To type directly with the computer keyboard:
The characters ゐ (wi) and ゑ (we) are obsolete. They are replaced by うぃ (ui) and うぇ (ue).
The obsolete charecters yi, ye, wu (replaced by i, ie, u) can also be typed using the computer keyboard:
the font BabelStone Han must be installed on the computer to read these characters.
→ conversion: Hiragana <> Romaji (Latin alphabet)
→ Katakana keyboard
→ Japanese keyboard: Kanji, Hiragana & Katakana
→ Japanese language: dictionary, pronunciation, grammar
→ Multilingual keyboard: index