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4.10.3 Commands and Functions for Rational Functions

The following are commands and functions for rational functions:
BringIn

bring in objects from another ring

Den

denominator

Der

the derivative of a rational function

Fraction

returns the quotient of its arguments

Inverse

multiplicative inverse

IsZero

test whether an object is zero

Len

the length of an object

Num

numerator

Product

the product of the elements of a list

Size

the amount of memory used by an object

Subst

substitute values for indeterminates

Sum

the sum of the elements of a list

For details look up each item by name. Online, try
?ItemName or
H.Syntax("ItemName").