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v. 弄直卷着东西;使变直

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  • Fixed-point arithmetic - Wikipedia
    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 scaling factor of 1 1000 (meaning that the last 3 decimal digits are implicitly assumed to be a decimal fraction), and the value 1 230 000 can be represented
  • Fraction - Wikipedia
    A decimal fraction is a fraction whose denominator is an integer power of ten, commonly expressed using decimal notation, in which the denominator is not given explicitly but is implied by the number of digits to the right of a decimal separator
  • Decimal floating point - Wikipedia
    Decimal floating-point (DFP) arithmetic refers to both a representation and operations on decimal floating-point numbers Working directly with decimal (base-10) fractions can avoid the rounding errors that otherwise typically occur when converting between decimal fractions (common in human-entered data, such as measurements or financial
  • Decimal - Wikipedia
    Decimal fractions (sometimes called decimal numbers, especially in contexts involving explicit fractions) are the rational numbers that may be expressed as a fraction whose denominator is a power of ten [8] For example, the decimal expressions represent the fractions ⁠ 8 10 ⁠, ⁠ 1489 100 ⁠, ⁠ 79 100000 ⁠, ⁠ 1618 1000 ⁠ and ⁠ 314159 100000 ⁠, and therefore denote decimal
  • File:Decimal-fraction equivalents--v0006. svg - Wikipedia
    This file contains additional information, probably added from the digital camera or scanner used to create or digitize it If the file has been modified from its original state, some details may not fully reflect the modified file
  • Positional notation - Wikipedia
    The use of a radix point (decimal point in base ten), extends to include fractions and allows the representation of any real number with arbitrary accuracy With positional notation, arithmetical computations are much simpler than with any older numeral system; this led to the rapid spread of the notation when it was introduced in western Europe
  • List of types of numbers - Wikipedia
    These include improper fractions as well as mixed numbers Continued fraction: An expression obtained through an iterative process of representing a number as the sum of its integer part and the reciprocal of another number, then writing this other number as the sum of its integer part and another reciprocal, and so on
  • Duodecimal - Wikipedia
    For example, the number 8 is a factor of 10 3 (1000), so and other fractions with a denominator of 8 cannot require more than three fractional decimal digits to terminate





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