diff --git a/main.cpp b/main.cpp
index 8ad82d8..af6102a 100644
--- a/main.cpp
+++ b/main.cpp
@@ -2,18 +2,15 @@
 
 int main()
 {
-    std::cout << "bool:\t\t" << sizeof(bool) << " bytes\n";
-    std::cout << "char:\t\t" << sizeof(char) << " bytes\n";
-    std::cout << "wchar_t:\t" << sizeof(wchar_t) << " bytes\n";
-    std::cout << "char16_t:\t" << sizeof(char16_t) << " bytes\n";
-    std::cout << "char32_t:\t" << sizeof(char32_t) << " bytes\n";
-    std::cout << "short:\t\t" << sizeof(short) << " bytes\n";
-    std::cout << "int:\t\t" << sizeof(int) << " bytes\n";
-    std::cout << "long:\t\t" << sizeof(long) << " bytes\n";
-    std::cout << "long long:\t" << sizeof(long long) << " bytes\n";
-    std::cout << "float:\t\t" << sizeof(float) << " bytes\n";
-    std::cout << "double:\t\t" << sizeof(double) << " bytes\n";
-    std::cout << "long double:\t" << sizeof(long double) << " bytes\n";
-    std::cout << "std::size_t:\t" << sizeof(std::size_t) << " bytes\n";
+    double zero {0.0};
+    double posinf { 5.0 / zero }; // positive infinity
+    std::cout << posinf << '\n';
+
+    double neginf { -5.0 / zero }; // negative infinity
+    std::cout << neginf << '\n';
+
+    double nan { zero / zero }; // not a number (mathematically invalid)
+    std::cout << nan << '\n';
+
     return 0;
 }