diff --git a/computer_oriented_statistical_methods/simpson's 1-3rd rule.c b/computer_oriented_statistical_methods/simpson's 1-3rd rule.c
index 7c04b89c..fe083b89 100644
--- a/computer_oriented_statistical_methods/simpson's 1-3rd rule.c	
+++ b/computer_oriented_statistical_methods/simpson's 1-3rd rule.c	
@@ -1,34 +1,41 @@
-#include<conio.h>
 #include<stdio.h>
 #include<math.h> 
-float f(float x)
+
+float f(float x) 
 {
-	return 1.0+x*x*x;
+	return 1.0+x*x*x; //This is the expresion of the function to integrate?
 }
+
 void main()
 {
 	int i,n;
 	float a,b,h,x,s2,s3,sum,integral;
-	printf("enter the lower limit of the integration");
-	sacnf("%f",&a);
-	printf("enter the upper limit of the integration");
-	sacnf("%f",&b);
-	printf("enter the number of intervals");
-	sacnf("%d",&n);
+	
+	printf("enter the lower limit of the integration:");
+	scanf("%f",&a);
+	printf("enter the upper limit of the integration:");
+	scanf("%f",&b);
+	printf("enter the number of intervals:");
+	scanf("%d",&n);
+	
 	h=(b-a)/n;
 	sum=f(a)+f(b);
 	s2=s3=0.0;
-	for(i=1;i<n;i+=3)
+
+  for(i=1;i<n;i+=3)
 	{
 		x=a+i*h;
 		s3=s3+f(x)+f(x+h);
 	}
-	for(i=3;i<n;i+=3)
+
+  for(i=3;i<n;i+=3)
 	{
 		x=a+i*h;
 		s2=s2+f(x);
 	}
-	intgral=(h/3.0)*(sum+2*s2+4*s3);
-	printf("\nvalue of the integral =%9.4f\n",integral);
-	getch();
+	
+	integral=(h/3.0)*(sum+2*s2+4*s3);
+	printf("\nValue of the integral = %9.4f\n",integral);
+	
+	return 0;
 }
\ No newline at end of file