![Hagoromo chalk: Why the demise of a Japanese company is a blow to mathematics | The Independent | The Independent Hagoromo chalk: Why the demise of a Japanese company is a blow to mathematics | The Independent | The Independent](https://static.independent.co.uk/s3fs-public/thumbnails/image/2015/06/17/13/chalk-afp.jpg)
Hagoromo chalk: Why the demise of a Japanese company is a blow to mathematics | The Independent | The Independent
![Gizmodo on Twitter: "Why mathematicians are hoarding this special type of Japanese chalk http://t.co/aQPW7rNVCw http://t.co/IZ4UL6MWbr" / Twitter Gizmodo on Twitter: "Why mathematicians are hoarding this special type of Japanese chalk http://t.co/aQPW7rNVCw http://t.co/IZ4UL6MWbr" / Twitter](https://pbs.twimg.com/media/CHk5g9kWgAMUMc5.jpg)
Gizmodo on Twitter: "Why mathematicians are hoarding this special type of Japanese chalk http://t.co/aQPW7rNVCw http://t.co/IZ4UL6MWbr" / Twitter
![Mathematicians' chalk experiments captured as art in new book from photographer Jessica Wynne | University of Chicago News Mathematicians' chalk experiments captured as art in new book from photographer Jessica Wynne | University of Chicago News](https://news.uchicago.edu/sites/default/files/styles/full_width/public/images/2021-12/benson-farb.jpg?itok=LexPWHib)
Mathematicians' chalk experiments captured as art in new book from photographer Jessica Wynne | University of Chicago News
Karthik 🇮🇳 on Twitter: "Google 'chalk mathematicians' and you would stumble on the astonishing story of mathematicians obsessed with a Japanese chalk brand called Fulltouch, manufactured by Hagoromo! When Hagoromo announced that
![What is the Japanese chalk that even told mathematicians that it is impossible to make a calculation error with this chalk? - GIGAZINE What is the Japanese chalk that even told mathematicians that it is impossible to make a calculation error with this chalk? - GIGAZINE](http://i.gzn.jp/img/2015/06/26/hagoromo-chalk-story/top_m.jpg)
What is the Japanese chalk that even told mathematicians that it is impossible to make a calculation error with this chalk? - GIGAZINE
![Incunabula on Twitter: "This is an untouched box of the legendary Hagoromo Fulltouch chalk, made in Japan circa 2014. The company closed down in 2015, and while a version of the chalk Incunabula on Twitter: "This is an untouched box of the legendary Hagoromo Fulltouch chalk, made in Japan circa 2014. The company closed down in 2015, and while a version of the chalk](https://pbs.twimg.com/media/Ez8slvfXMAcw1H5.jpg)
Incunabula on Twitter: "This is an untouched box of the legendary Hagoromo Fulltouch chalk, made in Japan circa 2014. The company closed down in 2015, and while a version of the chalk
![The South Korean keeping Japan's top chalk from fading out | The Asahi Shimbun: Breaking News, Japan News and Analysis The South Korean keeping Japan's top chalk from fading out | The Asahi Shimbun: Breaking News, Japan News and Analysis](https://p.potaufeu.asahi.com/74be-p/picture/25589752/572e5ec0af86443c6b4c62e6bacf425b.jpg)