diff --git a/.idea/UNI_Python.iml b/.idea/UNI_Python.iml
index 5854a2f..adf23df 100644
--- a/.idea/UNI_Python.iml
+++ b/.idea/UNI_Python.iml
@@ -4,7 +4,7 @@
     <content url="file://$MODULE_DIR$">
       <excludeFolder url="file://$MODULE_DIR$/Virtualenv" />
     </content>
-    <orderEntry type="jdk" jdkName="C:\ProgramData\anaconda3" jdkType="Python SDK" />
+    <orderEntry type="jdk" jdkName="C:\Users\janni\anaconda3" jdkType="Python SDK" />
     <orderEntry type="sourceFolder" forTests="false" />
   </component>
 </module>
\ No newline at end of file
diff --git a/.idea/misc.xml b/.idea/misc.xml
index c20271c..59b5b2e 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -1,4 +1,4 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
-  <component name="ProjectRootManager" version="2" project-jdk-name="C:\ProgramData\anaconda3" project-jdk-type="Python SDK" />
+  <component name="ProjectRootManager" version="2" project-jdk-name="C:\Users\janni\anaconda3" project-jdk-type="Python SDK" />
 </project>
\ No newline at end of file
diff --git a/_pruefung/examples.py b/_pruefung/examples.py
new file mode 100644
index 0000000..69e3131
--- /dev/null
+++ b/_pruefung/examples.py
@@ -0,0 +1,16 @@
+import sys
+
+
+def greet(name):
+    print(f"Hello {name}")
+
+def greet(name, message):
+    print(f"Hello {name}, {message}.")
+
+try:
+    greet("Jan")
+    greet("Jan", "Wie gehts?")
+except Exception as e:
+    print(e)
+
+print(sys.float_info.epsilon)
\ No newline at end of file
diff --git a/ext_02/test.cpp b/ext_02/test.cpp
new file mode 100644
index 0000000..a1ffdbb
--- /dev/null
+++ b/ext_02/test.cpp
@@ -0,0 +1,19 @@
+#include <iostream>
+#include <boost/multiprecision/cpp_dec_float.hpp>
+#include <boost/math/special_functions/factorials.hpp>
+
+namespace mp = boost::multiprecision;
+
+mp::cpp_dec_float_1000 calc(const mp::cpp_dec_float_1000& const_value) {
+    mp::cpp_dec_float_1000 sum = 0;
+    for (int k = 1; k <= 10000; ++k) {
+        sum += pow(const_value, k) / boost::math::factorial<mp::cpp_dec_float_1000>(k);
+    }
+    return sum;
+}
+
+int main() {
+    mp::cpp_dec_float_1000 result = calc(log(mp::cpp_dec_float_1000(2));
+    std::cout << result << std::endl;
+    return 0;
+}
\ No newline at end of file
diff --git a/ext_02/test.py b/ext_02/test.py
new file mode 100644
index 0000000..05b8c4c
--- /dev/null
+++ b/ext_02/test.py
@@ -0,0 +1,14 @@
+import math
+from decimal import Decimal, getcontext
+
+__author__ = "Jan-Niclas Loosen"
+
+
+def calc(const):
+    summe = Decimal(0)
+    for k in range(1, 100):
+        summe += (Decimal(const) ** k) / math.factorial(k)
+    return summe
+
+getcontext().prec = 1000  # Set the precision for Decimal calculations
+print(calc(math.log(2)))