diff --git a/Homework4/.DS_Store b/Homework4/.DS_Store
index 7152a52..f6e0a55 100644
Binary files a/Homework4/.DS_Store and b/Homework4/.DS_Store differ
diff --git a/Homework4/CMakeLists.txt b/Homework4/CMakeLists.txt
new file mode 100644
index 0000000..eb80297
--- /dev/null
+++ b/Homework4/CMakeLists.txt
@@ -0,0 +1,6 @@
+cmake_minimum_required (VERSION 3.1)
+project (Particles)
+cmake_policy(VERSION 3.3)
+
+add_subdirectory(src/)
+add_subdirectory(lib/googletest)
diff --git a/Homework4/README.md b/Homework4/README.md
new file mode 100644
index 0000000..fa0ed04
--- /dev/null
+++ b/Homework4/README.md
@@ -0,0 +1,26 @@
+
+# SP4E - Homework 3
+
+----
+
+## General Info
+
+This file provides a brief documentation and information related to the fourth (last) Homework of the course "Scientific Programming for Engineers", fall 2019.
+
+This homework is done by **O. Ashtari** and **A. Sieber**.
+
+Last update: 15.01.2020
+
+----
+
+## Project Description
+
+
+
+----
+
+## Executable Files
+
+
+
+----
diff --git a/Homework4/src/.DS_Store b/Homework4/src/.DS_Store
new file mode 100644
index 0000000..fdc5ab5
Binary files /dev/null and b/Homework4/src/.DS_Store differ