In the 6th century BCE, the Greek alphabet used 24 letters. To make numbers, the Greeks added three more symbols ( accounts differ as to whether these were resurrected older letters or newly designed ...

When maths was a doodle: How the Ancient Egypts used pictograms to count instead of numbers. By EDDIE WRENN FOR MAILONLINE . Published: 13:04 EDT, 8 May 2012 | Updated: 03:31 EDT, 9 May 2012 ...

How were numerals written in ancient times in the Tamil country, the land of Srinivasa Ramanujan, ... The first digit at right looking like the cross is the symbol for 4.

AI-assisted research nearly doubles the number of known Nazca geoglyphs, ancient symbols formed in the ground by moving stones or gravel that date back 2,000 years. CNN values your feedback 1.