diff --git a/Dispatcher/Dispatcher.php b/Dispatcher/Dispatcher.php
index 1e5f5a829..c28f6a88e 100644
--- a/Dispatcher/Dispatcher.php
+++ b/Dispatcher/Dispatcher.php
@@ -178,7 +178,7 @@ class Dispatcher
     private function getController(string $controller)
     {
         if (!isset($this->controllers[$controller])) {
-            if (realpath($path = ROOT_PATH . '/' . str_replace('\\', '/', $controller) . '.php') === false) {
+            if (!file_exists($path = ROOT_PATH . '/' . str_replace('\\', '/', $controller) . '.php')) {
                 throw new PathException($path);
             }
 
diff --git a/Log/FileLogger.php b/Log/FileLogger.php
index ce79d414d..592d1b369 100644
--- a/Log/FileLogger.php
+++ b/Log/FileLogger.php
@@ -103,13 +103,9 @@ class FileLogger implements LoggerInterface
         }
 
         if (is_dir($lpath) || strpos($lpath, '.') === false) {
-            File::create($path = $lpath . '/' . date('Y-m-d') . '.log');
-
-            $path = realpath($path);
+            File::create($path = $path . '/' . date('Y-m-d') . '.log');
         } else {
             File::create($lpath);
-
-            $path = realpath($lpath);
         }
 
         $this->path = $path;
diff --git a/Math/Finance/FinanceFormulas.php b/Math/Finance/FinanceFormulas.php
index c69677a5c..f00ec8c21 100644
--- a/Math/Finance/FinanceFormulas.php
+++ b/Math/Finance/FinanceFormulas.php
@@ -52,6 +52,8 @@ class FinanceFormulas
     /**
      * Annual Percentage Yield
      *
+     * @latex r = \left(APY + 1\right)^{\frac{1}{n}} \cdot n - 1
+     *
      * @param float $apy Annual percentage yield
      * @param int   $n   Number of times compounded
      *
@@ -62,7 +64,7 @@ class FinanceFormulas
      */
     public static function getStateAnnualInterestRateOfAPY(float $apy, int $n) : float
     {
-        return (pow($apy + 1, 1 / $n) - 1) * $n;
+        return pow($apy + 1, 1 / $n) * $n  - 1;
     }
 
     /**
diff --git a/Module/InfoManager.php b/Module/InfoManager.php
index e4370aeac..66b3dc112 100644
--- a/Module/InfoManager.php
+++ b/Module/InfoManager.php
@@ -73,11 +73,11 @@ class InfoManager
      */
     public function load()
     {
-        if (($path = realpath($this->path)) === false) {
+        if (!file_exists($this->path)) {
             throw new PathException($this->path);
         }
 
-        $this->info = json_decode(file_get_contents($path), true);
+        $this->info = json_decode(file_get_contents($this->path), true);
     }
 
     /**
diff --git a/Module/ModuleAbstract.php b/Module/ModuleAbstract.php
index 08edeb1a9..2c1193e49 100644
--- a/Module/ModuleAbstract.php
+++ b/Module/ModuleAbstract.php
@@ -124,9 +124,9 @@ abstract class ModuleAbstract
     public static function getLocalization(string $language, string $destination) : array
     {
         $lang = [];
-        if (($path = realpath($oldPath = __DIR__ . '/../../Modules/' . static::MODULE_NAME . '/Theme/' . $destination . '/Lang/' . $language . '.lang.php')) !== false) {
+        if (file_exists($oldPath = __DIR__ . '/../../Modules/' . static::MODULE_NAME . '/Theme/' . $destination . '/Lang/' . $language . '.lang.php')) {
             /** @noinspection PhpIncludeInspection */
-            $lang = include $path;
+            $lang = include $oldPath;
         }
 
         return $lang;
diff --git a/Router/Router.php b/Router/Router.php
index 8e561df51..14a042552 100644
--- a/Router/Router.php
+++ b/Router/Router.php
@@ -61,7 +61,7 @@ class Router
      */
     public function importFromFile(string $path) : bool
     {
-        if (file_exists($path)) {
+        if (stream_resolve_include_path($path) !== false) {
             /** @noinspection PhpIncludeInspection */
             $this->routes += include $path;
 
diff --git a/System/File/Local/Directory.php b/System/File/Local/Directory.php
index dd032574f..7cdad8627 100644
--- a/System/File/Local/Directory.php
+++ b/System/File/Local/Directory.php
@@ -194,9 +194,8 @@ class Directory extends FileAbstract implements DirectoryInterface
      */
     public static function delete(string $path) : bool
     {
-        $path = realpath($oldPath = $path);
-        if ($path === false || !is_dir($path) || StringUtils::startsWith($path, ROOT_PATH)) {
-            throw new PathException($oldPath);
+        if (!file_exists($path) || !is_dir($path)) {
+            throw new PathException($path);
         }
 
         $files = scandir($path);
diff --git a/Views/ViewAbstract.php b/Views/ViewAbstract.php
index 796cc6353..585efe1c7 100644
--- a/Views/ViewAbstract.php
+++ b/Views/ViewAbstract.php
@@ -205,9 +205,7 @@ abstract class ViewAbstract implements \Serializable
      */
     public function serialize()
     {
-        $path = realpath($oldPath = __DIR__ . '/../..' . $this->template . '.tpl.php');
-
-        if ($path === false) {
+        if (!file_exists(__DIR__ . '/../..' . $this->template . '.tpl.php')) {
             return $this->toArray();
         }
 
@@ -247,10 +245,10 @@ abstract class ViewAbstract implements \Serializable
      */
     public function render() : string
     {
-        $path = realpath($oldPath = __DIR__ . '/../..' . $this->template . '.tpl.php');
+        $path = __DIR__ . '/../..' . $this->template . '.tpl.php';
 
-        if ($path === false) {
-            throw new PathException($oldPath);
+        if (!file_exists($path)) {
+            throw new PathException($path);
         }
 
         ob_start();