From 09ccafd063e9b67a21e26e50c31801035e548c25 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Lo=C3=AFc=20Gu=C3=A9gan?= <loic.guegan@mailbox.org>
Date: Fri, 12 Jul 2024 21:46:01 +0200
Subject: [PATCH] Minor changes

---
 source/calculus/notations.rst | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/source/calculus/notations.rst b/source/calculus/notations.rst
index 6a8ac2e..b603eab 100644
--- a/source/calculus/notations.rst
+++ b/source/calculus/notations.rst
@@ -12,6 +12,10 @@ The Leibniz's notation expresses the derivative of :math:`f` as :math:`\frac{dy}
 
 More details `here <https://www.me.psu.edu/cimbala/me420/Homework/dydx_quotient_article.html>`__.
 
+.. note::
+   The following :math:`\frac{dx}{dt}` means :math:`x` is a function of :math:`t` such as :math:`x=f(t)`.
+   See explanations `here <https://www.khanacademy.org/math/ap-calculus-ab/ab-diff-contextual-applications-new/ab-4-4/v/differentiating-related-functions-intro>`__.
+
 Lagrange's Notation
 -------------------
 Also cal prime notation