×
Log in
Upload File
Most Popular
Study
Business
Design
Technology
Travel
Explore all categories
The top documents tagged [chinese abacus]
By Anne Perera. The first man-made computing device is the “Abacus” The abacus, also called a counting frame. The Chinese abacus was developed about 5000
218 views
Beijing Today Metro (November 8, 2013)
213 views
HISTORY OF COMPUTER
14 views
< Prev