From 73a0bb3be274a91a7eeda25e7ea18a0150cbd1e6 Mon Sep 17 00:00:00 2001
From: ulaulaman <34242086+ulaulaman@users.noreply.github.com>
Date: Wed, 17 Apr 2019 10:04:09 +0200
Subject: [PATCH] Update README.md

---
 README.md | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/README.md b/README.md
index f53efab..c5b9a1f 100644
--- a/README.md
+++ b/README.md
@@ -8,6 +8,9 @@
 * Equinoxes and solstices:
   * italian language: [tex source](https://github.com/ulaulaman/tikzdraw/blob/master/equinox_solstice-it.tex) | [pdf](https://github.com/ulaulaman/tikzdraw/blob/master/pdf/equinozi_solstizi.pdf)
   * english language: [tex source](https://github.com/ulaulaman/tikzdraw/blob/master/equinox_solstice-en.tex) | [pdf](https://github.com/ulaulaman/tikzdraw/blob/master/pdf/equinoxes_solstices.pdf)
+  
+* Eratosthenes method for determining the size of the Earth:
+  * italian language: [tex source](https://github.com/ulaulaman/tikzdraw/blob/master/eratosthenes-it.tex) | [pdf](https://github.com/ulaulaman/tikzdraw/blob/master/pdf/eratosthenes-it.pdf)
 
 ## Graphics