diff --git a/.idea/vcs.xml b/.idea/vcs.xml
new file mode 100644
index 0000000..94a25f7
--- /dev/null
+++ b/.idea/vcs.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/check/script.js b/check/script.js
index 738fcea..695832b 100644
--- a/check/script.js
+++ b/check/script.js
@@ -1,5 +1,5 @@
-var fileContents = new Array();
-var fileNames = new Array();
+var fileContents = [];
+var fileNames = [];
 
 function handleFileSelect(evt) {
     evt.stopPropagation();
@@ -46,8 +46,8 @@ function compareFiles(fileContents, fileNames) {
 }
 
 function resetArrays() {
-    fileNames = new Array();
-    fileContents = new Array();
+    fileNames = [];
+    fileContents = [];
 }
 
 function handleDragOver(evt) {
diff --git a/index.css b/index.css
index 1764d29..8f22e6d 100644
--- a/index.css
+++ b/index.css
@@ -67,7 +67,7 @@ body {
 }
 
 .scrollcode {
-	margin: 0px auto;
+	margin: 0 auto;
 	width: 100%;
 	height: 300px;
 	overflow: scroll;
@@ -75,11 +75,10 @@ body {
 }
 
 .scrollresult {
-	margin: 0px auto;
+	margin: 0 auto;
 	width: 100%;
 	height: 300px;
 	overflow: scroll;
-	overflow-x: scroll;
 }
 
 .input_prompt {
@@ -126,7 +125,7 @@ body {
 	text-align: center;
 	width: 100%;
 	color: #FF0000;
-	margin: 0px auto;
+	margin: 0 auto;
 }
 
 .blur {
@@ -137,7 +136,6 @@ body {
 	top: 0;
 	bottom: 0;
 	z-index: 900;
-	background-color: #000000;
 	opacity: 0.7;
 	visibility: hidden;
 }
diff --git a/index.html b/index.html
index 1679de6..9761328 100644
--- a/index.html
+++ b/index.html
@@ -32,8 +32,7 @@
 
