From: Andrew Lorimer <andrew@lorimer.id.au>
Date: Wed, 6 Mar 2019 02:03:35 +0000 (+1100)
Subject: [methods] eulers number
X-Git-Tag: yr12~220
X-Git-Url: https://git.lorimer.id.au/notes.git/diff_plain/e656acf15490820bd264936cea67b346473f8aef

[methods] eulers number
---

diff --git a/methods/stuff.md b/methods/stuff.md
index 1cbb98b..adbb286 100644
--- a/methods/stuff.md
+++ b/methods/stuff.md
@@ -53,3 +53,7 @@ $\log_a1 = 0$ and $\log_aa = 1$
 ## Inverse functions
 
 Inverse of $f: \mathbb{R} \rightarrow \mathbb{R}, f(x)=a^x$ is $f^{-1}: \mathbb{R}^+ \rightarrow \mathbb{R}, f^{-1}=log_ax$
+
+## Euler's number
+
+$$e= \lim_{n \rightarrow \infty} (1 + {1 \over n})^n$$