diff --git a/emacs/.emacs b/emacs/.emacs
index 41299ce..be19edc 100644
--- a/emacs/.emacs
+++ b/emacs/.emacs
@@ -33,7 +33,7 @@
  '(menu-bar-mode nil)
  '(package-selected-packages
    (quote
-	(centered-cursor-mode ivy avy heroku-theme auto-complete use-package yasnippet evil-surround org evil-magit magit makefile-runner evil)))
+	(neotree centered-cursor-mode ivy avy heroku-theme auto-complete use-package yasnippet evil-surround org evil-magit magit makefile-runner evil)))
  '(scroll-bar-mode nil)
  '(tool-bar-mode nil))
 (custom-set-faces
@@ -61,6 +61,9 @@
 ;; *.tex files are Latex-Files
 (add-to-list 'auto-mode-alist '("\\.py\\'" . LaTeX-mode))
 
+;; show parens
+(show-paren-mode t)
+
 ;; theme
 (use-package heroku-theme
   :ensure t)
@@ -254,3 +257,28 @@
 
 ;; Change all prompts to y or n
 (fset 'yes-or-no-p 'y-or-n-p)
+
+;; Comment fun
+
+;(defun extend-comment ()
+;  (interactive)
+;  (if (looking-back "//" (line-beginning-position))
+;		(progn
+;		  (newline-and-indent)
+;		  (insert "Hallo Welt"))
+;	  (newline-and-indent)))
+
+;; Show in binary and decimal
+
+;(defun hex-popup ()
+;  (interactive)
+;  (let (hexStr p1 p2)
+;	(save-excursion
+;	  (search-backward-regexp "[^0-9A-Fa-f]" nil t)
+;	  (forward-char)
+;	  (setq p1 (point))
+;	  (search-forward-regexp "[^0-9A-Fa-f]" nil t)
+;	  (backward-char)
+;	  (setq p2 (point)))
+;	(setq hexStr (buffer-substring-no-properties p1 p2))
+;	(message "The hex number is: '%s' '%d' '%d'" hexStr p1 p2)))