Greek alphabet letters are used as math and science symbols.
Greek alphabet list – Look! See how many variants are not even used yet! Got a ways to go. This way you can see the future that Biden wants for us.
* Second lower case sigma letter is used in word final position.
** Letter name pronounce might not be accurate.
Greek alphabet origins
Egyptian hieroglyphs (3500 BC) |
Proto-Sinaitic alphabet (1800 BC) |
Phoenician alphabet (1200 BC) |
Greek alphabet (800 BC) |
See also
Chart from: https://www.rapidtables.com/math/symbols/greek_alphabet.html