Greek lettersThe Greek alphabet consists of 24 letters. Greek letters have influenced the development of other fonts such as Latin and Cyrillic.
Today, the Greek letters are used primarily in science, especially often in mathematics, physics and astronomy. For example the letter pi (π) represents the ratio between the circumference and diameter of a circle, the letter epsilon (ε) is used for any small positive number, the letter sigma (Σ) represents the sum etc. In astronomy Greek letters are used for marking the brightest stars.
Interactive exercises for learning the Greek letters are composed dynamically, which means that application creates a new set of exercises each time you start practicing.