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 ...

In the system of Greek numerals, omicron has a value of 70 and is also derived from the Phonecian letter ‘ayin’. The Greek alphabet system was originally developed in Greece at around 1000 BC.

In the system of Greek numerals, omicron has a value of 70 and is also derived from the Phonecian letter ‘ayin’. The Greek alphabet system was originally developed in Greece at around 1000 BC.