To aru Kagaku no Railgun receives a spin-off Jr. High School Mathematics study book!

Chukei, a Kadokawa Group Publishing company, will release its new book that teaches junior high level mathematics with characters from A Certain Scientific Railgun manga and anime on June 11. In Toaru Kagaku no Railgun to Yarinaosu Chūgaku Sūgaku, Kawai Juku cram school instructor Yasuyo Seko uses the characters Mikoto, Kuroko, Uiharu, and Saten to drill mathematical concepts that readers may have forgotten after middle school.

Toaru Kagaku no Railgun to Yarinaosu Chūgaku Sūgaku will retail for 1,785 yen (about US$18).