diff --git a/utils/main.cpp b/utils/main.cpp
new file mode 100644
index 0000000..c21ab69
--- /dev/null
+++ b/utils/main.cpp
@@ -0,0 +1,30 @@
+#include "timing.h"             // tic(), toc()
+#include "info.h"             
+#include "std_lib_facilities.h" // overload [] : by Stroustrup
+#include <iostream>
+using namespace std;
+
+int main(int argc , char const *argv[])
+{
+    cout << "Check my own headers\n" << endl;
+
+    tic();                    // start timer
+    check_env(argc, argv);         // info on compiler
+    printGPUInfo();                // info on GPU. Only in NVCC_
+    double tt(toc());         // end timer
+    cout << "\n\nSeconds: " << tt << endl;
+
+    vector<double> aa(5,-1.2345);
+    try
+    {
+        cout << "\nThe next line should result in an exception\n";
+        cout << aa[5] << endl;// Stroustrups overloading should check the index range
+    }
+    catch (Range_error &re)
+    {
+        cout << "Index out of range!!!\n";
+    }
+    
+    return 0;
+}
+