The origin of uppercase numbers
The article "The Origin of Capitalized Numbers" said: In order to fight corruption and promote honesty, Zhu Yuanzhang also enacted strict laws to punish economic crimes, and took technical preventive measures in financial management and implemented some effective measures. One of the most important ones is to put the Chinese characters "1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 1, 2, 3, 4, 5, ground, 7, 8. In other words, the use of uppercase numbers from one to ten originated from Zhu Yuanzhang, the Ming emperor.