Learn to count like in the past with an Abacus

  • those in base 10 well known in Europe and Russia in which each wire has 10 beads. Each bead represents, according the wire where it is, a unit, a hundred, a thousand, …
  • those in mixed base (5,2) or (4,1) for whose each wire has 2 parts : a left part where beads value 5 units (or 5 hundreds, 5 thousands, … according their position on the wire) and a right part where beads value 1 unit (or 1 hundred, 1 thousand, … according their position on the wire). These abacuses are mainly present in Asia (China, Japan, …)

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Entrepreneur / Developer / Blogger / Author. In Bitcoin We Trust: https://inbitcoinwetrust.substack.com/

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Sylvain Saurel

Sylvain Saurel

Entrepreneur / Developer / Blogger / Author. In Bitcoin We Trust: https://inbitcoinwetrust.substack.com/

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