To type directly with the computer keyboard: add the sign = to type a small Katakana ; example: tsu=
add the sign = for ji= (or di) and zu= (or du)
The characters ヰ (wi) and ヱ (we) are obsoletes.
Copy [Ctrl]+[C] & Paste [Ctrl]+[V]
-> Japanese keyboard: Kanji, Hiragana & Katakana
-> Japanese language: dictionary, pronunciation, grammar
-> Multilingual keyboard: index