Greek Symbol
Math symbol

Plus-minus Symbol (±) — Copy & Paste

Tolerance, uncertainty, and quadratic solutions.

Reference

Technical reference

Tap the icon beside any value to place it on your clipboard.

Plus-minus

Character
±
Unicode
U+00B1
HTML named
±
HTML decimal
±
LaTeX
\pm
Context

Common uses

Measurement uncertainty

Lab results often write values as 12.0 ± 0.2.

Quadratic roots

The ± sign appears in the quadratic formula solutions.

Explore

More math symbols

DegreeInfinityLess than or equalGreater than or equalNot equalApproximately equal

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