Tìm kiếm
Counting rod
01
cây đếm, thanh tính toán
a tool with marked rods or sticks used in ancient math, especially in Chinese and Japanese traditions
counting rod
n
Ví dụ
Chinese mathematicians used counting rods to perform calculations centuries before the invention of modern calculators.
Archaeologists uncovered ancient counting rods at excavation sites, revealing insights into early mathematical practices.
Historians study ancient texts and artifacts, including counting rods, to understand the development of mathematics in different cultures.
The teacher demonstrated how to add and subtract using counting rods during a lesson on ancient math techniques.
