Delta is the initial letter of the Greek word διαφορά, diaphorá, "difference". (The small Latin letter d is used in much the same way for the notation of derivatives and differentials, which also describe …

The upper-case delta (Δ) is used to represent "difference" or "change" in mathematics. As well as the phrase "River delta" takes its name from the upper-case delta. The lowercase Delta (δ) is used to …

Greek alphabet letters and symbols. Greek letters pronunciation.

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 Symbol Information, easy-to-copy variants, customizer, and more. Text symbol of a Greek Letter "Delta". It is commonly used in mathematics. Example: Δ = b 2 - 4ac

Learn about the Greek letter Delta (δ), its pronunciation, usage examples, and common applications in mathematics, science, and engineering.

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

Apr 9, 2026 · Letter Δ • (D) (uppercase, lowercase δ) The upper case delta (δέλτα), the fourth letter of the modern Greek alphabet, representing a voiced interdental fricative (/ð/).

Delta (Δδ): Symbol for change, difference, or increment in mathematics and science. Used in calculus, chemistry for heat, and river delta geography.

A complete table of the Greek alphabet, including uppercase and lowercase letters and symbols. Learn common uses of Greek letters in statistics, science, and mathematics.