decimal — Decimal fixed-point and floating-point arithmetic — …
2 days ago · Source code: Lib/decimal.py The decimal module provides support for fast correctly rounded decimal floating-point arithmetic. It offers several advantages over the float datatype: Decimal “is based...
15. Floating-Point Arithmetic: Issues and Limitations - Python
3 days ago · For use cases which require exact decimal representation, try using the decimal module which implements decimal arithmetic suitable for accounting applications and high-precision applications.
fractions — Rational numbers — Python 3.13.3 documentation
3 days ago · From Python 3.2 onwards, you can also construct a Fraction instance directly from a decimal.Decimal instance. limit_denominator ( max_denominator = 1000000 ) ¶ Finds and returns the closest Fraction to self that has denominator at most max_denominator.
Numeric and Mathematical Modules — Python 3.13.3 …
3 days ago · The decimal module supports exact representations of decimal numbers, using arbitrary precision arithmetic. The following modules are documented in this chapter: numbers — Numeric abstract base classes
Built-in Types — Python 3.13.3 documentation
2 days ago · Return True if all characters in the string are decimal characters and there is at least one character, False otherwise. Decimal characters are those that can be used to form numbers in base 10, e.g. U+0660, ARABIC-INDIC DIGIT ZERO. Formally a decimal character is a character in the Unicode General Category “Nd”. str. isdigit ¶
What’s New in Python 2.4 — Python 3.13.3 documentation
Mar 30, 2005 · A description of a decimal-based representation. This representation is being proposed as a standard, and underlies the new Python decimal type. Much of this material was written by Mike Cowlishaw, designer of the Rexx language.
colorsys — Conversions between color systems — Python 3.13.3 …
3 days ago · The colorsys module defines bidirectional conversions of color values between colors expressed in the RGB (Red Green Blue) color space used in computer monitors and three other coordinate systems: YIQ, HLS (Hue Lightness Saturation) and HSV (Hue Saturation Value). Coordinates in all of these color spaces are floating-point values. In the YIQ space, the Y coordinate is between 0 and 1, but the ...
time — Time access and conversions — Python 3.13.3 …
Time zone offset indicating a positive or negative time difference from UTC/GMT of the form +HHMM or -HHMM, where H represents decimal hour digits and M represents decimal minute digits [-23:59, +23:59].
locale — Internationalization services — Python 3.13.3 …
1 day ago · Formats a floating-point number using the same format as the built-in function str(float), but takes the decimal point into account. locale. delocalize ( string ) ¶ Converts a string into a normalized number string, following the LC_NUMERIC settings.
json — JSON encoder and decoder — Python 3.13.3 documentation
2 days ago · This can be used to parse JSON floats into custom datatypes, for example decimal.Decimal. parse_int (callable | None) – If set, a function that is called with the string of every JSON int to be decoded. If None (the default), it is equivalent to int(num_str). This can be used to parse JSON integers into custom datatypes, for example float.