     <div id="input_prompt" class="input_prompt">
 	<span class="input_prompt_vertical">
-	    {{strings.input_value}}
-	    <input autocomplete="off" type="text" name="rda" id="rda" />
+	    <label for="rda">{{strings.input_value}}</label><input autocomplete="off" type="text" name="rda" id="rda"/>
 	    <input ng-click="rda_value_received();" type="button" value="Ingresar" />
 	</span>
     </div>
@@ -43,14 +42,19 @@
     <table class="title_table">
 	<tr>
 	    <td class="blank_title_cell"><img src="ubblogo.png" /></td>
-	    <td class="project_name">{{strings.project_name}} <input type="text" id="project_name" name="project_name" value="" /></td>
+		<td class="project_name"><label for="project_name">{{strings.project_name}} </label><input type="text"
+																								   id="project_name"
+																								   name="project_name"
+																								   value=""/></td>
 	    <td class="options">
 		<input ng-click="show_help();" type="button" value="{{strings.help}}" />
-		<select ng-change="change_language();" ng-model="language">
-		    <option value="0">{{strings.spanish}}</option>
-		    <option value="1">{{strings.english}}</option>
-		</select>
-	    </td>
+			<label>
+				<select ng-change="change_language();" ng-model="language">
+					<option value="0">{{strings.spanish}}</option>
+					<option value="1">{{strings.english}}</option>
+				</select>
+			</label>
+		</td>
 	</tr>
     </table>
     <br />
@@ -62,8 +66,16 @@
 		    <table align="center" class="table_background">
 			<tr ng-repeat="(key, line) in code_lines">
 			    <td id="line1_{{key}}" ng-click="select_line(key, false);" class="table_cell line_number_td" >{{line.line}}</td>
-			    <td id="line2_{{key}}" class="table_cell"><select ng-model="line.command" ng-options="command.name for command in commands"></select></td>
-			    <td id="line3_{{key}}" class="table_cell"><input type="text" ng-model="line.value" /></td>
+				<td id="line2_{{key}}" class="table_cell">
+					<label>
+						<select ng-model="line.command" ng-options="command.name for command in commands"></select>
+					</label>
+				</td>
+				<td id="line3_{{key}}" class="table_cell">
+					<label>
+						<input type="text" ng-model="line.value"/>
+					</label>
+				</td>
 			</tr>
 		    </table>
 		</div>
@@ -125,24 +137,26 @@
 		<input ng-click="execute_code();" id="execute_code" type="button" value="{{strings.execute_code}}" />
 		<input ng-click="pause_code();" id="pause_code" type="button" value="{{strings.pause_code}}" disabled="disabled" />
 		<input ng-click="stop_code();" id="stop_code" type="button" value="{{strings.stop_code}}" disabled="disabled" />
-		{{strings.interval}}
-		<select ng-change="change_speed();" ng-model="speed">
-		    <option value="0">0</option>
-		    <option value="1">1</option>
-		    <option value="2">2</option>
-		    <option value="3">3</option>
-		    <option value="4">4</option>
-		    <option value="5">5</option>
-		</select>
+			<label>
+				{{strings.interval}}
+				<select ng-change="change_speed();" ng-model="speed">
+					<option value="0">0</option>
+					<option value="1">1</option>
+					<option value="2">2</option>
+					<option value="3">3</option>
+					<option value="4">4</option>
+					<option value="5">5</option>
+				</select>
+			</label>
 	    </td>
 	</tr>
     </table>
     <div class="credits">
-	<b>JVON Web</b><br />
-	{{strings.credits_description}}&nbsp;<b>{{strings.credits_john}}</b><br />
-	{{strings.credits_cromer}}<br />
-	Ingeniería Civil en Informática, Universidad del Bío Bío, 2015<br />
-	<a target="_blank" href="jvon-1.0.0.0.apk">Version android</href>
+		<b>JVON Web</b><br/>
+		{{strings.credits_description}}&nbsp;<b>{{strings.credits_john}}</b><br/>
+		{{strings.credits_cromer}}<br/>
+		Ingeniería Civil en Informática, Universidad del Bío Bío, 2015<br/>
+		<a target="_blank" href="jvon-1.0.0.0.apk">Version android</a>
     </div>
 </body>
 </html>
diff --git a/js/jvon-angular.js b/js/jvon-angular.js
index 25ee013..ed9bdd0 100644
--- a/js/jvon-angular.js
+++ b/js/jvon-angular.js
@@ -1,4 +1,5 @@
 // This is the angular controller and the code pane
+//noinspection JSUnresolvedFunction
 var jvonapp = angular.module("JVON", ["ngTouch", "ngSanitize"]);
 
 jvonapp.controller('JVONController', ["$scope", "$timeout", "$interval", function ($scope, $timeout ,$interval) {
@@ -6,13 +7,13 @@ jvonapp.controller('JVONController', ["$scope", "$timeout", "$interval", functio
 	$scope.commands = commands;
 
 	// The code pane
-	$scope.code_lines = new Array();
+	$scope.code_lines = [];
 
 	// The result pane
-	$scope.results = new Array();
+	$scope.results = [];
 
 	// What is displayed on the screen
-	$scope.screen = new Array();
+	$scope.screen = [];
 
 	$scope.execution_started = false;
 
@@ -67,14 +68,14 @@ jvonapp.controller('JVONController', ["$scope", "$timeout", "$interval", functio
 		}
 		else {
 			$interval.cancel($scope.blink_promise);
-			element = document.getElementById("pause_code");
+			var element = document.getElementById("pause_code");
 			element.style.opacity = 1;
-			element.style.filter = "alpha(opacity=" + 1 * 100 + ")";
+			element.style.filter = "alpha(opacity=100)";
 		}
 	};
 
