Quick answer: In desktop Word for Windows, type 03C0 then press Alt+X for lowercase π. Type 03A0 then Alt+X for uppercase Π. You can also use Insert → Symbol or insert π inside an equation. Ms Word Pi shortcut Type \pi and hit spacebar to get lower case of Greek letter pi (π). Similarly, to get upper case pi (Π), type \Pi & hit space. Note: The above shortcut is… Read More »How to Type Pi (π or Π) in Microsoft Word: Shortcuts and Symbols