From 7efb5e589d66a27365da23a0b4bca949f6fffeaf Mon Sep 17 00:00:00 2001
From: miguel <miguelvaca@MacbookPro-2.local>
Date: Fri, 23 Jul 2021 23:23:56 +1000
Subject: [PATCH] Update magloop.html

Fixed area calc.
---
 magloop.html | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/magloop.html b/magloop.html
index eee33c4..5d049f6 100644
--- a/magloop.html
+++ b/magloop.html
@@ -553,7 +553,7 @@
 
                 // Write loop area:
                 fctx.textAlign = "right";
-                fctx.fillText("A = " + (Math.PI * dia**2).toPrecision(3).toString() + " m\u00B2", win_width-8, 18);
+                fctx.fillText("A = " + (Math.PI * (0.5*dia)**2).toPrecision(3).toString() + " m\u00B2", win_width-8, 18);
             }
             
             const aside_canvas = document.getElementById("antennaSide2D");