This page is also available in 2 other languages
Change language 
English

The Arduino Reference text is licensed under a Creative Commons Attribution-Share Alike 3.0 License.

Find anything that can be improved? Suggest corrections and new documentation via GitHub.

Doubts on how to use Github? Learn everything you need to know in this tutorial.

Last Revision: Searching...

Last Build: 2024/11/08

Edit This Page
Reference > Language > Functions > Math > Sqrt

sqrt()

[Math]

Calculates the square root of a number.

Description

Syntax

sqrt(x)

Parameters

x: the number. Allowed data types: any data type.

Returns

The number’s square root. Data type: double.

See also