### Cancelling terms in maths expressions

A technique used when explaining the behaviour of expressions or
equations (often for pedagogical purposes). The *cancel*
package provides several variants of cancellation marks
(“`\`

”, “`/`

” and “`X`

”), and
a means of cancelling ‘to’ a particular value.

Documentation of *cancel* is in the package file.

*cancel.sty*- macros/latex/contrib/cancel (or browse the directory); catalogue entry

This question on the Web: http://www.tex.ac.uk/cgi-bin/texfaq2html?label=cancellation