math-exercise-book-yellow.grok.me

新制チャート式 解法と演習の進捗表。解いた問題に色を塗って、進度を一目で確認できます。

stone-garden-fair-dawn.grok.me

Sit with Yamato — a shy mathematical physicist who will stay at the desk until the proof clicks.

kyotsu.grok.me

Kyotsu — an introduction to Japan’s Common Test for University Admissions. 大学入学共通テスト, 16–17 January 2027.