Did you know the abacus, one of China's greatest inventions, is often called the world's oldest computer? It revolutionized traditional arithmetic in ancient China and remains a symbol of mathematical ingenuity. Shenzhen Museum has unveiled a new exhibition, displaying the development of Chinese calculation tools, including diverse abacuses. Math enthusiasts, what's the coolest calculation tool you've ever used? Share in comments.
Dates: Dec 26-March 30