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+.. _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>`_\ ()
+