α α and β β are mainly used to represent variables and physical quantities in mathematics and physics. α and β are two Greek letters, which generally represent angles, just as we use X and Y to find unknowns. In common math problems, α, β and γ are three Greek letters, which generally represent angles.

relevant knowledge

Alpha, beta, gamma and delta are all Greek letters. Greek alphabet is a letter used in Greek, and it is also widely used in mathematics, physics, biology, chemistry, astronomy and other disciplines. Greek letters are similar to English letters and Russian letters, but with different symbols and the same phonetic attributes.

Greek letters are the earliest letters with vowels in the world. The Cyrillic alphabet and Georgian alphabet used in Russian and Ukrainian are all developed from the Greek alphabet. People who have studied Russian will feel deja vu when they use Greek letters. Greek letters have entered the vocabulary of many languages.