diff --git a/.vscode/c_cpp_properties.json b/.vscode/c_cpp_properties.json
index c11401d..a50e8e7 100644
--- a/.vscode/c_cpp_properties.json
+++ b/.vscode/c_cpp_properties.json
@@ -1,16 +1,16 @@
 {
-    "configurations": [
-        {
-            "name": "Linux",
-            "includePath": [
-                "${workspaceFolder}/**"
-            ],
-            "defines": [],
-            "compilerPath": "/usr/bin/gcc",
-            "cStandard": "c17",
-            "cppStandard": "c++98",
-            "intelliSenseMode": "linux-gcc-x64"
-        }
-    ],
-    "version": 4
+  "configurations": [
+    {
+      "name": "linux-gcc-x64",
+      "includePath": [
+        "${workspaceFolder}/**"
+      ],
+      "defines": [],
+      "compilerPath": "/usr/bin/gcc",
+      "cStandard": "${default}",
+      "cppStandard": "${default}",
+      "intelliSenseMode": "linux-gcc-x64"
+    }
+  ],
+  "version": 4
 }
\ No newline at end of file
diff --git a/.vscode/launch.json b/.vscode/launch.json
new file mode 100644
index 0000000..4a9efca
--- /dev/null
+++ b/.vscode/launch.json
@@ -0,0 +1,24 @@
+{
+  "version": "0.2.0",
+  "configurations": [
+    {
+      "name": "C/C++ Runner: Debug Session",
+      "type": "cppdbg",
+      "request": "launch",
+      "args": [],
+      "stopAtEntry": false,
+      "externalConsole": false,
+      "cwd": "/home/js/Desktop/caschenrechner/src/test/c",
+      "program": "/home/js/Desktop/caschenrechner/src/test/c/build/Debug/outDebug",
+      "MIMode": "gdb",
+      "miDebuggerPath": "gdb",
+      "setupCommands": [
+        {
+          "description": "Enable pretty-printing for gdb",
+          "text": "-enable-pretty-printing",
+          "ignoreFailures": true
+        }
+      ]
+    }
+  ]
+}
\ No newline at end of file
diff --git a/.vscode/settings.json b/.vscode/settings.json
index 355d4a1..f168e7d 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -1,8 +1,9 @@
 {
-    "C_Cpp.errorSquiggles": "disabled",
-    "files.associations": {
-        "testforoperator.h": "c",
-        "testfornumber.h": "c",
-        "programmingmode.h": "c"
-    }
+  "C_Cpp.errorSquiggles": "disabled",
+  "files.associations": {
+    "testforoperator.h": "c",
+    "testfornumber.h": "c",
+    "programmingmode.h": "c"
+  },
+  "C_Cpp_Runner.msvcBatchPath": ""
 }
\ No newline at end of file
diff --git a/src/main/c/programmingMode.c b/src/main/c/programmingMode.c
index b96b77c..7457a95 100644
--- a/src/main/c/programmingMode.c
+++ b/src/main/c/programmingMode.c
@@ -38,7 +38,6 @@ int performOperation(int num1, char operatorType, int num2) {
             if (num2 != 0) {
                 return num1 / num2;
             } else {
-                printf("Error: Division by zero\n");
                 return 0;
             }
         default:
diff --git a/src/test/c/test_calculator.c b/src/test/c/test_calculator.c
index dde64f2..641fceb 100644
--- a/src/test/c/test_calculator.c
+++ b/src/test/c/test_calculator.c
@@ -192,3 +192,10 @@ void test_performOperation_Division(void) {
     // Assert
     TEST_ASSERT_EQUAL_INT(4, result);
 }
+
+// Test case for dividing by zero
+void test_performOperation_division_by_zero(void) {
+   
+    TEST_ASSERT_EQUAL_INT(0, performOperation(10, '/', 0));
+
+}
diff --git a/target/test/cache/test_calculator.c b/target/test/cache/test_calculator.c
index b5bac52..3289aba 100644
--- a/target/test/cache/test_calculator.c
+++ b/target/test/cache/test_calculator.c
@@ -500,3 +500,21 @@ void test_performOperation_Division(void) {
    ), (UNITY_UINT)(193), UNITY_DISPLAY_STYLE_INT);
 
