diff --git a/jquery.basic_arithmetics.js b/jquery.basic_arithmetics.js
index 12d7cc4..12f0c25 100644
--- a/jquery.basic_arithmetics.js
+++ b/jquery.basic_arithmetics.js
@@ -28,7 +28,6 @@
 
     }
 
-
     $.subtract = function() {
 
         this.operate = function(i) {
@@ -53,8 +52,6 @@
 
     }
 
-
-
     $.multiply = function() {
 
         this.operate = function(i) {
@@ -65,8 +62,7 @@
         return this.result;
 
     }
-    	
-    
+
 	$.equals = function() {
 	
 		this.operate = function(i) {
@@ -79,6 +75,38 @@
 		
 		Operation.apply(this, arguments);
         return this.result;
-	}
+
+    }
+
+    $.addAsync = function() {
+
+        console.log(arguments)
+        return $.when($.add.apply(this, arguments))
+
+    }
+    
+    $.subtractAsync = function() {
+
+        return $.when($.subtract.apply(this, arguments))
+
+    }
+
+    $.divideAsync = function() {
+
+        return $.when($.divide.apply(this, arguments))
+
+    }
+
+    $.multiplyAsync = function() {
+
+        return $.when($.multiply.apply(this, arguments))
+
+    }
+
+    $.equalsAsync = function() {
+
+        return $.when($.equals.apply(this, arguments))
+
+    }
 
 }(jQuery));
\ No newline at end of file
diff --git a/jquery.basic_arithmetics.min.js b/jquery.basic_arithmetics.min.js
index 24ddc17..259c939 100644
--- a/jquery.basic_arithmetics.min.js
+++ b/jquery.basic_arithmetics.min.js
@@ -1 +1 @@
-(function(e){var t=function(){this.operands=arguments;if(this.operands.length<2)throw new Error("You need at least two arguments.");for(var e=0;e<this.operands.length;e++){if(isNaN(parseFloat(this.operands[e])))throw new Error("All arguments must be numeric.");if(e==0)this.result=this.operands[e];else this.operate(e)}};e.add=function(){this.operate=function(e){this.result=this.result+this.operands[e]};t.apply(this,arguments);return this.result};e.subtract=function(){this.operate=function(e){this.result=this.result-this.operands[e]};t.apply(this,arguments);return this.result};e.divide=function(){this.operate=function(e){if(this.operands[e]==0)throw new Error("Ph'nglui mglw'nafh Cthulhu R'lyeh wgah'nagl fhtagn");this.result=this.result/this.operands[e]};t.apply(this,arguments);return this.result};e.multiply=function(){this.operate=function(e){this.result=this.result*this.operands[e]};t.apply(this,arguments);return this.result};e.equals=function(){this.operate=function(e){if(e==1&&this.operands[0]==0){this.result=this.operands[0]==this.operands[e]}else{this.result=this.result&&this.operands[e-1]===this.operands[e]}};t.apply(this,arguments);return this.result}})(jQuery)
\ No newline at end of file
+'use strict';(function(a){var b=function(){if(this.operands=arguments,2>this.operands.length)throw new Error('You need at least two arguments.');for(var c=0;c<this.operands.length;c++){if(isNaN(parseFloat(this.operands[c])))throw new Error('All arguments must be numeric.');0==c?this.result=this.operands[c]:this.operate(c)}};a.add=function(){return this.operate=function(c){this.result+=this.operands[c]},b.apply(this,arguments),this.result},a.subtract=function(){return this.operate=function(c){this.result-=this.operands[c]},b.apply(this,arguments),this.result},a.divide=function(){return this.operate=function(c){if(0==this.operands[c])throw new Error('Ph\'nglui mglw\'nafh Cthulhu R\'lyeh wgah\'nagl fhtagn');this.result/=this.operands[c]},b.apply(this,arguments),this.result},a.multiply=function(){return this.operate=function(c){this.result*=this.operands[c]},b.apply(this,arguments),this.result},a.equals=function(){return this.operate=function(c){this.result=1==c&&0==this.operands[0]?this.operands[0]==this.operands[c]:this.result&&this.operands[c-1]===this.operands[c]},b.apply(this,arguments),this.result},a.addAsync=function(){return console.log(arguments),a.when(a.add.apply(this,arguments))},a.subtractAsync=function(){return a.when(a.subtract.apply(this,arguments))},a.divideAsync=function(){return a.when(a.divide.apply(this,arguments))},a.multiplyAsync=function(){return a.when(a.multiply.apply(this,arguments))},a.equalsAsync=function(){return a.when(a.equals.apply(this,arguments))}})(jQuery);
\ No newline at end of file