diff --git a/chapter3/float_overflow.c b/chapter3/float_overflow.c
new file mode 100644
index 0000000..0008231
--- /dev/null
+++ b/chapter3/float_overflow.c
@@ -0,0 +1,9 @@
+#include <stdio.h>
+
+int main()
+{
+	float too_big = 3.4E38 * 100.0F;
+
+	printf("too_big=%e\n", too_big);
+	return 0;
+}