Enter full-width or half-width numbers
You can choose to enter full-width or half-width numbers. Full-width numbers are spaced apart to align with kana or kanji characters.
Enter full-width numbers
While using the Full-width Romaji input mode, press the number keys on your keyboard.
While using the Hiragana or Katakana input mode, choose Open Japanese Preferences from the Input menu in the menu bar, then make sure “Full-width numeral characters” is selected. Then press the number keys on your keyboard.
Enter half-width numbers
While using the Romaji or Half-width Katakana input mode, press the number keys on your keyboard.
While using the Hiragana or Katakana input mode, choose Open Japanese Preferences from the Input menu in the menu bar, then deselect the “Full-width numeral characters” checkbox. Then press the number keys on your keyboard.