| Input codes | Multiradical | Handwritten | Four-corner | Kana input |
| Radicals | Multiradical by type | Handwritten (old) | SKIP | Options |
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The SKIP (System of Kanji Indexing by Patterns) system for ordering kanji was developed by Jack Halpern (Kanji Dictionary Publishing Society at www.kanji.org), and is used with his permission.