diff --git a/calculations.c b/calculator/calculations.c
similarity index 75%
rename from calculations.c
rename to calculator/calculations.c
index 46e62b2..8117b52 100644
--- a/calculations.c
+++ b/calculator/calculations.c
@@ -4,7 +4,7 @@
 void getInputArr(int *arrSize, int **arr);
 void println(char *printString, float printNum);
 int findMax(int arr[], int arrSize);
-float calcAverage(int arr[], int arrSize);
+float calcAverage(int *arr, int arrSize);
 
 int main() {
     int arr[] = {10, 20, 30, 40, 50};
@@ -25,9 +25,11 @@ int main() {
     getInputArr(&myArrSize, &myArr);
 
     for (int i = 0; i < myArrSize; i++) {
-	printf("Element No.%i: %i\n", i, myArr[i]);
+        printf("Element No.%i: %i\n", i, myArr[i]);
     }
 
+    println("Average of Elements in Dynamic MyArray: ", calcAverage(myArr, myArrSize));
+
     free(myArr);
     return 0;
 }
@@ -36,11 +38,11 @@ void getInputArr(int *arrSize, int **myArr) {
     printf("Please Enter Length of Array: \n");
     scanf("%i", arrSize);
 
-    *myArr = (int *) malloc(*arrSize * sizeof(int));
+    *myArr = malloc(*arrSize * sizeof(int));
 
     printf("Enter %i Numbers!\n", *arrSize);
     for (int i = 0; i < *arrSize; i++) {
-	scanf("%i", &((*myArr)[i]));
+        scanf("%i", &((*myArr)[i]));
     }
 }
 
@@ -51,17 +53,17 @@ void println(char *printString, float printNum) {
 int findMax(int arr[], int arrSize) {
     int max = arr[0];
     for (int i = 1; i < arrSize; i++) { 
-	if (arr[i] >= max) {
-	    max = arr[i];
-	}
+        if (arr[i] >= max) {
+            max = arr[i];
+        }
     }
     return max;
 }
 
-float calcAverage(int arr[], int arrSize) {
+float calcAverage(int *arr, int arrSize) {
     int sum = 0;
     for (int i = 0; i < arrSize; i++) {
-	sum += arr[i];
+        sum += arr[i];
     }
-    return sum / arrSize;
+    return (float) sum / arrSize;
 }
diff --git a/hello.c b/hello-world/hello.c
similarity index 100%
rename from hello.c
rename to hello-world/hello.c