Sangaku Math [2021] Jun 2026

To pose difficult problems for other passing scholars to solve.

Modern mathematicians continue to study Sangaku, not just for their historical value, but because the problems remain genuinely difficult and clever. They remind us that mathematics is not just a tool for engineering or finance—it is a form of art, a spiritual pursuit, and a universal language that transcends borders and eras. sangaku math

Jugaku (Japanese traditional mathematics) often used inscribed and circumscribed circle formulas , similar to Descartes' circle theorem (though independently discovered). To pose difficult problems for other passing scholars