diff --git a/build/test/cache/test_divide.c b/build/test/cache/test_divide.c
new file mode 100644
index 0000000..3763fc5
--- /dev/null
+++ b/build/test/cache/test_divide.c
@@ -0,0 +1,51 @@
+#include "src/main/c/Calculator/calculator.h"
+#include "/var/lib/gems/3.0.0/gems/ceedling-0.31.1/vendor/unity/src/unity.h"
+
+
+
+
+
+
+void setUp(void){
+
+
+
+}
+
+void tearDown(void){
+
+}
+
+
+
+
+
+void test_divide(void){
+
+
+
+    double num1 = 9;
+
+    double num2 = 3;
+
+    double division = num1 / num2;
+
+    double result;
+
+
+
+
+
+    result = division;
+
+
+
+
+
+    UnityAssertEqualNumber((UNITY_INT)((3)), (UNITY_INT)((result)), (
+
+   ((void *)0)
+
+   ), (UNITY_UINT)(24), UNITY_DISPLAY_STYLE_INT);
+
+}
diff --git a/build/test/dependencies/test_divide.d b/build/test/dependencies/test_divide.d
new file mode 100644
index 0000000..172e1ec
--- /dev/null
+++ b/build/test/dependencies/test_divide.d
@@ -0,0 +1,4 @@
+build/test/out/c/test_divide.o: test/Calculator/test_divide.c \
+ /var/lib/gems/3.0.0/gems/ceedling-0.31.1/vendor/unity/src/unity.h \
+ /var/lib/gems/3.0.0/gems/ceedling-0.31.1/vendor/unity/src/unity_internals.h \
+ src/main/c/Calculator/calculator.h
diff --git a/build/test/dependencies/test_divide_runner.d b/build/test/dependencies/test_divide_runner.d
new file mode 100644
index 0000000..b42c847
--- /dev/null
+++ b/build/test/dependencies/test_divide_runner.d
@@ -0,0 +1,4 @@
+build/test/out/c/test_divide_runner.o: \
+ build/test/runners/test_divide_runner.c \
+ /var/lib/gems/3.0.0/gems/ceedling-0.31.1/vendor/unity/src/unity.h \
+ /var/lib/gems/3.0.0/gems/ceedling-0.31.1/vendor/unity/src/unity_internals.h
diff --git a/build/test/out/c/calculator.o b/build/test/out/c/calculator.o
index a5f276f..b0c6aae 100644
Binary files a/build/test/out/c/calculator.o and b/build/test/out/c/calculator.o differ
diff --git a/build/test/out/c/test_divide.o b/build/test/out/c/test_divide.o
new file mode 100644
index 0000000..211bdcd
Binary files /dev/null and b/build/test/out/c/test_divide.o differ
diff --git a/build/test/out/c/test_divide_runner.o b/build/test/out/c/test_divide_runner.o
new file mode 100644
index 0000000..417d68f
Binary files /dev/null and b/build/test/out/c/test_divide_runner.o differ
diff --git a/build/test/out/test_cbrt.out b/build/test/out/test_cbrt.out
index 3cb78e6..a2da86b 100755
Binary files a/build/test/out/test_cbrt.out and b/build/test/out/test_cbrt.out differ
diff --git a/build/test/out/test_divide.out b/build/test/out/test_divide.out
new file mode 100755
index 0000000..9f48e14
Binary files /dev/null and b/build/test/out/test_divide.out differ
diff --git a/build/test/out/test_factorial.out b/build/test/out/test_factorial.out
index 8a59acf..bb6cc10 100755
Binary files a/build/test/out/test_factorial.out and b/build/test/out/test_factorial.out differ
diff --git a/build/test/out/test_log.out b/build/test/out/test_log.out
index 7bdd3bb..75852f7 100755
Binary files a/build/test/out/test_log.out and b/build/test/out/test_log.out differ
diff --git a/build/test/out/test_mod.out b/build/test/out/test_mod.out
index b37fa74..9cc3169 100755
Binary files a/build/test/out/test_mod.out and b/build/test/out/test_mod.out differ
diff --git a/build/test/out/test_pow.out b/build/test/out/test_pow.out
index d7d206f..a9bcd93 100755
Binary files a/build/test/out/test_pow.out and b/build/test/out/test_pow.out differ
diff --git a/build/test/out/test_sqrt.out b/build/test/out/test_sqrt.out
index b6627c7..1301f23 100755
Binary files a/build/test/out/test_sqrt.out and b/build/test/out/test_sqrt.out differ
