Windows
Hold Alt and type 7682 on the numeric keypad.
Accents
Copy the character, or use the shortcut that matches your keyboard and app.
All B accentsHold Alt and type 7682 on the numeric keypad.
Character Viewer → b dot above
Type 1E02 then Alt + X
Insert → Special characters → B dot above
Click the keycap, then paste with Ctrl+V or Cmd+V.
Num Lock on, hold Alt, type 7682, release Alt.
Use the Unicode, HTML, CSS, or JS value below in documents and stylesheets.
U+1E02ḂḂ\1E02\u{1E02}Alt + 7682