 	$scope.blink = function () {
-		element = document.getElementById("pause_code");
+		var element = document.getElementById("pause_code");
 		if ($scope.blink_state == false) {
 			if ($scope.opacity <= 0.1) {
 				$scope.blink_state = true;
@@ -177,7 +178,8 @@ jvonapp.controller('JVONController', ["$scope", "$timeout", "$interval", functio
 		if ($scope.code_lines.length > 0) {
 			// Find the last highlighted line
 			var highlighted = null;
-			for (var i = $scope.code_lines.length - 1; i >= 0; i--) {
+			var i;
+			for (i = $scope.code_lines.length - 1; i >= 0; i--) {
 				if ($scope.code_lines[i].highlighted == true) {
 					highlighted = i;
 					break;
@@ -188,9 +190,9 @@ jvonapp.controller('JVONController', ["$scope", "$timeout", "$interval", functio
 			}
 
 			// Add a line after the last highlighted
-			var new_code_lines = new Array();
+			var new_code_lines = [];
 			var j = 1;
-			for (var i = 0; i < $scope.code_lines.length; i++) {
+			for (i = 0; i < $scope.code_lines.length; i++) {
 				if (highlighted == i) {
 					$scope.code_lines[i].line = j.toString();
 					new_code_lines.push($scope.code_lines[i]);
@@ -217,7 +219,7 @@ jvonapp.controller('JVONController', ["$scope", "$timeout", "$interval", functio
 
 	// Delete the highlighted lines
 	$scope.delete_line = function () {
-		var new_code_lines = new Array();
+		var new_code_lines = [];
 		var j = 1;
 		for (var i = 0; i < $scope.code_lines.length; i++) {
 			if (!$scope.code_lines[i].highlighted) {
@@ -231,17 +233,18 @@ jvonapp.controller('JVONController', ["$scope", "$timeout", "$interval", functio
 
 	// Delete all code lines
 	$scope.clear_code = function () {
-		$scope.code_lines = new Array();
+		$scope.code_lines = [];
 	};
 
 	$scope.select_line = function (line_number, result) {
+		var line;
+		
 		// If execution finished remove all highlights
 		if ($scope.finished == true) {
 			$scope.finished = false;
 			for (var i = 0; i < $scope.code_lines.length; i++) {
 				if ($scope.code_lines[i].highlighted == true) {
 					// Unhighlight
-					var line;
 					line = document.getElementById("line1_" + i.toString());
 					line.className = line.className.substring(0,line.className.length - 21);
 					line = document.getElementById("line2_" + i.toString());
@@ -256,7 +259,6 @@ jvonapp.controller('JVONController', ["$scope", "$timeout", "$interval", functio
 		if ($scope.executing == true && result == true) {
 			if ($scope.code_lines[line_number].highlighted == false) {
 				// Highlight
-				var line;
 				line = document.getElementById("line1_" + line_number.toString());
 				line.className += " code_number_selected";
 				line = document.getElementById("line2_" + line_number.toString());
@@ -267,7 +269,6 @@ jvonapp.controller('JVONController', ["$scope", "$timeout", "$interval", functio
 			}
 			else {
 				// Unhighlight
-				var line;
 				line = document.getElementById("line1_" + line_number.toString());
 				line.className = line.className.substring(0,line.className.length - 21);
 				line = document.getElementById("line2_" + line_number.toString());
@@ -280,7 +281,6 @@ jvonapp.controller('JVONController', ["$scope", "$timeout", "$interval", functio
 		else if ($scope.executing == false && result == false) {
 			if ($scope.code_lines[line_number].highlighted == false) {
 				// Highlight
-				var line;
 				line = document.getElementById("line1_" + line_number.toString());
 				line.className += " line_number_selected";
 				line = document.getElementById("line2_" + line_number.toString());
@@ -291,7 +291,6 @@ jvonapp.controller('JVONController', ["$scope", "$timeout", "$interval", functio
 			}
 			else {
 				// Unhighlight
-				var line;
 				line = document.getElementById("line1_" + line_number.toString());
 				line.className = line.className.substring(0,line.className.length - 21);
 				line = document.getElementById("line2_" + line_number.toString());
@@ -380,7 +379,7 @@ jvonapp.controller('JVONController', ["$scope", "$timeout", "$interval", functio
 	};
 
