111
edits
Changes
Correcting error inserted by vandal four years ago.
:If <math>x</math> is a positive number, then <math>|x| = x</math>.
:If <math>x</math> is a positive number, then <math>|x| = x</math>.
:If <math>x</math> is a negative number, then <math>|x| = x</math>.
:If <math>x</math> is a negative number, then <math>|x| = -x</math>.
:If <math>x=0</math> then <math>|x| = 0</math>.
:If <math>x=0</math> then <math>|x| = 0</math>.