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

FilledSmallSquare Example: Cancel[(x^2-1)/(x-1)] LongRightArrow.

FilledSmallSquareCancel is Listable.

FilledSmallSquareCancel cancels out the greatest common divisor of the numerator and denominator.

FilledSmallSquareCancel[expr, Modulus->p] generates a result modulo p.

FilledSmallSquareCancel[expr, Extension->Automatic] allows operations to be performed on algebraic numbers in expr.

FilledSmallSquareCancel[expr, Trig -> True] treats trigonometric functions as rational functions of exponentials, and manipulates them accordingly.

FilledSmallSquare See The Mathematica Book: Section 1.4.5 and Section 3.3.3.

FilledSmallSquare See also: Apart, GCD.

Further Examples