diff --git a/lib/ace/editor.js b/lib/ace/editor.js
index 1551473c..1ab72848 100644
--- a/lib/ace/editor.js
+++ b/lib/ace/editor.js
@@ -1315,7 +1315,7 @@ var Editor = function(renderer, session) {
     /**
      * Editor.getNumberAt() -> Number
      * 
-     * Works like [[Editor.getTokenAt]], excepts it returns a number.
+     * Works like [[Editor.getTokenAt]], except it returns a number.
      **/
     this.getNumberAt = function( row, column ) {
         var _numberRx = /[\-]?[0-9]+(?:\.[0-9]+)?/g
@@ -1346,20 +1346,16 @@ var Editor = function(renderer, session) {
         var row = this.selection.getCursor().row;
         var column = this.selection.getCursor().column;
 
-        //get the char before the cursor
-        var charRange = new Range(0,0,0,0);
-        charRange.start.row = row;
-        charRange.end.row = row;
-        charRange.start.column = column-1;
-        charRange.end.column = column;
+        // get the char before the cursor
+        var charRange = new Range(row, column-1, row, column);
 
         var c = this.session.getTextRange(charRange);
-        //if the char is a digit
-        if(!isNaN(parseFloat(c)) && isFinite(c)) {
-            //get the whole number the digit is part of
+        // if the char is a digit
+        if (!isNaN(parseFloat(c)) && isFinite(c)) {
+            // get the whole number the digit is part of
             var nr = this.getNumberAt(row, column);
-            //if number found
-            if(nr) {
+            // if number found
+            if (nr) {
                 var fp = nr.value.indexOf(".") >= 0 ? nr.start + nr.value.indexOf(".") + 1 : nr.end;
                 var decimals = nr.start + nr.value.length - fp;
 
@@ -1378,18 +1374,14 @@ var Editor = function(renderer, session) {
                 var nnr = t.toFixed(decimals);
 
                 //update number
-                var replaceRange = new Range(0, 0, 0, 0);          
-                replaceRange.start.row = row;
-                replaceRange.end.row = row;
-                replaceRange.start.column = nr.start;
-                replaceRange.end.column = nr.end;
+                var replaceRange = new Range(row, nr.start, row, nr.end);
                 this.session.replace(replaceRange, nnr);
 
                 //reposition the cursor
                 this.moveCursorTo(row, Math.max(nr.start +1, column + nnr.length - nr.value.length));
 
             }
-        }  
+        }
     };
 
     /** related to: EditSession.remove