From b23a4190d4418721123fcc9c7d0c9408a8df32dc Mon Sep 17 00:00:00 2001
From: Andrew Lorimer <andrew@lorimer.id.au>
Date: Mon, 6 May 2019 17:22:21 +1000
Subject: [PATCH] [spec] fundamental theorem of calculus

---
 spec/calculus.md | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/spec/calculus.md b/spec/calculus.md
index 671f0fa..b454072 100644
--- a/spec/calculus.md
+++ b/spec/calculus.md
@@ -326,3 +326,11 @@ $$f(x) = {P(x) \over Q(x)} \quad \text{where } P, Q \text{ are polynomial functi
 - when two graphs have the same ordinate, $y$-coordinate is double the ordinate
 - when two graphs have opposite ordinates, $y$-coordinate is 0 i.e. ($x$-intercept)
 - when one of the ordinates is 0, the resulting ordinate is equal to the other ordinate
+
+## Fundamental theorem of calculus
+
+If $f$ is continuous on $[a, b]$, then
+
+$$\int^b_a f(x) \> dx = F(b) - F(a)$$
+
+where $F$ is any antiderivative of $f$
-- 
2.43.2