.. _arduino-sqrt:

sqrt(x)
=======

Description
-----------

Calculates the square root of a number.



Parameters
----------

x: the number, any data type



Returns
-------

double, the number's square root.



See also
--------


-  `pow <http://arduino.cc/en/Reference/Pow>`_\ ()
-  `sq <http://arduino.cc/en/Reference/Sq>`_\ ()