30 students (known as sansho) took classes using the Kyushosanjutsu and the Shuhisankei (Chinese mathematics books) as textbooks, and a prescribed number of students who passed the test were appointed to sanshi posts.
30名の算生が『九章算術』・『周髀算経』などを教科書として講義を受けた後、所定の試験合格者が算師に任命された。