37 relations: ARM architecture, C99, Common Lisp, Computer number format, CUDA, Denormal number, Dynamic range, ECMAScript, Exponent bias, Exponentiation, Fixed-point arithmetic, Floating-point arithmetic, Fortran, GW-BASIC, IEEE 754, IEEE 754 revision, IEEE 754-1985, Infinity, JavaScript, List of computer hardware manufacturers, Machine epsilon, Microsoft Binary Format, NaN, Normal number (computing), Nvidia, Offset binary, PA-RISC, Programming language, Sign bit, Signed zero, Significand, Significant figures, Single-precision floating-point format, SSE2, Standardization, Two's complement, X86.

## ARM architecture

ARM, previously Advanced RISC Machine, originally Acorn RISC Machine, is a family of reduced instruction set computing (RISC) architectures for computer processors, configured for various environments.

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## C99

C99 (previously known as C9X) is an informal name for ISO/IEC 9899:1999, a past version of the C programming language standard.

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## Common Lisp

Common Lisp (CL) is a dialect of the Lisp programming language, published in ANSI standard document ANSI INCITS 226-1994 (R2004) (formerly X3.226-1994 (R1999)).

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## Computer number format

A computer number format is the internal representation of numeric values in digital computer and calculator hardware and software.

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## CUDA

CUDA is a parallel computing platform and application programming interface (API) model created by Nvidia.

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## Denormal number

In computer science, denormal numbers or denormalized numbers (now often called subnormal numbers) fill the underflow gap around zero in floating-point arithmetic.

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## Dynamic range

Dynamic range, abbreviated DR, DNR, or DYR is the ratio between the largest and smallest values that a certain quantity can assume.

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## ECMAScript

ECMAScript (or ES) is a trademarked scripting-language specification standardized by Ecma International in ECMA-262 and ISO/IEC 16262.

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## Exponent bias

In IEEE 754 floating point numbers, the exponent is biased in the engineering sense of the word – the value stored is offset from the actual value by the exponent bias.

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## Exponentiation

Exponentiation is a mathematical operation, written as, involving two numbers, the base and the exponent.

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## Fixed-point arithmetic

In computing, a fixed-point number representation is a real data type for a number that has a fixed number of digits after (and sometimes also before) the radix point (after the decimal point '.' in English decimal notation).

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## Floating-point arithmetic

In computing, floating-point arithmetic is arithmetic using formulaic representation of real numbers as an approximation so as to support a trade-off between range and precision.

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## Fortran

Fortran (formerly FORTRAN, derived from Formula Translation) is a general-purpose, compiled imperative programming language that is especially suited to numeric computation and scientific computing.

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## GW-BASIC

GW-BASIC is a dialect of the BASIC programming language developed by Microsoft from BASICA, originally for Compaq.

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## IEEE 754

The IEEE Standard for Floating-Point Arithmetic (IEEE 754) is a technical standard for floating-point computation established in 1985 by the Institute of Electrical and Electronics Engineers (IEEE).

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## IEEE 754 revision

IEEE 754-2008 (previously known as IEEE 754r) was published in August 2008 and is a significant revision to, and replaces, the IEEE 754-1985 floating point standard.

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## IEEE 754-1985

IEEE 754-1985 was an industry standard for representing floating-point numbers in computers, officially adopted in 1985 and superseded in 2008 by IEEE 754-2008.

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## Infinity

Infinity (symbol) is a concept describing something without any bound or larger than any natural number.

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## JavaScript

JavaScript, often abbreviated as JS, is a high-level, interpreted programming language.

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## List of computer hardware manufacturers

Below is a list of notable computer hardware manufacturers.

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## Machine epsilon

Machine epsilon gives an upper bound on the relative error due to rounding in floating point arithmetic.

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## Microsoft Binary Format

In computing, Microsoft Binary Format (MBF) was a format for floating-point numbers used in Microsoft's BASIC language products, including MBASIC, GW-BASIC and QuickBasic prior to version 4.00.

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## NaN

In computing, NaN, standing for not a number, is a numeric data type value representing an undefined or unrepresentable value, especially in floating-point calculations.

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## Normal number (computing)

In computing, a normal number is a non-zero number in a floating-point representation which is within the balanced range supported by a given floating-point format: it is a floating point number that can be represented without leading zeros in its significand.

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## Nvidia

Nvidia Corporation (most commonly referred to as Nvidia, stylized as NVIDIA, or (due to their logo) nVIDIA) is an American technology company incorporated in Delaware and based in Santa Clara, California.

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## Offset binary

Offset binary, also referred to as excess-K, excess-N, excess code or biased representation, is a digital coding scheme where all-zero corresponds to the minimal negative value and all-one to the maximal positive value.

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## PA-RISC

PA-RISC is an instruction set architecture (ISA) developed by Hewlett-Packard.

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## Programming language

A programming language is a formal language that specifies a set of instructions that can be used to produce various kinds of output.

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## Sign bit

In computer science, the sign bit is a bit in a signed number representation that indicates the sign of a number.

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## Signed zero

Signed zero is zero with an associated sign.

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## Significand

The significand (also mantissa or coefficient) is part of a number in scientific notation or a floating-point number, consisting of its significant digits.

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## Significant figures

The significant figures (also known as the significant digits) of a number are digits that carry meaning contributing to its measurement resolution.

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## Single-precision floating-point format

Single-precision floating-point format is a computer number format, usually occupying 32 bits in computer memory; it represents a wide dynamic range of numeric values by using a floating radix point.

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## SSE2

SSE2 (Streaming SIMD Extensions 2) is one of the Intel SIMD (Single Instruction, Multiple Data) processor supplementary instruction sets first introduced by Intel with the initial version of the Pentium 4 in 2000.

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## Standardization

Standardization or standardisation is the process of implementing and developing technical standards based on the consensus of different parties that include firms, users, interest groups, standards organizations and governments Standardization can help to maximize compatibility, interoperability, safety, repeatability, or quality.

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## Two's complement

Two's complement is a mathematical operation on binary numbers, best known for its role in computing as a method of signed number representation.

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## X86

x86 is a family of backward-compatible instruction set architectures based on the Intel 8086 CPU and its Intel 8088 variant.

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## Redirects here:

64-bit floating point, 64-bit floating point format, 64-bit floating-point, 64-bit floating-point format, Binary64, Double (type), Double Precision, Double float, Double precision, Double precision float, Double precision floating point, Double precision floating-point format, Double-precision, Double-precision floating point, Double-precision floating-point, Dual-precision floating point, FP64, Float64, Float8, Real*8.

## References

[1] https://en.wikipedia.org/wiki/Double-precision_floating-point_format