Legacy Documentation

Mathematica® Teacher's Edition (2002)

This is documentation for an obsolete product.
Current products and services
 Documentation /  Mathematica Teacher's Edition /  Built-in Functions /  Algebraic Computation /  Formula Manipulation /

Cancel

FilledSmallSquare Cancel[expr] cancels out common factors in the numerator and denominator of expr.

FilledSmallSquare Example: Cancel[(x^2-1)/(x-1)]LongRightArrow.
FilledSmallSquare Cancel cancels out the greatest common divisor of the numerator and denominator.
FilledSmallSquare Cancel[expr, Modulus->p] generates a result modulo p.
FilledSmallSquare Cancel[expr, Extension->Automatic] allows operations to be performed on algebraic numbers in expr.
FilledSmallSquare See The Mathematica Book on the web: Section 1.4.5 and Section 3.3.3.
FilledSmallSquare See also: Apart, GCD.