Fourteenth letter of the Greek alphabet

Delta is the fourteenth letter of the Greek alphabet. In the Greek numeric system, Delta has the value 4. The uppercase form of Delta is Δ, and the lowercase form is δ. The letter Delta is used in a variety of fields and concepts, including mathematics, science, and technology. In mathematics, Delta is often used to represent a change or a difference. For example, in calculus, the derivative of a function is denoted by Δy/Δx. In geometry, Delta is used to denote a triangle. In science, Delta is used to represent a thermodynamic or physical property. For example, in thermodynamics, the change in entropy is denoted by ΔS. In technology, Delta is used to denote a software update or a version number. For example, in software development, the next version of a program is denoted by Delta 2.0. The letter Delta has also been used in a variety of other fields and concepts. For example, in music, Delta is used to denote a modulation. In mythology, Delta is the name of a Titan. In astrology, Delta is the name of a constellation. The letter Delta has a rich history and significance in the Greek alphabet. It is a versatile letter that is used in a variety of fields and concepts, and has a variety of meanings and applications.