diff --git a/IEC2025013/calculator.cpp b/IEC2025013/calculator.cpp
new file mode 100644
index 0000000..f704e76
--- /dev/null
+++ b/IEC2025013/calculator.cpp
@@ -0,0 +1,32 @@
+#include <iostream>
+using namespace std;
+
+int main(){
+
+int sign;
+cout << "Tell us which command you want to perform\n 1) 1 for addition\n 2) 2 for subtraction\n 3) 3 for division\n 4) 4 for multiplication" <<endl;
+cin >> sign;
+
+int a,b;
+cout << "Enter your 2 numbers which are involved: ";
+cin >> a>>b;
+
+if(sign == 1){
+	cout << a+b << endl;
+}
+else if(sign == 2){
+	cout << a-b << endl;
+}
+else if(sign == 3){
+	cout << a/b << endl;
+}
+else if( sign == 4){
+	cout << a*b << endl;
+}
+else{
+	cout << "You didn't enter a valid input"<<endl
+}
+
+
+}
+
diff --git a/IEC2025013/calculator.txt b/IEC2025013/calculator.txt
new file mode 100644
index 0000000..3198159
--- /dev/null
+++ b/IEC2025013/calculator.txt
@@ -0,0 +1,3 @@
+What is a Calculator?
+
+ans) Calculator is an electronic device used to calculate many mathematical tasks.