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    Fixed-point arithmetic - Wikipedia

    https://en.wikipedia.org/wiki/Fixed-point_arithmetic

    In computing, fixed-point is a method of representing fractional (non-integer) numbers by storing a fixed number of digits of their fractional part. Dollar amounts, for example, are often stored with exactly two fractional digits, representing the cents (1/100 of dollar). More generally, the term may refer to … See more

    Representation

    A fixed-point representation of a fractional number is essentially an integer that is to be implicitly multiplied by a fixed scaling factor. For example, the value 1.23 can be stored in a variable as the integer value 1230 with implicit … See more

    Operations

    Addition and subtraction
    To add or subtract two values with the same implicit scaling factor, it is sufficient to add or subtract … See more

    Computer language support

    Explicit support for fixed-point numbers is provided by a few computer languages, notably PL/I, COBOL, Ada, JOVIAL, and Coral 66. They provide fixed-point data types, with a binary or decimal scaling factor. The compiler automatically generates code to … See more

    Applications

    A common use of decimal fixed-point is for storing monetary values, for which the complicated rounding rules of floating-point numbers are often a liability. For example, the open source money management application GnuCash, written in C, switched from … See more

    Hardware support

    Scaling and renormalization
    Typical processors do not have specific support for fixed-point arithmetic. However, most … See more

    Detailed examples

    Decimal fixed point multiplication
    Suppose there is the following multiplication with 2 fixed point 3 decimal place numbers. See more

    Notations

    Various notations have been used to concisely specify the parameters of a fixed-point format. In the following list, f represents the number of fractional bits, m the number of magnitude or integer bits, s the number of sign bits, and b the total number of bits. See more

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  2. Fixed point (mathematics) - Wikipedia

    https://en.wikipedia.org/wiki/Fixed_point_(mathematics)

    A fixed point (sometimes shortened to fixpoint, also known as an invariant point) is a value that does not change under a given transformation. Specifically, in mathematics, a fixed point of a function is an element that is mapped to itself by the function.
    In physics, the term fixed point can refer to a temperature that can be used as …

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    • Talk:Fixed-point arithmetic - Wikipedia

      https://en.wikipedia.org/wiki/Talk:Fixed-point_arithmetic

      "Binary Fixed Point Arithmetic" is a sub-set of the more general topic of fixed point numeric representation. It deals with the arithmetic operators (+, -, *, /) and their specific properties …

    • Fixed-point theorems - Wikipedia

      https://en.wikipedia.org/wiki/Fixed-point_theorems

      Fixed-point theorems In mathematics, a fixed-point theorem is a result saying that a function F will have at least one fixed point (a point x for which F ( x) = x ), under some conditions on F …

      • Estimated Reading Time: 7 mins

      • Fixed point - Wikipedia

        https://en.wikipedia.org/wiki/Fixed_Point

        Fixed point may refer to: Fixed point (mathematics), a value that does not change under a given transformation; Fixed-point arithmetic, a manner of doing arithmetic on computers; …

      • Fixed-point arithmetic - Wikipedia

        https://wiki.alquds.edu/?query=Fixed-point_arithmetic

        Jul 18, 2022 · In computing, fixed-point refers to a method of representing fractional (non-integer) numbers by storing a fixed number of digits of their fractional part. Dollar amounts, for …

      • Fixed-point arithmetic - Wikipedia, the free encyclopedia - Zubiaga

        taggedwiki.zubiaga.org/new_content/c387e786fdc8cc9bb72c5d25986f44f5

        A fixed-point number is essentially an integer that is scaled by a certain factor. For example, the real number 1.23 can be seen as 123/100; here, the scaling factor is 100. It is important to note …

      • Fixed-point arithmetic - Wikipedia @ WordDisk

        https://worddisk.com/wiki/Fixed-point_arithmetic

        In computing, fixed-point refers to a method of representing fractional (non-integer) numbers by storing a fixed number of digits of their fractional part. Dollar amounts, for example, are often …

      • Fixed-point arithmetic - Wikipedia

        https://static.hlt.bme.hu/semantics/external/pages/digitális--analóg_átalakító/en...

        Dec 19, 2018 · 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 …

      • Floating-point arithmetic - Wikipedia

        https://en.wikipedia.org/wiki/Floating-point_arithmetic

        In computing, floating-point arithmetic ( FP) is arithmetic that represents real numbers approximately, using an integer with a fixed precision, called the significand, scaled by an …

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