diff --git a/build/test/preprocess/files/test_divide.c b/build/test/preprocess/files/test_divide.c
new file mode 100644
index 0000000..3763fc5
--- /dev/null
+++ b/build/test/preprocess/files/test_divide.c
@@ -0,0 +1,51 @@
+#include "src/main/c/Calculator/calculator.h"
+#include "/var/lib/gems/3.0.0/gems/ceedling-0.31.1/vendor/unity/src/unity.h"
+
+
+
+
+
+
+void setUp(void){
+
+
+
+}
+
+void tearDown(void){
+
+}
+
+
+
+
+
+void test_divide(void){
+
+
+
+    double num1 = 9;
+
+    double num2 = 3;
+
+    double division = num1 / num2;
+
+    double result;
+
+
+
+
+
+    result = division;
+
+
+
+
+
+    UnityAssertEqualNumber((UNITY_INT)((3)), (UNITY_INT)((result)), (
+
+   ((void *)0)
+
+   ), (UNITY_UINT)(24), UNITY_DISPLAY_STYLE_INT);
+
+}
diff --git a/build/test/preprocess/includes/test_divide.c b/build/test/preprocess/includes/test_divide.c
new file mode 100644
index 0000000..f2efae7
--- /dev/null
+++ b/build/test/preprocess/includes/test_divide.c
@@ -0,0 +1,3 @@
+---
+- "/var/lib/gems/3.0.0/gems/ceedling-0.31.1/vendor/unity/src/unity.h"
+- src/main/c/Calculator/calculator.h
diff --git a/build/test/results/test_cbrt.pass b/build/test/results/test_cbrt.pass
index b51bba7..e95950c 100644
--- a/build/test/results/test_cbrt.pass
+++ b/build/test/results/test_cbrt.pass
@@ -15,4 +15,4 @@
   :failed: 0
   :ignored: 0
 :stdout: []
-:time: 0.002984535996802151
+:time: 0.0006476099952124059
diff --git a/build/test/results/test_divide.pass b/build/test/results/test_divide.pass
new file mode 100644
index 0000000..421094a
--- /dev/null
+++ b/build/test/results/test_divide.pass
@@ -0,0 +1,18 @@
+---
+:source:
+  :path: test/Calculator
+  :file: test_divide.c
+:successes:
+- :test: test_divide
+  :line: 13
+  :message: ''
+  :unity_test_time: 0
+:failures: []
+:ignores: []
+:counts:
+  :total: 1
+  :passed: 1
+  :failed: 0
+  :ignored: 0
+:stdout: []
+:time: 0.007046165002975613
diff --git a/build/test/results/test_factorial.pass b/build/test/results/test_factorial.pass
index 2836ba0..97232a1 100644
--- a/build/test/results/test_factorial.pass
+++ b/build/test/results/test_factorial.pass
@@ -15,4 +15,4 @@
   :failed: 0
   :ignored: 0
 :stdout: []
-:time: 0.004264043003786355
+:time: 0.0032789550023153424
diff --git a/build/test/results/test_log.pass b/build/test/results/test_log.pass
index fea15b6..2416b02 100644
--- a/build/test/results/test_log.pass
+++ b/build/test/results/test_log.pass
@@ -15,4 +15,4 @@
   :failed: 0
   :ignored: 0
 :stdout: []
-:time: 0.0032400870113633573
+:time: 0.0031624000112060457
diff --git a/build/test/results/test_mod.pass b/build/test/results/test_mod.pass
index bf8198a..75d7c0c 100644
--- a/build/test/results/test_mod.pass
+++ b/build/test/results/test_mod.pass
@@ -15,4 +15,4 @@
   :failed: 0
   :ignored: 0
 :stdout: []
-:time: 0.0043334150104783475
+:time: 0.0031652229954488575
diff --git a/build/test/results/test_multiply.pass b/build/test/results/test_multiply.pass
index 1384372..8299cd9 100644
--- a/build/test/results/test_multiply.pass
+++ b/build/test/results/test_multiply.pass
@@ -15,4 +15,4 @@
   :failed: 0
   :ignored: 0
 :stdout: []
-:time: 0.00700880799558945
+:time: 0.003240023012040183
diff --git a/build/test/results/test_pow.pass b/build/test/results/test_pow.pass
index 7059cd5..f2c83d1 100644
--- a/build/test/results/test_pow.pass
+++ b/build/test/results/test_pow.pass
@@ -19,4 +19,4 @@
   :failed: 0
   :ignored: 0
 :stdout: []
-:time: 0.006334579986287281
+:time: 0.0032584719883743674
diff --git a/build/test/results/test_sqrt.pass b/build/test/results/test_sqrt.pass
index b70f106..c6ff18b 100644
--- a/build/test/results/test_sqrt.pass
