diff --git a/algorithms/math/Calculator.cpp b/algorithms/math/Calculator.cpp
new file mode 100644
index 00000000..a0b08168
--- /dev/null
+++ b/algorithms/math/Calculator.cpp
@@ -0,0 +1,161 @@
+#include<bits/stdc++.h>
+using namespace std;
+
+void add()
+{
+    int n, sum = 0, i, number;
+    cout << "How many numbers you want to add: ";
+    cin >> n;
+    cout << "Please enter the number one by one: \n";
+    for (i = 1; i <= n; i++)
+    {
+        cin >> number;
+        sum = sum + number;
+    }
+    cout << "\n Sum of the numbers = " << sum;
+}
+void sub()
+{
+    int num1, num2, z;
+    cout << " \n Enter the First number = ";
+    cin >> num1;
+    cout << "\n Enter the Second number = ";
+    cin >> num2;
+    z = num1 - num2;
+    cout << "\n Subtraction of the number = " << z;
+}
+void multi()
+{
+    int num1, num2, mul;
+    cout << " \n Enter the First number = ";
+    cin >> num1;
+    cout << "\n Enter the Second number = ";
+    cin >> num2;
+    mul = num1 * num2;
+    cout << "\n Multiplication of two numbers = " << mul;
+}
+void division()
+{
+    int num1, num2, div = 0;
+    cout << " \n Enter the First number = ";
+    cin >> num1;
+    cout << "\n Enter the Second number = ";
+    cin >> num2;
+    while (num2 == 0)
+    {
+        cout << "\n Divisor canot be zero"
+                "\n Please enter the divisor once again: ";
+        cin >> num2;
+    }
+    div = num1 / num2;
+    cout << "\n Division of two numbers = " << div;
+}
+void sqr()
+{
+    int num1;
+    float sq;
+    cout << " \n Enter a number to find the Square: ";
+    cin >> num1;
+    sq = num1 * num1;
+    cout << " \n Square of " << num1 << " is : " << sq;
+}
+void srt()
+{
+    float q;
+    int num1;
+    cout << "\n Enter the number to find the Square Root:";
+    cin >> num1;
+    q = sqrt(num1);
+    cout << " \n Square Root of " << num1 << " is : " << q;
+}
+void mode()
+{
+    int num1, num2, remi;
+    cout << " \n Enter the First number = ";
+    cin >> num1;
+    cout << "\n Enter the Second number = ";
+    cin >> num2;
+  
+   remi=num1%num2; 
+    cout << "\n Remainder of two numbers = " << remi;
+}
+
+
+void prime()
+{
+  int num, i, chk=0;
+    cout<<"Enter a Number: ";
+    cin>>num;
+    for(i=2; i<num; i++)
+    {
+        if(num%i==0)
+        {
+            chk++;
+            break;
+        }
+    }
+    if(chk==0)
+        cout<<"\nIt is a Prime Number";
+    else
+        cout<<"\nIt is not a Prime Number";
+}
+
+int main()
+{
+    
+    int opr;
+
+    do
+    {
+        cout << "Select any operation from the C++ Calculator"
+                "\n1 = Addition"
+                "\n2 = Subtraction"
+                "\n3 = Multiplication"
+                "\n4 = Division"
+                "\n5 = Square"
+                "\n6 = Square Root"
+                "\n7 = Modulo"
+                "\n8 = Prime"
+                "\n9 = Exit"
+                "\n \n Make a choice: ";
+        cin >> opr;
+
+        switch (opr)
+        {
+        case 1:
+            add(); 
+            break;
+        case 2:
+            sub(); 
+            break;
+        case 3:
+            multi(); 
+            break;
+        case 4:
+            division(); 
+            break;
+        case 5:
+            sqr(); 
+            break;
+        case 6:
+            srt();
+            break;
+        case 7:
+            mode(); 
+            break;
+        case 8:
+            prime();
+            break;
+        case 9:
+            exit(0); 
+            break;
+        default:
+            cout << "Something is wrong..!!";
+            break;
+        }
+        cout << " \n------------------------------\n";
+    } while (opr != 7);
+ 
+ return 0;
+}
+