From 0bc414aebbaa28ce4e58338defea9aa3e9696386 Mon Sep 17 00:00:00 2001
From: Andrew Lorimer <andrew@lorimer.id.au>
Date: Mon, 25 Feb 2019 11:05:45 +1100
Subject: [PATCH] start exponential functions notes

---
 methods/stuff.md | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/methods/stuff.md b/methods/stuff.md
index 37878dd..0424391 100644
--- a/methods/stuff.md
+++ b/methods/stuff.md
@@ -8,7 +8,7 @@ classoption: twocolumn
 header-includes: \pagenumbering{gobble}
 ---
 
-# random methods shit
+# Exponential and Index Functions
 
 ## Index laws
 
@@ -33,4 +33,11 @@ Used for equations without common base exponent
 Or change base:  
 $$\log_b c = {{\log_a c} \over {\log_a b}}$$
 
-If $a<1, \quad \log_{b} a < 0$ (flip inequality operator)
\ No newline at end of file
+If $a<1, \quad \log_{b} a < 0$ (flip inequality operator)
+
+## Exponential functions
+
+$e^x$ - natural exponential function
+
+
+$$\lim_{h \rightarrow 0} {{e^h-1} \over h}=1$$
\ No newline at end of file
-- 
2.43.2