Update index.html

Author: Gmac4247

index.html

@@ -191,7 +191,7 @@
 },
 "dateCreated" :"2019-01-11",
 "datePublished":"2020-01-11",
-"dateModified" :"2025-01-28",
+"dateModified" :"2025-01-29",
 "description" :"Providing the best-established and most accurate framework to calculate area and volume.",
 "disambiguatingDescription": "Exact formulas. No pi.",
 "headline":"Exact geometry",
@@ -210,6 +210,8 @@
 "@type": ["MathSolver", "LearningResource"],
  "name" : "Exact Geometry",
  "inLanguage":"en-us",
+"url": "https://basic-geometry.github.io", 
+"usageInfo":"Use it well.",
  "potentialAction": [
 
 {