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          Math experts show new stamp is sum total of excellence

          By Lin Qi | chinadaily.com.cn | Updated: 2025-03-14 15:47
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          The four stamps, issued by China Post, each depicts pi the mathematical constant, the Pythagorean theorem, Euler's formula and Mobius strip. [Photo by Jiang Dong/China Daily]

          They are enthralled by the minimalist beauty of math formulas and also the mysteriousness, which are both visualized in the newly issued stamps.

          The four stamps, issued by China Post, each depict pi the mathematical constant, the Pythagorean theorem, Euler's formula and the Mobius strip. China Post has also developed several games that require math equations to solve on its WeChat account.

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