Intersection

    This command starts a "growing" intersection symbol.
  1. The caret goes to the inferior bound of the symbol, so you have to type it (n=0 for instance), then to finish it, type Enter as usual.
  2. Then the caret goes to the superior bound of the symbol, so you have to type it (n=M for instance), then to finish it, type Enter as usual.
  3. Then the caret goes to the main part of the symbol, so you have to type it, then to finish it and this symbol, type Enter as usual.
    The keyboard shortcut is Tab H.