Hagoromo chalk: Why the demise of a Japanese company is a blow to mathematics, The Independent

The Hagoromo Fulltouch Chalk was known as the
The Hagoromo Fulltouch Chalk was known as the 'Rolls Royce' of chalk

Historical Essays

Mathematicians mourn the loss of the 'Rolls-Royce of chalk

english-Japanese (Dictionnaire), PDF, Air Conditioning

How Hagoromo Chalk Achieved Cult Among Mathematicians?

Japanese Marathoner Was a Hero and a Cautionary Tale - The New York Times

Historical Essays

A Ride on the Assembly Line With the World's Most Famous Chalk - The New York Times

The Stanford Daily Vol. 260 Issue 5 (10.22.21) by The Stanford Daily - Issuu

The Chalk Market: Where Mathematicians Go to Get the Good Stuff - Cal Alumni Association

English - Japanese Dictionary

What do you think of the storyline in 'Boruto: Two Blue Vortex'? - Quora

Volume 113 Issue 3 by The Stuyvesant Spectator - Issuu

How a brand of chalk achieved cult status among mathematicians

What's So Special About This Japanese Chalk?

Hagoromo Chalk Is Available on