Oldest decimal multiplication table
Who
Tsinghua Bamboo Slips
What
2,300 year(s)
Where
China Mainland ()
When
305 BC

The oldest decimal multiplication table is the twenty-one bamboo slips of the Tsinghua Bamboo Slips from around 305 BC which were acquired by Tsinghua University (China) in 2008.

The Tsinghua Bamboo Slips are a collection of Chinese texts dating to the Warring States period and are written in ink on strips of bamboo.