Singular Manual: number related functions

| ### 4.14.4 number related functions `cleardenom` cancellation of denominators of numbers in polyomial and divide it by its content (see cleardenom) `impart` imaginary part of a complex number, 0 otherwise (see impart, repart) `numerator, denominator` the numerator/denominator of a rational number (see numerator, denominator) `leadcoef` coefficient of the leading term (see leadcoef) `par` n-th parameter of the basering (see par) `pardeg` degree of a number in ring parameters (see pardeg) `parstr` string form of ring parameters (see parstr) `repart` real part of a complex number (see impart, repart)

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