The capital letters of the modern greek alphabet is almost the same as lonic alphabet. Lower case letters came to be in after 800 AD. People would usually write horizontal lines and write, right to left. In 500 bc changed the direction of writing to horizontal lines from left to right.
Greek Alphabet Greek civilization laid the foundation for many of the accomplishments of the western world. the Greeks took the Phoenician or North Semitic alphabet and changed five consonants to vowels. Greeks applied geometric structure and order to the uneven Phoenician characters, converting them into art forms of great harmony and beauty. greeks developed Boustrophedon writing method-for every other line reads in the opposite direction.
The Greek alphabet has been used since 8th century BC. It was mostly derived from the earlier Phoenician alphabets and was the first alphabetic script to have distinct letters for vowels as well as consonants.