diff --git a/Calculator.java b/Calculator.java
new file mode 100644
index 0000000000..ec6c2f5696
--- /dev/null
+++ b/Calculator.java
@@ -0,0 +1,6 @@
+public class Calculator {
+    public int add(int a, int b) { return a + b; }
+    public int subtract(int a, int b) { return a - b; }
+    public int multiply(int a, int b) { return a * b; }
+    public int divide(int a, int b) { return a / b; }
+}