A less known fact about the numpad
One of the interesting facts about the numpad is that, when you press ALT and type a code like 178 it makes this ▓. You can type hundreds of codes like 177(▒), 176(░). The fact is that a small number of Windows users know about this. Also make sure that Num Lock is pressed and you only use the numpad number keys.
Also you can download my Numpad Special Characters list which contains the first 255 special characters. To download click download file on the right. Please note that some of them might be different from the ones in the list because of software differences. You will need Open Office org. This is a free software similar to Microsoft Office. You can learn more about it in Your PC guide.