![Hewitt Homeschooling on X: "The Salamis Tablet is a marble counting board from the Greek island of Salamis dating to 300 B.C. It's a precursor to the abacus. #MathFactMonday #TheMoreYouKnow https://t.co/XMpuQ5U3ks" / Hewitt Homeschooling on X: "The Salamis Tablet is a marble counting board from the Greek island of Salamis dating to 300 B.C. It's a precursor to the abacus. #MathFactMonday #TheMoreYouKnow https://t.co/XMpuQ5U3ks" /](https://pbs.twimg.com/media/FdmFO6cXwAALwb3.jpg)
Hewitt Homeschooling on X: "The Salamis Tablet is a marble counting board from the Greek island of Salamis dating to 300 B.C. It's a precursor to the abacus. #MathFactMonday #TheMoreYouKnow https://t.co/XMpuQ5U3ks" /
Waltons Namibia - Waltons Daily Did You Know... The Salamis Tablet is a marble counting board (an early counting device) dating from around 300 B.C. that was discovered on the island of
![The Salamis Tablet is the world's oldest surviving counting board (which was the precursor of the abacus, and the earliest known form of a counting device). Dating from around 300 BCE, it's The Salamis Tablet is the world's oldest surviving counting board (which was the precursor of the abacus, and the earliest known form of a counting device). Dating from around 300 BCE, it's](https://preview.redd.it/xw7s346d6bg81.jpg?auto=webp&s=9873806dfa6c2b9481d795646d7d1fc46a37442c)