
Square of a number
Concept history
A revision trail for this concept page.
Revision 735
7/30/2026, 12:02:43 PM · Ancient Tree
Concept created
Recorded titleSquare of a number
Recorded typeDefinition
The square of a number $a$, denoted as $a^2$, is this number multiplied by itself:
$$a^{2}=a\times a.$$