Update index.html

Author: Gmac4247

index.html

@@ -529,7 +529,7 @@ <h1 style="font-size:160%;margin:7px">Introducing the Core Geometric System ™<
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 - Compared to a cube, using the area of the sphere's cross-section.
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-- Formula:  V = " cubic value of ( √( 3.2 ) × radius ) ". 
+- Formula:  V = " cubic value of ( square root ( 3.2 ) × radius ) ". 
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 4. Volume of a Cone: