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Δ

Δ Delta Symbol (Uppercase)

Uppercase delta (Δ) means “change in” — e.g. Δx is the change in x; the identical-looking ∆ (U+2206) is the increment sign.

Also known as: delta symbol, change symbol, greek capital letter delta, ∆.

Codes

Symbol (Greek Delta)Δ
Increment sign∆ · U+2206
UnicodeU+0394
HTML entity (named)Δ
HTML entity (decimal)Δ
HTML entity (hex)Δ
CSS\0394
LaTeX\Delta

How to type Δ (Delta Symbol (Uppercase))

Windows

Type 0394 then Alt + X in Word, or press Alt + 916 on the numeric keypad, or use the Win + . symbol panel and search “delta”.

Mac⌥ + J

Option + J gives ∆ (the increment sign, U+2206) — identical in look. For the exact Greek letter Δ, use Character Viewer and search “greek capital letter delta”.

Microsoft Word0394, Alt + X

Type 0394, then press Alt + X to convert it to Δ.

Google Docs

Insert → Special characters, then search “delta” or “greek capital letter delta”.

LaTeX\Delta

Use \Delta in math mode (lowercase delta is \delta → δ).

Usage

  • Δ means “change in”: Δx is the change in x, ΔT a change in temperature.
  • In math it denotes a difference or the discriminant of a quadratic, b² − 4ac.
  • Note: the identical-looking ∆ (U+2206) is the increment sign; Mac's Option + J types that one.

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