diff --git a/Calculator.c b/Calculator.c
new file mode 100644
index 0000000..8220e33
--- /dev/null
+++ b/Calculator.c
@@ -0,0 +1,42 @@
+// Write a menu driven program for calculator.
+
+void main() {
+    int num1,num2,opt;
+    printf("Enter the first Integer :");
+    scanf("%d",&num1);
+    printf("Enter the second Integer :");
+    scanf("%d",&num2);
+
+    printf("\nInput your option :\n");
+    printf("1-Addition.\n2-Substraction.\n3-Multiplication.\n4-Division.\n5-Exit.\n");
+    scanf("%d",&opt);
+    switch(opt) {
+        case 1:
+            printf("The Addition of  %d and %d is: %d\n",num1,num2,num1+num2);
+            break;
+        
+        case 2:
+            printf("The Subtraction of %d  and %d is: %d\n",num1,num2,num1-num2);
+            break;
+        
+        case 3:
+            printf("The Multiplication of %d  and %d is: %d\n",num1,num2,num1*num2);
+            break;  
+
+        case 4:
+            if(num2==0) {
+                printf("The second integer is zero. Divide by zero.\n");
+            }
+            else {
+            printf("The Division of %d  and %d is : %d\n",num1,num2,num1/num2);
+            }  
+            break;
+        
+        case 5: 
+            break; 
+        
+        default:
+            printf("Input correct option\n");
+            break; 
+        }
+}
\ No newline at end of file
diff --git a/Calculator.exe b/Calculator.exe
new file mode 100644
index 0000000..8f218cd
Binary files /dev/null and b/Calculator.exe differ
diff --git a/Order Of Programs.md b/Order Of Programs.md
index 37029e6..0bffeea 100644
--- a/Order Of Programs.md	
+++ b/Order Of Programs.md	
@@ -20,4 +20,5 @@
 |18        | Grade.c | Grade.exe | Use else if ladder statements to find out the result grade from the percentage (Mentioned in file of the program) |
 |19        | Admission.c | Admission.exe | to find the eligibility of admission for a professional course based on the following criteria (Mentioned in file of the program) |
 |20        | QuadraticEquatic. | QuadraticEquatic.exe | WAP to calculate the root of a Quadratic Equation |
-|21        | Triangle.c | Triangle.exe | WAP to check whether a triangle can be formed by the given value for the angles |
\ No newline at end of file
+|21        | Triangle.c | Triangle.exe | WAP to check whether a triangle can be formed by the given value for the angles |
+|22        | Calculator.c | Calculator.exe | Write a menu driven program for calculator |
\ No newline at end of file