diff --git a/README.org b/README.org
index faddd0d..3472915 100644
--- a/README.org
+++ b/README.org
@@ -2174,7 +2174,7 @@ list detailing and motivating each listing:
      (lilypond . ,(fboundp 'lilypond-mode))
      (lisp . t)
      (lua . ,(fboundp 'lua-mode))
-     (maxima . ,(fboundp 'maxima-mode))
+     (maxima . t)
      (org . t)
      (perl . t)
      ;; Beware: Python activation must not call still unbound functions.
@@ -2920,8 +2920,8 @@ Return a list of items where the filename is the `car' of each item and the
 #+RESULTS: lst:org-babel-active-languages
 #+begin_src emacs-lisp -n :eval never :tangle no
 (("calc") ("conf") ("emacs-lisp") ("eshell") ("fortran") ("js")
- ("latex") ("latex-extra-header") ("latex-header") ("lisp") ("org")
- ("perl") ("python") ("shell") ("text") ("toml"))
+ ("latex") ("latex-extra-header") ("latex-header") ("lisp") ("maxima")
+ ("org") ("perl") ("python") ("ruby") ("shell") ("text") ("toml"))
 #+end_src
 
 *** [[https://github.com/bdarcus/citar][Citar: citing bibliography]] with [[https://orgmode.org/][Org Mode]]
@@ -5329,27 +5329,28 @@ byte code:
   (add-to-list 'auto-mode-alist `(,(rx ".go" eos) . go-ts-mode)))
 #+end_src
 
-** [[info:maxima#Top][Maxima Programming (info)]]                                       :noexport:
+** [[info:maxima#Top][Maxima Programming (info)]]
 :PROPERTIES:
 :CUSTOM_ID: sec:maxima-programming
-:header-args:emacs-lisp: :tangle no
 :END:
 
-Listing [[lst:configure-maxima]] configures [[https://gitlab.com/sasanidas/maxima][Maxima Mode]]. The following list contains
-more information:
-1. [[https://gitlab.com/sasanidas/maxima][Maxima Mode]] is an Emacs interface to the computer algebra system [[https://en.wikipedia.org/wiki/Maxima_(software)][Maxima]].
+Listing [[lst:configure-maxima]] configures the built-in =maxima= library. The
+following list contains more information:
+1. [[https://gitlab.com/sasanidas/maxima][Maxima Mode]] is an archived Emacs interface to the computer algebra system [[https://en.wikipedia.org/wiki/Maxima_(software)][Maxima]].
 2. [[https://orgmode.org/worg/org-contrib/babel/languages/ob-doc-maxima.html][Maxima Source Code Blocks in Org Mode]] shows how to use [[https://en.wikipedia.org/wiki/Maxima_(software)][Maxima]] in [[https://orgmode.org/][Org Mode]].
 3. [[https://home.csulb.edu/~woollett/mbe.html][Maxima By Example]] is a tutorial for [[https://en.wikipedia.org/wiki/Maxima_(software)][Maxima]].
-Listing [[lst:maxima-example]] is a minimal example of how to use how to use [[https://en.wikipedia.org/wiki/Maxima_(software)][Maxima]]
-in [[https://orgmode.org/][Org Mode]].
+Listing [[lst:maxima-example]] is a minimal example of how to use [[info:maxima#Top][Maxima (info)]] in
+[[https://orgmode.org/][Org Mode]] and it can work without the built-in =maxima= library or [[https://gitlab.com/sasanidas/maxima][Maxima Mode]].
+Enabling =maxima-mode= serves only to fontify the code.
 
 #+caption[Configure =maxima=]:
 #+caption: Configure =maxima=.
 #+name: lst:configure-maxima
 #+begin_src emacs-lisp -n :results silent
-(when (ensure-package-installation 'maxima 'company-maxima)
-  (add-hook 'maxima-mode-hook #'maxima-hook-function)
-  (add-hook 'maxima-inferior-mode-hook #'maxima-hook-function)
+(when (require 'maxima nil t)
+  ;; In case of https://gitlab.com/sasanidas/maxima, uncomment the next 2 lines:
+  ;; (add-hook 'maxima-mode-hook #'maxima-hook-function)
+  ;; (add-hook 'maxima-inferior-mode-hook #'maxima-hook-function)
   (add-to-list 'auto-mode-alist
                (cons "\\.mac\\'" 'maxima-mode))
   (add-to-list 'interpreter-mode-alist
@@ -5358,9 +5359,25 @@ in [[https://orgmode.org/][Org Mode]].
 
 #+caption[Maxima example]:
 #+caption: Maxima example.
+#+caption: The code is fontified because =maxima-mode= is enabled.
+#+header: :wrap "src text -n"
 #+name: lst:maxima-example
-#+begin_src maxima -n :exports code :results silent
-print(1+1);
+#+begin_src maxima -n :batch batch :cmdline --quiet :exports both :results raw
+rat(1/(x+1) + x/(x-1));
+#+end_src
+
+#+caption[Maxima example results]:
+#+caption: Maxima example results.
+#+name: lst:maxima-example-results
+#+results: lst:maxima-example
+#+begin_src text -n
+(%i1) (linenum:0,
+(%i1) rat(1/(x+1)+x/(x-1))
+                                  2
+                                 x  + 2 x - 1
+(%o1)/R/                         ------------
+                                     2
+                                    x  - 1
 #+end_src
 
 ** [[https://www.seas.upenn.edu/~chaoliu/2017/09/01/python-programming-in-emacs/][Python programming]]