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4.11.4 number related functions
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cleardenom cancel denominators of numbers in poly and divide it by its content (see cleardenom)
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impart imaginary part of a complex number, 0 otherwise (see impart, repart)
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numerator, denominator return the numerator/denominator of a rational number (see numerator, denominator)
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leadcoef coefficient of the leading term (see leadcoef)
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par n-th parameter of the basering (see par)
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pardeg degree of a number in ring parameters (see pardeg)
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parstr string form of ring parameters (see parstr)
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repart