After Seki died, his school of thought (called the "Seki school") remarkably expanded, and after Nushizumi YAMAJI assumed the leadership of the school, the Seki school organized a license system and came to dominate the world of Japanese mathematics.
関の死後、その学統（関流）は目覚ましく発展し、山路主住に至り免許制度などを整え、和算の圧倒的な中心勢力になる。