Subscript Plus Sign Symbol

A symbol from the Superscript and Subscript Symbols collection. Click the symbol or the button below to copy.

Superscript and Subscript Symbols collection

Symbol: ₊
Unicode: U+208A
HTML entity: ₊
Category: Superscript and Subscript Symbols

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28 of 45 in the superscript and subscript symbols collection

About the subscript plus sign symbol

The subscript plus sign represents the addition operation when it appears below the baseline, typically in mathematical or chemical notation. It is used in formulas, equations, and scientific expressions where a plus sign needs to be written as a subscript, such as in chemical formulas indicating positive ions or in mathematical subscripts for variables.

This character belongs to the Superscripts and Subscripts block and is classified as a math symbol. It appears in technical documents, academic papers, and textbooks that require precise notation for subscripts in mathematics, chemistry, and physics.

How to type Subscript Plus Sign

Native keyboard shortcuts for each operating system — derived from the codepoint, so the steps below are always accurate.

Windows

2 options

In Word / Outlook: type 208A then press Alt + X.
Anywhere: press Win + . to open the emoji & symbol picker, then search.

macOS

2 options

Enable “Unicode Hex Input” in System Settings → Keyboard, then hold Option and type 208A.
Or: Control + Command + Space opens the Character Viewer — search by name.