4 ms·
What are these 1000/4000 year starting points? From when mankind evolved?
by mchahn 8y ago
What are these 1000/4000 year starting points? From when mankind evolved?
- lisper 8y agoActually it turns out I was off by an order of magnitude. The earliest recoded number systems date back 40,000 years [1]. Zero was invented about 5000 years ago [2]. [1] https://en.wikipedia.org/wiki/History_of_ancient_numeral_systems https://en.wikipedia.org/wiki/History_of_ancient_numeral_sys... [2] https://www.scientificamerican.com/article/what-is-the-origin-of-zer/ https://www.scientificamerican.com/article/what-is-the-origi...