1# PerfectSquare
2
3- `v::perfectSquare()`
4
5Validates a perfect square.
6
7```php
8v::perfectSquare()->validate(25); // true (5*5)
9v::perfectSquare()->validate(9); // true (3*3)
10```
11
12***
13See also:
14
15 * [Factor](Factor.md)
16 * [PrimeNumber](PrimeNumber.md)
17