 	// Watch for changes to the code from external sources and update accordingly
-	$scope.$watch('imported_code',function(newValue, oldValue) {
+	$scope.$watch('imported_code', function (newValue) {
 		if (newValue) {
 			$scope.code_lines = newValue;
 			$scope.imported_code = false;
@@ -417,7 +416,7 @@ jvonapp.controller('JVONController', ["$scope", "$timeout", "$interval", functio
 jvonapp.directive("importFile", function () {
 	return {
 		restrict: "A",
-		link: function ($scope, element, attributes) {
+		link: function ($scope, element) {
 			element.bind('change', function (event) {
 				var file = event.target.files[0];
 
@@ -435,9 +434,9 @@ jvonapp.directive("importFile", function () {
 								$scope.select_line(i, true);
 							}
 						}
-						$scope.code_lines = new Array();
+						$scope.code_lines = [];
 						$scope.$apply();
-					}
+					};
 
 					reader.readAsText(file);
 				}
diff --git a/js/jvon-interpret.js b/js/jvon-interpret.js
index 68ddeca..cf1b77c 100644
--- a/js/jvon-interpret.js
+++ b/js/jvon-interpret.js
@@ -18,7 +18,7 @@ document.addEventListener('DOMContentLoaded', function () {
             $scope.finished = false;
 
             $scope.ac = "";
-            $scope.memory = new Array();
+			$scope.memory = [];
             $scope.memory[0] = null; // 80
             $scope.memory[1] = null; // 81
             $scope.memory[2] = null; // 82
@@ -39,8 +39,8 @@ document.addEventListener('DOMContentLoaded', function () {
 
             $scope.disable_code_buttons();
 
-            $scope.results = new Array();
-            $scope.screen = new Array();
+			$scope.results = [];
+			$scope.screen = [];
             $scope.line_number = 0;
             $scope.repeater();
         }
@@ -135,7 +135,7 @@ document.addEventListener('DOMContentLoaded', function () {
                         $scope.pow($scope.code_lines[$scope.line_number].value);
                         break;
                     case "End":
-                        $scope.End($scope.code_lines[$scope.line_number].value);
+						$scope.End();
                         break;
                     default:
                         alert($scope.code_lines[$scope.line_number].command.name + " is not implemented yet.");
@@ -148,12 +148,13 @@ document.addEventListener('DOMContentLoaded', function () {
 
     $scope.check_syntax = function (value) {
         var result;
+		var regex;
 
         if (value == "") {
             return {type: "blank", value: ""};
         }
 
-        var regex = /^(\d+)$/;
+		regex = /^(\d+)$/;
         if ((result = regex.exec(value)) !== null) {
             if (result.index === regex.lastIndex) {
                 regex.lastIndex++;
@@ -162,7 +163,7 @@ document.addEventListener('DOMContentLoaded', function () {
             return {type: "memory", value: result[1]};
         }
 
-        var regex = /^\[(\d+)\]$/;
+		regex = /^\[(\d+)]$/;
         if ((result = regex.exec(value)) !== null) {
             if (result.index === regex.lastIndex) {
                 regex.lastIndex++;
@@ -171,7 +172,7 @@ document.addEventListener('DOMContentLoaded', function () {
             return {type: "address", value: result[1]};
         }
 
-        var regex = /^#(-?[0-9]*?\.?[0-9]+)$/;
+		regex = /^#(-?[0-9]*?\.?[0-9]+)$/;
         if ((result = regex.exec(value)) !== null) {
             if (result.index === regex.lastIndex) {
                 regex.lastIndex++;
@@ -185,18 +186,12 @@ document.addEventListener('DOMContentLoaded', function () {
 