 }
+
+
+
+
+
+void test_performOperation_division_by_zero(void) {
+
+
+
+    UnityAssertEqualNumber((UNITY_INT)((0)), (UNITY_INT)((performOperation(10, '/', 0))), (
+
+   ((void *)0)
+
+   ), (UNITY_UINT)(199), UNITY_DISPLAY_STYLE_INT);
+
+
+
+}
diff --git a/target/test/out/c/programmingMode.o b/target/test/out/c/programmingMode.o
index 8217c85..55810a2 100644
Binary files a/target/test/out/c/programmingMode.o and b/target/test/out/c/programmingMode.o differ
diff --git a/target/test/out/c/test_calculator.o b/target/test/out/c/test_calculator.o
index 4ed0c13..1761a8b 100644
Binary files a/target/test/out/c/test_calculator.o and b/target/test/out/c/test_calculator.o differ
diff --git a/target/test/out/c/test_calculator_runner.o b/target/test/out/c/test_calculator_runner.o
index 8086889..53d8bb4 100644
Binary files a/target/test/out/c/test_calculator_runner.o and b/target/test/out/c/test_calculator_runner.o differ
diff --git a/target/test/out/test_calculator.out b/target/test/out/test_calculator.out
index 5c3f8d4..eb060c8 100755
Binary files a/target/test/out/test_calculator.out and b/target/test/out/test_calculator.out differ
diff --git a/target/test/preprocess/files/test_calculator.c b/target/test/preprocess/files/test_calculator.c
index b5bac52..3289aba 100644
--- a/target/test/preprocess/files/test_calculator.c
+++ b/target/test/preprocess/files/test_calculator.c
@@ -500,3 +500,21 @@ void test_performOperation_Division(void) {
    ), (UNITY_UINT)(193), UNITY_DISPLAY_STYLE_INT);
 
 }
+
+
+
+
+
+void test_performOperation_division_by_zero(void) {
+
+
+
+    UnityAssertEqualNumber((UNITY_INT)((0)), (UNITY_INT)((performOperation(10, '/', 0))), (
+
+   ((void *)0)
+
+   ), (UNITY_UINT)(199), UNITY_DISPLAY_STYLE_INT);
+
+
+
+}
diff --git a/target/test/results/test_calculator.pass b/target/test/results/test_calculator.pass
index 8999b26..7b87122 100644
--- a/target/test/results/test_calculator.pass
+++ b/target/test/results/test_calculator.pass
@@ -119,12 +119,16 @@
   :line: 185
   :message: ''
   :unity_test_time: 0
+- :test: test_performOperation_division_by_zero
+  :line: 197
+  :message: ''
+  :unity_test_time: 0
 :failures: []
 :ignores: []
 :counts:
-  :total: 29
-  :passed: 29
+  :total: 30
+  :passed: 30
   :failed: 0
   :ignored: 0
 :stdout: []
-:time: 0.001314320999881602
+:time: 0.0015222660003928468
diff --git a/target/test/runners/test_calculator_runner.c b/target/test/runners/test_calculator_runner.c
index c2033f8..9459746 100644
--- a/target/test/runners/test_calculator_runner.c
+++ b/target/test/runners/test_calculator_runner.c
@@ -39,6 +39,7 @@ extern void test_exponentialFunction(void);
 extern void test_performOperation_Subtraction(void);
 extern void test_performOperation_Multiplication(void);
 extern void test_performOperation_Division(void);
+extern void test_performOperation_division_by_zero(void);
 
 
 /*=======Mock Management=====*/
@@ -132,6 +133,7 @@ int main(void)
   run_test(test_performOperation_Subtraction, "test_performOperation_Subtraction", 161);
   run_test(test_performOperation_Multiplication, "test_performOperation_Multiplication", 173);
   run_test(test_performOperation_Division, "test_performOperation_Division", 185);
+  run_test(test_performOperation_division_by_zero, "test_performOperation_division_by_zero", 197);
 
   return UnityEnd();
 }