diff --git a/datatypes/Makefile b/datatypes/Makefile
new file mode 100644
index 0000000..e0c6fdb
--- /dev/null
+++ b/datatypes/Makefile
@@ -0,0 +1,12 @@
+
+TARGET := datatypes
+
+all: $(TARGET)
+
+$(TARGET): $(TARGET).d
+
+%: %.d
+	gdc -o $@ $<
+
+clean:
+	-rm -f *.o *~ $(TARGET)
diff --git a/datatypes/datatypes.d b/datatypes/datatypes.d
new file mode 100644
index 0000000..9a9e068
--- /dev/null
+++ b/datatypes/datatypes.d
@@ -0,0 +1,39 @@
+import std.stdio;
+
+int main()
+{
+    // Show information about integer types...
+    writefln("bool\tmin: %d\tmax: %d (%d)",
+            bool.min, bool.max, bool.sizeof);
+    writefln("ubyte\tmin: %d\tmax: %d (%d)",
+            ubyte.min, ubyte.max, ubyte.sizeof);
+    writefln("ushort\tmin: %d\tmax: %d (%d)",
+            ushort.min, ushort.max, ushort.sizeof);
+    writefln("uint\tmin: %d\tmax: %d (%d)",
+            uint.min, uint.max, uint.sizeof);
+    writefln("ulong\tmin: %d\tmax: %d (%d)\n",
+            ulong.min, ulong.max, ulong.sizeof);
+    writefln("byte\tmin: %d\tmax: %d (%d)",
+            byte.min, byte.max, byte.sizeof);
+    writefln("short\tmin: %d\tmax: %d (%d)",
+            short.min, short.max, short.sizeof);
+    writefln("int\tmin: %d\tmax: %d (%d)",
+            int.min, int.max, int.sizeof);
+    writefln("long\tmin: %d\tmax: %d (%d)\n",
+            long.min, long.max, long.sizeof);
+
+    // Show information about floating-point types...
+    writefln("float (%d)\tdouble (%d)\treal (%d)",
+            float.sizeof, double.sizeof, real.sizeof);
+    writefln("ifloat (%d)\tidouble (%d)\tireal (%d)",
+            ifloat.sizeof, idouble.sizeof, ireal.sizeof);
+    writefln("cfloat (%d)\tcdouble (%d)\tcreal (%d)",
+            cfloat.sizeof, cdouble.sizeof, creal.sizeof);
+
+    // Show information about character types...
+    writefln("char (%d)\twchar (%d)\tdchar (%d)",
+            char.sizeof, wchar.sizeof, dchar.sizeof);
+
+    return 0;
+}
+