diff --git a/Java Classes and Interfaces/Calc Engine/src/calcEngine.java b/Java Classes and Interfaces/Calc Engine/src/calcEngine.java
deleted file mode 100644
index 66b9df9..0000000
--- a/Java Classes and Interfaces/Calc Engine/src/calcEngine.java	
+++ /dev/null
@@ -1,43 +0,0 @@
-public class calcEngine {
-
-    public static void main(String[] args) {
-        performCalculations();
-    }
-
-    static void performCalculations() {
-        double[] leftVals = {100.0d, 25.0d, 225.0d, 11.0d};
-        double[] rightVals = {50.0d, 92.0d, 17.0d, 3.0d};
-        char[] opCodes = {'d', 'a', 's', 'm'};
-        double[] results = new double[opCodes.length];
-
-        for (int i = 0; i < opCodes.length; i++) {
-            results[i] = execute(opCodes[i], leftVals[i], rightVals[i]);
-        }
-        for (double currentResult : results)
-            System.out.println("result = " + currentResult);
-
-    }
-
-    static double execute(char opCode, double leftVal, double rightVal) {
-        double result;
-        switch (opCode) {
-            case 'a':
-                result = leftVal + rightVal;
-                break;
-            case 's':
-                result = leftVal - rightVal;
-                break;
-            case 'm':
-                result = leftVal * rightVal;
-                break;
-            case 'd':
-                result = rightVal != 0 ? leftVal / rightVal : 0.0d;
-                break;
-            default:
-                System.out.println("Invalid opCode: " + opCode);
-                result = 0.0d;
-                break;
-        }
-        return result;
-    }
-}
\ No newline at end of file