Display exponentiation

itsforbrijesh · Sep 22, 2018 · ce3b1c1 · ce3b1c1
1 parent bfe1083
commit ce3b1c1
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Showing 3 changed files with 21 additions and 2 deletions.
diff --git a/public/default.css b/public/default.css
@@ -137,3 +137,9 @@ BUTTON
   background-position: -257px 0;
   width: 17px;
 }
+
+.resultchar.exponent
+{
+  background-position: -274px 0;
+  width: 25px;
+}
diff --git a/public/digits.png b/public/digits.png
diff --git a/public/index.html b/public/index.html
@@ -33,16 +33,29 @@
       function setValue(n)
       {
         value = n;
+        var displayValue = value;
+
+        if (displayValue > 99999999) {
+          displayValue = displayValue.toExponential(4);
+        } else if (displayValue < -99999999) {
+          displayValue = displayValue.toExponential(4);
+        } else if (displayValue > 0 && displayValue < 0.0000001) {
+          displayValue = displayValue.toExponential(4);
+        } else if (displayValue < 0 && displayValue > -0.0000001) {
+          displayValue = displayValue.toExponential(3);
+        }
 
-        var chars = value.toString().split("");
+        var chars = displayValue.toString().split("");
         var html = "";
 
         for (var c of chars) {
           if (c == '-') {
             html += "<span class=\"resultchar negative\">" + c + "</span>";
           } else if (c == '.') {
             html += "<span class=\"resultchar decimal\">" + c + "</span>";
-          } else {
+          } else if (c == 'e') {
+            html += "<span class=\"resultchar exponent\">e</span>";
+          } else if (c != '+') {
             html += "<span class=\"resultchar digit" + c + "\">" + c + "</span>";
           }
         }