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Gyaltsan, a Tibetan man from Nyingchi City in the Tibet Autonomous Region, has created a new type of multiplication chart that helps primary school students calculate faster.

As opposed to the small and big 9x9 multiplication charts, which are used nationally and make use of numbers, the new charts use 31 Chinese characters, including 11 referring to numbers.

Gyaltsan showed an aptitude for math at school 30 years ago, but he left before finishing primary school.

He is, however, good at devising new things, and in addition to running a Tibetan cafe with his wife in Lhasa, he has an interest in cultural preservation and has collected the histories and former names of 700 places in Lhasa that most people have forgotten today...

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（Text & Photo by Palden Nyima, Daqiong）