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Numeric and Mathematical Modules
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The modules described in this chapter provide numeric and math-related functions
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and data types. The :mod:`numbers` module defines an abstract hierarchy of
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numeric types. The :mod:`math` and :mod:`cmath` modules contain various
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mathematical functions for floating-point and complex numbers. For users more
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interested in decimal accuracy than in speed, the :mod:`decimal` module supports
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exact representations of decimal numbers.
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The following modules are documented in this chapter: