diff --git a/C4/correct_answer.c b/C4/Correct_answer/correct_answer.c
similarity index 100%
rename from C4/correct_answer.c
rename to C4/Correct_answer/correct_answer.c
diff --git a/C4/wrong_answer.c b/C4/Wrong_answer/wrong_answer.c
similarity index 50%
rename from C4/wrong_answer.c
rename to C4/Wrong_answer/wrong_answer.c
index ec78a2a..d5eceb4 100644
--- a/C4/wrong_answer.c
+++ b/C4/Wrong_answer/wrong_answer.c
@@ -3,15 +3,18 @@
 
 int main(void)
 {
-    // Declare and initialiase as required
+    // Declare and initialise as required
     int a = 1,b = 4;
     float ans;
 
-    ans = a / b;	    // Perform calculation
+    // Perform calculation 
+    // a and b are integers so the answer will be the result of the integer division
+    
+    ans = a / b;
 
     // Display answer
     printf ("\nThe answer is %f",ans);
-    
-    // Exit from program
+
     return 0;
+
 }
\ No newline at end of file
diff --git a/C4/poor_layout.c b/C4/poor_layout/poor_layout.c
similarity index 100%
rename from C4/poor_layout.c
rename to C4/poor_layout/poor_layout.c
diff --git a/C5/formatting_numbers.c b/C5/FormattingNumbers/formatting_numbers.c
similarity index 100%
rename from C5/formatting_numbers.c
rename to C5/FormattingNumbers/formatting_numbers.c
diff --git a/C7/getchar_example.c b/C7/Getchar/getchar_example.c
similarity index 91%
rename from C7/getchar_example.c
rename to C7/Getchar/getchar_example.c
index ecc93b0..4f26421 100644
--- a/C7/getchar_example.c
+++ b/C7/Getchar/getchar_example.c
@@ -6,6 +6,7 @@ int main(void)
     // declare variable
     char c;
 
+    printf("Input a character: ");
     // Wait for a kepypress, store result in c
     c = getchar();
 
diff --git a/C7/scanf_example_1.c b/C7/Scanf1/scanf_example_1.c
similarity index 100%
rename from C7/scanf_example_1.c
rename to C7/Scanf1/scanf_example_1.c
diff --git a/C7/scanf_example_2.c b/C7/Scanf2/scanf_example_2.c
similarity index 100%
rename from C7/scanf_example_2.c
rename to C7/Scanf2/scanf_example_2.c
diff --git a/LC10/simple_functions_1.c b/LC10/SimpleFunctions1/simple_functions_1.c
similarity index 95%
rename from LC10/simple_functions_1.c
rename to LC10/SimpleFunctions1/simple_functions_1.c
index 058d7ab..d94ecc5 100644
--- a/LC10/simple_functions_1.c
+++ b/LC10/SimpleFunctions1/simple_functions_1.c
@@ -13,12 +13,7 @@
 */
 
 
-float CalculateAreaOfCircle ( float radius )
-{
-	float area;
-	area = M_PI * radius * radius ;
-	return (area) ;
-}
+float CalculateAreaOfCircle ( float radius );
 
 
 /* Show use of function  */
@@ -45,3 +40,10 @@ int main (void)
 	// All done
 	return 0;
 }
+
+float CalculateAreaOfCircle ( float radius )
+{
+	float area;
+	area = M_PI * radius * radius ;
+	return (area) ;
+}
\ No newline at end of file
diff --git a/LC10/simple_functions_2.c b/LC10/SimpleFunctions2/simple_functions_2.c
similarity index 95%
rename from LC10/simple_functions_2.c
rename to LC10/SimpleFunctions2/simple_functions_2.c
index 3b70441..46ec4ab 100644
--- a/LC10/simple_functions_2.c
+++ b/LC10/SimpleFunctions2/simple_functions_2.c
@@ -32,8 +32,8 @@ int main (void)
 	// Prompt for and obtain values
 	printf ("Please enter the radius of the cylinder: ");
 	scanf ("%f", &rad);
-ad
-    	printf ("Please enter the length of the cylinder: ");
+
+    printf ("Please enter the length of the cylinder: ");
 	scanf ("%f", &len);
 
 	// Use our function to calculate the area
diff --git a/LC12/global_ex1.c b/LC12/Global1/global_ex1.c
similarity index 100%
rename from LC12/global_ex1.c
rename to LC12/Global1/global_ex1.c
diff --git a/LC12/global_ex2.c b/LC12/Global2/global_ex2.c
similarity index 100%
rename from LC12/global_ex2.c
rename to LC12/Global2/global_ex2.c
diff --git a/LC12/global_ex3.c b/LC12/Global3/global_ex3.c
similarity index 100%
rename from LC12/global_ex3.c
rename to LC12/Global3/global_ex3.c
diff --git a/LC21/simple.c b/LC21/Simple/simple.c
similarity index 100%
rename from LC21/simple.c
rename to LC21/Simple/simple.c
diff --git a/LC5/printf_example.exe b/LC5/printf_example.exe
deleted file mode 100644
index 6e6e745..0000000
Binary files a/LC5/printf_example.exe and /dev/null differ
diff --git a/LC7/fgets_string.c b/LC7/FgetsString/fgets_string.c
similarity index 76%
rename from LC7/fgets_string.c
rename to LC7/FgetsString/fgets_string.c
index a6471c1..677f8c0 100644
--- a/LC7/fgets_string.c
+++ b/LC7/FgetsString/fgets_string.c
@@ -8,13 +8,13 @@
 int main()
 {
 
-  char MyName[50];              /* Define a string of 10 characters */
+  char MyName[11];              /* Define a string of 10 characters */
 
 
   /* A string */
 
   printf("\nPlease enter your name & press return ");
-  fgets(MyName, 80, stdin);
+  fgets(MyName, 11, stdin);
   printf("\nHello %s ",MyName);
 
   return 0;     /* End of the program   */
diff --git a/LC7/getch.c b/LC7/Getch/getch.c
similarity index 85%
rename from LC7/getch.c
rename to LC7/Getch/getch.c
index 98f7990..d92a07f 100644
--- a/LC7/getch.c
+++ b/LC7/Getch/getch.c
@@ -15,9 +15,10 @@ int main(void)
 
     char x;				/* Define a variable of type char */
 
+    printf("Input a character: ");
     x = getch();		/* Use getchar to read a keypress and store the */
                         /* result in 'x' */
-
+    printf("\nDisplaying the char with putchar: ");
     putchar(x);			/* Display the character stored in 'x' on the */
                         /* screen using putchar */
 
diff --git a/LC7/gets_string.c b/LC7/GetsString/gets_string.c
similarity index 84%
rename from LC7/gets_string.c
rename to LC7/GetsString/gets_string.c
index 2a7c94b..c4f15a8 100644
--- a/LC7/gets_string.c
+++ b/LC7/GetsString/gets_string.c
@@ -8,7 +8,7 @@
 int main( void )
 {
 
-  char MyName[50];              /* Define a string of 10 characters */
+  char MyName[10];              /* Define a string of 10 characters */
 
 
   /* A string */
diff --git a/LC7/scanf_string.c b/LC7/ScanfString/scanf_string.c
similarity index 100%
rename from LC7/scanf_string.c
rename to LC7/ScanfString/scanf_string.c
diff --git a/LC8/complex_if.c b/LC8/ComplexIf/complex_if.c
similarity index 94%
rename from LC8/complex_if.c
rename to LC8/ComplexIf/complex_if.c
index 3d70e30..8839daa 100644
--- a/LC8/complex_if.c
+++ b/LC8/ComplexIf/complex_if.c
@@ -1,4 +1,4 @@
-/* EEEE1001/H61CAE Chapter 8 */
+/* MMME3085 Chapter 8 */
 
 /* Example of a simple if statements */
 
diff --git a/LC8/if_else_if_else.c b/LC8/IfElseIfElse/if_else_if_else.c
similarity index 91%
rename from LC8/if_else_if_else.c
rename to LC8/IfElseIfElse/if_else_if_else.c
index 40bb1bf..d3dcf7d 100644
--- a/LC8/if_else_if_else.c
+++ b/LC8/IfElseIfElse/if_else_if_else.c
@@ -11,7 +11,7 @@
 int main( void )
 {
 
-    int x = 55;	// Define and intialise variable
+    int x = 3;	// Define and intialise variable
 
 
     if ( x == 2 )
diff --git a/LC8/if_equals_example.c b/LC8/IfEquals/if_equals_example.c
similarity index 95%
rename from LC8/if_equals_example.c
rename to LC8/IfEquals/if_equals_example.c
index 659589c..f3047e1 100644
--- a/LC8/if_equals_example.c
+++ b/LC8/IfEquals/if_equals_example.c
@@ -1,4 +1,4 @@
-/* EEEE1001/H61CAE Chapter 8 */
+/* MMME3085 Chapter 8 */
 
 /* Incorrect use of a single equals sign in an if statement */
 
diff --git a/LC8/if_examples.c b/LC8/IfExamples/if_examples.c
similarity index 100%
rename from LC8/if_examples.c
rename to LC8/IfExamples/if_examples.c
diff --git a/LC8/switch_1.c b/LC8/Switch1/switch_1.c
similarity index 94%
rename from LC8/switch_1.c
rename to LC8/Switch1/switch_1.c
index 65afe5e..114108e 100644
--- a/LC8/switch_1.c
+++ b/LC8/Switch1/switch_1.c
@@ -1,4 +1,4 @@
-/* EEEE1001/H61CAE Chapter 8 */
+/* MMME3085 Chapter 8 */
 
 /* Example of a simple if statements */
 
diff --git a/LC8/switch_2.c b/LC8/Switch2/switch_2.c
similarity index 89%
rename from LC8/switch_2.c
rename to LC8/Switch2/switch_2.c
index 76719cf..4a0c08f 100644
--- a/LC8/switch_2.c
+++ b/LC8/Switch2/switch_2.c
@@ -12,7 +12,7 @@ int main( void )
 {
 
     char c;									/* Define an char */
-    c = getch();						    /* Get value - no return required*/
+    c = getch();						    /* Get value */
 
     switch (c)								/* Start of switch */
     {
diff --git a/LC8/switch_3.c b/LC8/Switch3/switch_3.c
similarity index 100%
rename from LC8/switch_3.c
rename to LC8/Switch3/switch_3.c
diff --git a/LC9/do_while_example.c b/LC9/DoWhile/do_while_example.c
similarity index 100%
rename from LC9/do_while_example.c
rename to LC9/DoWhile/do_while_example.c
diff --git a/LC9/for_loops.c b/LC9/ForLoops/for_loops.c
similarity index 84%
rename from LC9/for_loops.c
rename to LC9/ForLoops/for_loops.c
index 54bccc5..3ee4e10 100644
--- a/LC9/for_loops.c
+++ b/LC9/ForLoops/for_loops.c
@@ -29,6 +29,7 @@ int main(void)
   for ( j = 0 ; j < 10 ; j++ )
     printf("\nThe value of j is %d",j );
 
+  printf("\nThe value of j after increment loop is %d",j);
 
   /* The count down loop */
 
@@ -36,6 +37,7 @@ int main(void)
   for ( j = 10 ; j > 0 ; j-- )
     printf("\nThe value of j is %d",j );
 
+  printf("\nThe value of j after decrement loop is %d",j);
 
   return 0;
 
diff --git a/LC9/while_example_version_1.c b/LC9/While1/while_example_version_1.c
similarity index 100%
rename from LC9/while_example_version_1.c
rename to LC9/While1/while_example_version_1.c
diff --git a/LC9/while_example_version_2.c b/LC9/While2/while_example_version_2.c
similarity index 100%
rename from LC9/while_example_version_2.c
rename to LC9/While2/while_example_version_2.c