floating-point format Decimal64 floating-point format Decimal floating point Densely packed decimal Primitive data type Computer number format Computing IEEE 754 IEEE 754-2008 revision ISO/IEC 10967 Exponentiation Infinity Subnormal number Signed zero Significand Significant figures Floating point types
has abstract	In computing, decimal128 is a decimal floating-point computer numbering format that occupies 16 bytes (128 bits) in computer memory. It is intended for applications where it is necessary to emulate decimal rounding exactly, such as financial and tax computations. Decimal128 supports 34 decimal digits of significand and an exponent range of −6143 to +6144, i.e. ±0.000000000000000000000000000000000×10−6143 to ±9.999999999999999999999999999999999×106144. (Equivalently, ±0000000000000000000000000000000000×10−6176 to ±9999999999999999999999999999999999×106111.) Therefore, decimal128 has the greatest range of values compared with other IEEE basic floating point formats. Because the significand is not normalized, most values with less than 34 significant digits have multiple possible representations; 1 × 102=0.1 × 103=0.01 × 104, etc. Zero has 12288 possible representations (24576 if both signed zeros are included). Decimal128 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)
foaf:isPrimaryTopicOf	http://en.wikipedia.org/wiki/Decimal128_floating-point_format
is Wikipage redirect of	Decimal128
is Link from a Wikipage to another Wikipage of	Floating-point arithmetic Machine epsilon 128-bit computing BSON Decimal data type Decimal floating point Densely packed decimal Comparison of C Sharp and Java IEEE 754 HP-42S Decimal128
is foaf:primaryTopic of	http://en.wikipedia.org/wiki/Decimal128_floating-point_format

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