2015-04-17 04:52:51 +00:00
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## Sqrt
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Return the square root of the parameter
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2015-04-18 14:41:34 +00:00
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### Declaration
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2015-04-17 04:52:51 +00:00
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```glsl
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float sqrt(float x)
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vec2 sqrt(vec2 x)
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vec3 sqrt(vec3 x)
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vec4 sqrt(vec4 x)
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```
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### Parameters
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2015-04-18 14:41:34 +00:00
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```x``` specify the value of which to take the square root.
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2015-04-17 04:52:51 +00:00
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### Description
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```sqrt()``` returns the square root of ```x```.
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<div class="simpleFunction" data="y = sqrt(x); "></div>
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2015-04-18 14:41:34 +00:00
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<div class="codeAndCanvas" data="../07/circle-making.frag"></div>
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2015-04-17 04:52:51 +00:00
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### See Also
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2016-04-06 15:44:45 +00:00
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[inversesqrt](/glossary/?search=inversesqrt), [pow](/glossary/?search=pow), [Chapter 05: Shaping Functions](/05/)
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