The geometry textbook of Emperor Kangxi is now on display at an exhibition in north China’s Inner Mongolia Autonomous Region. The relic, which contains authentic notes from the prominent emperor in Qing Dynasty, is included in the National List of Precious Ancient Books of China. /Chinanews Photo

The textbook is a Manchu version of Elements, which is a mathematical treatise attributed to the ancient Greek mathematician Euclid. It was translated by French Jesuits Joachim Bouvet and Jean-Francois Gerbillon who worked in China. /Chinanews Photo

The exhibition, where the textbook is debuting, started on December 13 and will run for a month. It features 150 ancient books from the Song, Yuan, Ming and Qing Dynasties. /Chinanews Photo