diff --git a/Calculator.c b/Calculator.c
new file mode 100644
index 0000000..0a2b7a6
--- /dev/null
+++ b/Calculator.c
@@ -0,0 +1,73 @@
+
+#include<stdio.h>
+void main()
+{
+    char ch,f='y';
+    int n,a,b,d,c=0,e=1;
+
+    do
+    {
+        printf("Enter the operation to be perform(+,-,*,/,%)");
+        fflush(stdin);
+        scanf("%c",&ch);
+        switch(ch)
+        {
+            case'+':
+                 printf("\n How many numbers you want to add");
+                 scanf("%d",&n);
+                 for(a=1;a<=n;a++)
+                 {
+                     printf("Enter the number");
+                     scanf("%d",&b);
+                     c+=b;
+                 }
+                 printf("\n sum is:%d \n",c);
+                 break;
+            case'-':
+                 printf("Enter the number from which you want to sub");
+                 scanf("%d",&b);
+                 printf("\n How many numbers you want to  sub from %d-",b);
+                 scanf("%d",&n);
+            
+                 for(a=1;a<=n;a++)
+                 {
+                     printf("\n Enter the numbers to sub from %d-",b);
+                     scanf("%d",&d);
+                       b-=d;
+                 }
+                 printf("\n difference is:%d \n",b);
+                 break;
+            case'*':
+                printf("\n How many numbers you want to multiply");
+                scanf("%d",&n);
+                 for(a=1;a<=n;a++)
+                {
+                     printf("Enter the number");
+                     scanf("%d",&b);
+                     e*=b;
+                }
+                printf("\n Ans is:%d \n",e);
+                break;    
+            case'/':
+                   printf("Enter the number  which you want to divide");
+                scanf("%d",&b);
+                printf("Enter the number by which you want to divide %d-",b);
+                scanf("%d",&a);
+                n=b/a;
+                printf("\n Ans is:%d \n",n);
+                break;
+            case'%':
+                  printf("Enter the number  of which you want percentage");
+                 scanf("%d",&b);
+                 printf("how many percent you want to calculate ");
+                 scanf("%d",&a);
+                 e=b*a/100;
+                 printf(" percentage amount is:%d \n",e);
+                 break;
+           
+        }
+        
+		printf("Do you want to continue(y,n)");
+         scanf("%d",&f); 
+		 fflush(stdin);}while(f!='n');
+}