Delta (/ ˈ d ɛ l t ə / DEL-tə; [1] uppercase Δ, lowercase δ; Greek: δέλτα, délta, ) [2] is the fourth letter of the Greek alphabet. In the system of Greek numerals, it has a value of four. It was derived from the Phoenician letter dalet 𐤃. [3] Letters that come from delta include the …

Delta (uppercase Δ, lowercase δ) is the fourth letter of the Greek alphabet. In the Greek numeral system, it has the value of four. Originally, the letter delta derived from daleth (the Phoenician letter), which meant door. So, at the beginning, the letter D was drawn as a gate or a door. The capital letter looked alike as the Phoenician's.

大写Δ，是 西里尔字母 的Д和 拉丁字母 的D都是从 Delta 变来。 Delta 亦是三角洲的英文，源自 三角洲 的形状像 三角形，如同大写的 delta。 Δ（小写 δ），是第四个 希腊字母。 读音：Delta（德尔塔）。 西里尔字母 的Д和拉丁字母的D都是从Δ变来。 Delta 亦是三角洲的英文，源自 三角洲 的形状像三角形，如同Δ的形状。 在 二次函数 或一元二次方程 中代表根的 判别式。 一元二次方程 的求根公式： [1] 在物理学中，表示 物理量 的变化，如 (热量= 比热容 ×质量×温度差)。 生物 …

2025年1月24日 · The upper case delta , the fourth letter of the modern Greek alphabet, representing a voiced interdental fricative (/ð/).

Serif typefaces (fonts) have an extra stroke or decorative design on the end of letters. Sans Serif typefaces do not have any such design or stroke. Some common Serif typefaces are Times New Roman, Georgia, Palatino and Garamond. Common Sans Serif typefaces include Arial, Helvetica, Robotica and Tahoma. This paragraph is set in a serif typeface.

In mathematics, physics and chemistry, the upper-case letter Δ is used to denote "changes" in a variables (e.g., ). It can also be used to represent discriminant —a key algebraic expression used to determine the number of roots a polynomial has.

The Greek letters you are most likely to see for angles (in geometry and trigonometry) are α (alpha), β (beta), γ (gamma), δ (delta), and θ (theta). And of course you'll be using π (pi) all the time. Make sure you know how to spell and pronounce at least these six Greek characters.

What is the meaning of the Greek letter delta? Delta, represented by the symbol “Δ” in uppercase and “δ” in lowercase, signifies change or difference in various contexts. It’s like the mathematical symbol for “change.” In what disciplines is delta commonly used? Delta finds its home in mathematics, science, engineering, and finance.

What is the Greek letter 'Δ' (Delta) commonly used for? 'Δ' (Delta) is often used in mathematics and science to represent change or difference. It plays a crucial role in calculus, physics, and engineering, symbolizing variations in quantities such as distance, temperature, or other measurable parameters.

Delta (uppercase Δ, lowercase δ or ?; written in Greek as δέλτα), is the fourth letter of the ancient Greek alphabet. In the Greek numeral system, Delta holds the value of 4. As with other Greek letters, Delta is believed to have also been derived from a Phoenician letter. It is related to the Phoenician letter, dalet.