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Plus-Minus Sign Symbol

A symbol from the Math Symbols collection. Click the symbol or the button below to copy.

Symbol
±
Unicode
U+00B1
HTML entity
±
Category
Math Symbols

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Download Plus-Minus Sign as SVG or PNG — or add a caption to make a labelled icon, badge or sticker.

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Background
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transparent background

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5 of 96 in the math symbols collection

About the plus-minus sign symbol

The glyph is a plus sign directly above a minus sign, forming a single compact symbol. It indicates that a value may be either added or subtracted, most often seen in mathematical expressions to show a possible range or tolerance around a central figure. In technical fields such as engineering and statistics, it is used to express uncertainty, acceptable deviation, or both positive and negative solutions to an equation.

How to type Plus-Minus Sign

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

Windows

2 options
  1. Hold Alt and type 0177 on the numeric keypad, then release Alt.
  2. Or, in Word: type 00B1 then press Alt + X.

Numeric keypad required (laptops: enable Num Lock or use Fn).

macOS

2 options
  1. Press Option + Shift + = on a US keyboard.
  2. Or: Control + Command + Space opens the Character Viewer.

Linux

2 options
  1. Press Ctrl + Shift + U, type B1, then press Enter or Space.
  2. Or with a Compose key configured: Compose + + + -.

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Related math symbols

Other math symbols you can copy and paste — explore similar Unicode characters from the same family.

Explore related collections

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