The Chinese Abacus wasintroducedduring the 17th century to the countries like Malaysia, Korea, Vietnam, Singapore, Thailand etc. and is being spread even these days.
公司描述
Abacus is the generic tool that had travelled thousands of years in the history of man and continues to live even today as a live magic frame of beads thatis a standing testimony to the greatness of this frame beads. The travel that it undertook did bring transformation of the Abacus in its looks. The industrial revolution and the love for the machine in the 20th century and the computer revolution later in the century had totally left the Abacus in an untouched state.