Zero
The invention of zero – how ancient Mesopotamia invented the mathematical concept of nought and ancient India gave it symbolic form https://t.co/tSNrG22yHM pic.twitter.com/MAq7HmVCcd — Maria Popova (@brainpicker) March 16, 2019
The invention of zero – how ancient Mesopotamia invented the mathematical concept of nought and ancient India gave it symbolic form https://t.co/tSNrG22yHM pic.twitter.com/MAq7HmVCcd — Maria Popova (@brainpicker) March 16, 2019