For Windows 2000 / XP or later
Please note: + means that
you hold two
keys pressed simultaneously
& means that you release the previous two keys and you press the key of the letter.
E.g. to write alpha with iota subscript (ᾳ) there is the combination Shift + [ & letter
That means: you press shift, you hold it pressed while you press also [. Then you release both shift and [, and you press alpha.
Greek Polytonic Unicode Fonts & how to use them on your computer
Greek Lessons : Alphabet, Homer, New Testament
The Greek Word Library
Communities on the Greek Language
More On-line Resources
Reference address : https://www.ellopos.net/elpenor/greek-texts/gr-pol-keys/greek-keyboard.asp