What is the Delta Symbol? The Delta symbol, represented as δ (lowercase) and Δ (uppercase), originates from the Greek alphabet where it is the fourth letter. This symbol has found applications in …

Delta is romanized as d or (in Modern Greek) dh. The uppercase letter Δ is used to denote: , the average change of y per unit x (i.e. the change of y over the change of x). Delta is the initial letter of …

Apr 6, 2023 · Delta is the fourth letter of the Greek alphabet, and it is used in mathematics and physics to represent change or difference. The uppercase delta (Δ) is often used to represent a finite change...

The capital Greek letter Δ (Delta) is used in mathematics to represent the change in a variable.

Discover and copy a comprehensive collection of science symbols, including chemistry, physics, astronomy, biology, and more. Perfect for academic papers, presentations, notes, and science …

Symbols representing physical quantities, units, mathematical operations and relationships, astronomical bodies, constellations, and the Greek alphabet.

Apr 9, 2026 · Usage notes (mathematics): Unicode establishes a distinct symbol (∆) for particular use in mathematics, but Δ is often substituted for convenience.

The uppercase form Δ is a triangle, which made it a natural symbol for geometry and change — two concepts with deep roots in ancient mathematics. European mathematicians in the 17th and 18th …

Jul 8, 2025 · The Greek letter delta (Δ or δ) is a ubiquitous symbol in scientific and technical disciplines, representing change, difference, or variation in a quantity.

Nov 5, 2023 · The Greek letter delta is used to represent change or difference in various scientific contexts. If you’re short on time, here’s a quick answer: Delta (Δ) signifies change in a variable, often …