Have you heard of the abacus? 🧮🤔 The abacus, 算盘 (suàn pán), has been used in China for over 2,000 years, playing a crucial role in trade, accounting, and mathematics. ➗🚛 The Chinese abacus typically has two beads on the upper deck and five on the lower deck of each rod, allowing for a wide range of calculations, including complex operations like square roots and cube roots 📐 Abacus is also has another meaning in a different context: 打算盘 (dǎ suàn pán): scheming about/ planning 💭 Ex: 你在打什么算盘？

This Ancient Abacus Took 5 Months 😳