diff --git a/src/ol/ellipsoid/ellipsoid.js b/src/ol/ellipsoid/ellipsoid.js
index 775d1d6fab..88ef01335f 100644
--- a/src/ol/ellipsoid/ellipsoid.js
+++ b/src/ol/ellipsoid/ellipsoid.js
@@ -13,20 +13,35 @@ goog.require('ol.Coordinate');
 ol.Ellipsoid = function(a, flattening) {
 
   /**
+   * @const
    * @type {number}
    */
   this.a = a;
 
   /**
+   * @const
    * @type {number}
    */
   this.flattening = flattening;
 
   /**
+   * @const
    * @type {number}
    */
   this.b = this.a * (1 - this.flattening);
 
+  /**
+   * @const
+   * @type {number}
+   */
+  this.eSquared = 2 * flattening - flattening * flattening;
+
+  /**
+   * @const
+   * @type {number}
+   */
+  this.e = Math.sqrt(this.eSquared);
+
 };
 
 
diff --git a/src/ol/proj/epsg3857projection.js b/src/ol/proj/epsg3857projection.js
index 25a0f036b6..f9b8ad3c53 100644
--- a/src/ol/proj/epsg3857projection.js
+++ b/src/ol/proj/epsg3857projection.js
@@ -140,7 +140,6 @@ ol.proj.EPSG3857.toEPSG4326 = function(input, opt_output, opt_dimension) {
 /**
  * @inheritDoc
  */
-ol.proj.EPSG3857.prototype.getPointResolution =
-    function(resolution, point) {
+ol.proj.EPSG3857.prototype.getPointResolution = function(resolution, point) {
   return resolution / ol.math.cosh(point[1] / ol.proj.EPSG3857.RADIUS);
 };
diff --git a/src/ol/proj/proj.js b/src/ol/proj/proj.js
index c35453a2f9..0224674607 100644
--- a/src/ol/proj/proj.js
+++ b/src/ol/proj/proj.js
@@ -87,8 +87,7 @@ ol.Projection = function(options) {
    * @private
    * @type {boolean}
    */
-  this.global_ = goog.isDef(options.global) ?
-      options.global : false;
+  this.global_ = goog.isDef(options.global) ? options.global : false;
 
   /**
    * @private