Home >> Industry

Math experts show new stamp is sum total of excellence

Updated: 2025-03-14 15:47 ( chinadaily.com.cn )

Share - WeChat

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]

|<< Previous 1 2 3 4 5 6 7 8 Next >>|

Previous 4/8 Next

News
Events
Trends
Culture A-Z

Most Popular

This Week
Photo

Policy

Trends

Special Reports