     $scope.check_memory_address = function(value) {
         value = parseFloat(value);
-        if (value < 80 || value > 85) {
-            return false;
-        }
-        return true;
+		return !(value < 80 || value > 85);
     };
 
     $scope.check_memory_value = function(value) {
         value = parseFloat(value) - 80;
-        if ($scope.memory[value] == null) {
-            return false;
-        }
-        return true;
+		return $scope.memory[value] != null;
     };
 
     $scope.rda = function (value) {
@@ -223,9 +218,8 @@ document.addEventListener('DOMContentLoaded', function () {
                 var new_memory = $scope.memory[syntax.value];
 
                 var regex = /^\d+$/;
-                var result;
 
-                if ((result = regex.exec(new_memory)) !== null && $scope.check_memory_address(new_memory) == true) {
+				if (regex.exec(new_memory) !== null && $scope.check_memory_address(new_memory) == true) {
                     $scope.rda_value = new_memory;
                     $scope.show_input_prompt();
                 }
@@ -245,9 +239,8 @@ document.addEventListener('DOMContentLoaded', function () {
         var value = document.getElementById("rda").value;
 
         var regex = /^-?[0-9]*?\.?[0-9]+$/;
-        var result;
 
-        if ((result = regex.exec(value)) !== null) {
+		if (regex.exec(value) !== null) {
             value = parseFloat(value);
             $scope.rda_value = parseFloat($scope.rda_value);
 
@@ -329,7 +322,7 @@ document.addEventListener('DOMContentLoaded', function () {
         }
         else if (syntax.type == "memory") {
             if ($scope.check_memory_address(value) == true) {
-                new_value = parseFloat(value) - 80;
+				var new_value = parseFloat(value) - 80;
                 $scope.memory[new_value] = $scope.ac;
 
                 $scope.create_result($scope.line_number, parseFloat(value), $scope.ac);
@@ -350,9 +343,8 @@ document.addEventListener('DOMContentLoaded', function () {
                 var new_memory = $scope.memory[syntax.value];
 
                 var regex = /^\d+$/;
-                var result;
 
-                if ((result = regex.exec(new_memory)) !== null && $scope.check_memory_address(new_memory) == true) {
+				if (regex.exec(new_memory) !== null && $scope.check_memory_address(new_memory) == true) {
                     new_memory = parseFloat(new_memory) - 80;
                     $scope.memory[new_memory] = $scope.ac;
 
@@ -519,13 +511,13 @@ document.addEventListener('DOMContentLoaded', function () {
 
     $scope.div = function (value) {
         var syntax = $scope.check_syntax(value);
+		var regex;
         if (syntax.type == "number") {
             $scope.ac = parseFloat($scope.ac) / parseFloat(syntax.value);
 
-            var regex = /^-?[0-9]*\.?[0-9]+$/;
-            var result;
+			regex = /^-?[0-9]*\.?[0-9]+$/;
 
-            if ((result = regex.exec($scope.ac)) !== null) {
+			if (regex.exec($scope.ac) !== null) {
                 $scope.create_result($scope.line_number, "ac", $scope.ac);
                 $scope.line_number++;
                 $scope.repeater();
@@ -540,10 +532,9 @@ document.addEventListener('DOMContentLoaded', function () {
                 value = $scope.memory[value - 80];
                 $scope.ac = parseFloat($scope.ac) / parseFloat(value);
 
-				var regex = /^-?[0-9]*\.?[0-9]+$/;
-                var result;
+				regex = /^-?[0-9]*\.?[0-9]+$/;
 
-                if ((result = regex.exec($scope.ac)) !== null) {
+				if (regex.exec($scope.ac) !== null) {
                     $scope.create_result($scope.line_number, "ac", $scope.ac);
                     $scope.line_number++;
                     $scope.repeater();
@@ -564,10 +555,9 @@ document.addEventListener('DOMContentLoaded', function () {
                 value = parseFloat($scope.memory[temp_value - 80]);
                 $scope.ac = parseFloat($scope.ac) / value;
 
