![Hewitt Homeschooling on Twitter: "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 Twitter: "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 Twitter: "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" /
![1a,b: Salamis tablet (oldest known counting board); Roman tabula with... | Download Scientific Diagram 1a,b: Salamis tablet (oldest known counting board); Roman tabula with... | Download Scientific Diagram](https://www.researchgate.net/publication/37991498/figure/fig6/AS:652580690612225@1532598769310/a-b-Salamis-tablet-oldest-known-counting-board-Roman-tabula-with-spherical-pebbles.png)
1a,b: Salamis tablet (oldest known counting board); Roman tabula with... | Download Scientific Diagram
![A Transdisciplinary Memorial to Millions Lost in 1932-33 Soviet Ukraine - Photographs by Lesia Maruschak | Essay by Amy Parrish | LensCulture A Transdisciplinary Memorial to Millions Lost in 1932-33 Soviet Ukraine - Photographs by Lesia Maruschak | Essay by Amy Parrish | LensCulture](https://photos.lensculture.com/original/f2b2c8fb-a8b4-462c-a50c-7f96ba89795b.jpg)
A Transdisciplinary Memorial to Millions Lost in 1932-33 Soviet Ukraine - Photographs by Lesia Maruschak | Essay by Amy Parrish | LensCulture
![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)