| 359 | A Guide To Reading and Writing Japanese (Florence Sakade) |
| 458 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 435 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 294 | A New Dictionary of Kanji Usage |
| 1464 | Classic Nelson (Andrew Nelson) |
| 691 | Essential Kanji (P.G. O’Neill) |
| 584 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 379 | Japanese Names (P.G. O’Neill) |
| 514 | Kanji and Kana (Spahn and Hadamitzky) |
| 523 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 726 | Kanji in Context (Nishiguchi and Kono) |
| 933 | Kodansha Compact Kanji Guide |
| 287 | Kodansha Kanji Dictionary (Jack Halpern) |
| 180 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 216 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 534 | Les Kanjis dans la tete (Yves Maniette) |
| 13114 | Morohashi |
| 243 | New Japanese English Character Dictionary (Jack Halpern) |
| 2332 | New Nelson (John Haig) |
| 528 | Remembering The Kanji (James Heisig) |
| 567 | Remembering The Kanji, 6th edition (James Heisig) |
| 289 | The Kanji Way to Japanese Language Power (Dale Crowley) |
| 475 | Tuttle Kanji Cards (Alexander Kask) |
Jōyō kanji, taught in grade 4
JLPT level N2
147 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 改 【カイ】 revision
- 改革 【カイカク】 reform, reformation, reorganization
- 更改 【コウカイ】 renewal, extension, revision
- 契約更改 【ケイヤクコウカイ】 contract renewal
Kun reading compounds
- 改める 【あらためる】 to change, to alter, to revise, to replace, to reform, to correct, to mend, to improve, to examine, to check, to inspect, to do properly, to do formally
- 改まる 【あらたまる】 to be renewed, to change, to be improved, to be reformed, to be revised, to be corrected, to stand on ceremony, to be formal, to take a turn for the worse (of an illness), to take a serious turn
Readings
- Korean:
- gae
Spanish
- reforma
- cambio
- investigación
- cambiar
- reformar
- renovar
- revisar
- investigar
Portuguese
- reforma
- mudança
- modificar
- umsertar
- renovar
- examinar
- inspecionar
- pesquisar
French
- réforme
- changer
- modifier
- améliorer
- renouveler
- examiner
- inspecter
- chercher
| 3566 | 2001 Kanji |
| 4i3.1 | The Kanji Dictionary |
| 1-3-4 | SKIP code |
| 1874.0 | Four corner code |
| 1-18-94 | JIS X 0208-1997 kuten code |
| 6539 | Unicode hex code |
Jōyō kanji, taught in grade 1
JLPT level N4
143 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 正 【セイ】 (logical) true, regular, 10^40, ten duodecillion, original, positive, greater than zero, thesis (in dialectics)
- 正解 【セイカイ】 correct answer, right solution, correct interpretation, right decision, right choice, appropriate judgement
- 検事正 【ケンジセイ】 chief public prosecutor
- 適正 【テキセイ】 reasonable, suitable
- 正 【ショウ】 exactly, precisely, correct, right, true, greater (of equal court ranks), upper, senior, director (highest of the four administrative positions of the ritsuryō period), chief
- 正月 【ショウガツ】 New Year (esp. first three days), first month of the year, January
- 大正 【タイショウ】 Taishō era (1912.7.30-1926.12.25), Taisho era
- 賀正 【ガショウ】 A Happy New Year!
Kun reading compounds
- 正しい 【ただしい】 right, correct, proper, righteous, just, honest, truthful, lawful
- 正しい行い 【ただしいおこない】 conducting oneself properly, right conduct, doing the right thing
- 正す 【ただす】 to correct, to rectify, to reform, to amend, to redress, to straighten (one's posture, collar, etc.), to adjust
- 糺す 【ただす】 to ascertain, to confirm, to verify, to make sure of
- 正 【まさ】 exact, precise
- 正に 【まさに】 exactly, just, precisely, really, truly, surely, certainly, without doubt, right (when), just (as), just (about to), on the point of, on the verge of, on the brink of, really (ought to), certainly (should), naturally
- 正に 【まさに】 exactly, just, precisely, really, truly, surely, certainly, without doubt, right (when), just (as), just (about to), on the point of, on the verge of, on the brink of, really (ought to), certainly (should), naturally
Readings
- Japanese names:
- おお、 くに、 ま、 まさし、 ただし
- Korean:
- jeong
Spanish
- correcto
- justo
- arreglar
- enderezar
Portuguese
- corrigir
- justiça
- correto
- direito
- 10 elevado a 40
French
- correct
- positif
- juste
- droit
- 10**40
| 46 | A Guide To Reading and Writing Japanese (Florence Sakade) |
| 79 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 41 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 109 | A New Dictionary of Kanji Usage |
| 27 | Classic Nelson (Andrew Nelson) |
| 123 | Essential Kanji (P.G. O’Neill) |
| 203 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 205 | Japanese Names (P.G. O’Neill) |
| 2.17 | Japanese for Busy People |
| 275 | Kanji and Kana (Spahn and Hadamitzky) |
| 275 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 407 | Kanji in Context (Nishiguchi and Kono) |
| 1128 | Kodansha Compact Kanji Guide |
| 4296 | Kodansha Kanji Dictionary (Jack Halpern) |
| 2172 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 2926 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 385 | Les Kanjis dans la tete (Yves Maniette) |
| 16255 | Morohashi |
| 3484 | New Japanese English Character Dictionary (Jack Halpern) |
| 2955 | New Nelson (John Haig) |
| 379 | Remembering The Kanji (James Heisig) |
| 405 | Remembering The Kanji, 6th edition (James Heisig) |
| 139 | The Kanji Way to Japanese Language Power (Dale Crowley) |
| 42 | Tuttle Kanji Cards (Alexander Kask) |
| 3173 | 2001 Kanji |
| 2m3.3 | The Kanji Dictionary |
| 4-5-1 | SKIP code |
| 1010.1 | Four corner code |
| 1-32-21 | JIS X 0208-1997 kuten code |
| 6b63 | Unicode hex code |