+++ b/build/test/results/test_sqrt.pass
@@ -15,4 +15,4 @@
   :failed: 0
   :ignored: 0
 :stdout: []
-:time: 0.0062521169893443584
+:time: 0.0032074050104711205
diff --git a/build/test/runners/test_divide_runner.c b/build/test/runners/test_divide_runner.c
new file mode 100644
index 0000000..bf39076
--- /dev/null
+++ b/build/test/runners/test_divide_runner.c
@@ -0,0 +1,81 @@
+/* AUTOGENERATED FILE. DO NOT EDIT. */
+
+/*=======Automagically Detected Files To Include=====*/
+#include "unity.h"
+
+int GlobalExpectCount;
+int GlobalVerifyOrder;
+char* GlobalOrderError;
+
+/*=======External Functions This Runner Calls=====*/
+extern void setUp(void);
+extern void tearDown(void);
+extern void test_divide(void);
+
+
+/*=======Mock Management=====*/
+static void CMock_Init(void)
+{
+  GlobalExpectCount = 0;
+  GlobalVerifyOrder = 0;
+  GlobalOrderError = NULL;
+}
+static void CMock_Verify(void)
+{
+}
+static void CMock_Destroy(void)
+{
+}
+
+/*=======Test Reset Options=====*/
+void resetTest(void);
+void resetTest(void)
+{
+  tearDown();
+  CMock_Verify();
+  CMock_Destroy();
+  CMock_Init();
+  setUp();
+}
+void verifyTest(void);
+void verifyTest(void)
+{
+  CMock_Verify();
+}
+
+/*=======Test Runner Used To Run Each Test=====*/
+static void run_test(UnityTestFunction func, const char* name, UNITY_LINE_TYPE line_num)
+{
+    Unity.CurrentTestName = name;
+    Unity.CurrentTestLineNumber = line_num;
+#ifdef UNITY_USE_COMMAND_LINE_ARGS
+    if (!UnityTestMatches())
+        return;
+#endif
+    Unity.NumberOfTests++;
+    UNITY_CLR_DETAILS();
+    UNITY_EXEC_TIME_START();
+    CMock_Init();
+    if (TEST_PROTECT())
+    {
+        setUp();
+        func();
+    }
+    if (TEST_PROTECT())
+    {
+        tearDown();
+        CMock_Verify();
+    }
+    CMock_Destroy();
+    UNITY_EXEC_TIME_STOP();
+    UnityConcludeTest();
+}
+
+/*=======MAIN=====*/
+int main(void)
+{
+  UnityBegin("test_divide.c");
+  run_test(test_divide, "test_divide", 13);
+
+  return UnityEnd();
+}
diff --git a/src/main/c/Calculator/calculator.c b/src/main/c/Calculator/calculator.c
index 3589de7..6854565 100644
--- a/src/main/c/Calculator/calculator.c
+++ b/src/main/c/Calculator/calculator.c
@@ -17,7 +17,7 @@ double log(num1);
 double    sqrt(double num1);
 double cbrt(num1); 
 int multiply (int num1,int num2);
-
+double divide (double num1, double num2);
 
 
     int calculator() {
@@ -184,3 +184,7 @@ int multiply(int num1,int num2){
     int  product = num1 * num2;
     return product;
 }
+double divide(double num1, double num2){
+    double division = num1 / num2;
+    return division;
+}
diff --git a/src/main/c/Calculator/calculator.h b/src/main/c/Calculator/calculator.h
index 73ab918..9e123ee 100644
--- a/src/main/c/Calculator/calculator.h
+++ b/src/main/c/Calculator/calculator.h
@@ -9,4 +9,5 @@ double log(double num1);
 double    sqrt(double num1);
 double cbrt(double num1);
 int multiply(int num1,int num2);
+double divide(double num1,double num2);
 #endif
diff --git a/test/Calculator/test_divide.c b/test/Calculator/test_divide.c
new file mode 100644
index 0000000..6b14a95
--- /dev/null
+++ b/test/Calculator/test_divide.c
@@ -0,0 +1,27 @@
+#ifdef TEST
+#include "unity.h"
+#include "calculator.h"
+
+
+void setUp(void){
+    //Wenn Funktion Vorraussetzungen braucht
+}
+void tearDown(void){
+}
+
+
+void test_divide(void){
+    /* arrange */
+    double num1 = 9;
+    double num2 = 3;
+    double  division = num1 / num2;
+    double result;
+
+    /* act */
+    result = division;
+
+    /* assert */
+    TEST_ASSERT_EQUAL_INT(3, result);// 9 / 3  = 3
+}
+
+#endif // TEST