-                var regex = /^-?[0-9]*\.?[0-9]+$/;
-                var result;
+				regex = /^-?[0-9]*\.?[0-9]+$/;
 
-                if ((result = regex.exec($scope.ac)) !== null) {
+				if (regex.exec($scope.ac) !== null) {
                     $scope.create_result($scope.line_number, "ac", $scope.ac);
                     $scope.line_number++;
                     $scope.repeater();
@@ -686,13 +676,14 @@ document.addEventListener('DOMContentLoaded', function () {
 
     $scope.sqr = function (value) {
         var syntax = $scope.check_syntax(value);
+		var sqr;
         if (syntax.type == "blank") {
             if ($scope.ac == "") {
                 alert($scope.strings.error_ac);
                 $scope.stop_code();
             }
             else {
-                var sqr = Math.sqrt(parseFloat($scope.ac));
+				sqr = Math.sqrt(parseFloat($scope.ac));
                 if (sqr == "NaN") {
                     alert($scope.strings.error_math);
                     $scope.stop_code();
@@ -706,7 +697,7 @@ document.addEventListener('DOMContentLoaded', function () {
             }
         }
         else if (syntax.type == "number") {
-            var sqr = Math.sqrt(syntax.value);
+			sqr = Math.sqrt(parseFloat(syntax.value));
             if (sqr == "NaN") {
                 alert($scope.strings.error_math);
                 $scope.stop_code();
@@ -721,7 +712,7 @@ document.addEventListener('DOMContentLoaded', function () {
         else if (syntax.type == "memory") {
             if ($scope.check_memory_address(value) == true && $scope.check_memory_value(value) == true) {
                 value = parseFloat($scope.memory[value - 80]);
-                var sqr = Math.sqrt(value);
+				sqr = Math.sqrt(value);
                 if (sqr == "NaN") {
                     alert($scope.strings.error_math);
                     $scope.stop_code();
@@ -742,7 +733,7 @@ document.addEventListener('DOMContentLoaded', function () {
             var temp_value = $scope.memory[syntax.value - 80];
             if ($scope.check_memory_address(temp_value) == true && $scope.check_memory_value(temp_value) == true) {
                 value = parseFloat($scope.memory[temp_value - 80]);
-                var sqr = Math.sqrt(value);
+				sqr = Math.sqrt(value);
                 if (sqr == "NaN") {
                     alert($scope.strings.error_math);
                     $scope.stop_code();
@@ -767,9 +758,9 @@ document.addEventListener('DOMContentLoaded', function () {
 
     $scope.pow = function (value) {
         var syntax = $scope.check_syntax(value);
+		var new_value;
         if (syntax.type == "number") {
             if ($scope.ac != "" || $scope.ac == 0) {
-                var new_value;
                 value = parseFloat(syntax.value);
                 if (value < 0) {
                     // The exponent is negative
@@ -793,7 +784,6 @@ document.addEventListener('DOMContentLoaded', function () {
         else if (syntax.type == "memory") {
             if ($scope.check_memory_address(value) == true) {
                 value = parseFloat($scope.memory[value - 80]);
-                var new_value;
                 if (value < 0) {
                     // The exponent is negative
                     value = Math.abs(parseFloat(value));
@@ -817,7 +807,6 @@ document.addEventListener('DOMContentLoaded', function () {
             var temp_value = $scope.memory[syntax.value - 80];
             if ($scope.check_memory_address(temp_value) == true) {
                 value = parseFloat($scope.memory[temp_value - 80]);
-                var new_value;
                 if (value < 0) {
                     // The exponent is negative
                     value = Math.abs(parseFloat(value));
@@ -850,9 +839,9 @@ document.addEventListener('DOMContentLoaded', function () {
         else {
             return base * $scope.pow_repeat(exponent -1, base);
         }
-    }
+	};
 
-    $scope.End = function (value) {
+	$scope.End = function () {
         // Rap-up everything
         $scope.stop_code();
     };