Removed horse.mp3, Changed calculator

calc.css

@@ -18,6 +18,9 @@
        -moz-user-select: none; /* Old versions of Firefox */
         -ms-user-select: none; /* Internet Explorer/Edge */
             user-select: none; 
+            
+    padding-right: 20px;
+    padding-top: 20px;
 }
 .numberbutton {
     width: 100px;

calculator.php

@@ -108,7 +108,7 @@
         function equalsb() {
             var t1 = document.getElementById("eingabe").value  
             var t2 = t1.replace("𝜋", "Math.PI"); 
-            var t3 = t2.replace("²", "^2");
+            var t3 = t2.replace("²", "Math.sqr");
             if(t1 != "") {
                document.getElementById("eingabe").value = eval(t3); 
             } else {