Statistics and Probability Symbols

Copy symbols used for averages, variance, standard deviation, probability, distributions, and samples.

Statistical notation varies by field, so check the surrounding convention when a symbol can represent more than one quantity.

Copy Statistics and Probability Symbols

SymbolNameUnicodeHTMLDecimal HTML
Greek Small Letter MuU+03BC
Greek Small Letter SigmaU+03C3
Greek Capital SigmaU+03A3
X With Combining MacronU+0078
P With Combining CircumflexU+0070
Tilde OperatorU+223C
Proportional ToU+221D
DividesU+2223
IntersectionU+2229
UnionU+222A
Double-Struck Capital PU+2119
Double-Struck Capital NU+2115

Reliable Ways to Type These Symbols

Copying is the most consistent method across browsers and mobile devices. In Microsoft Word, type the hexadecimal digits from the Unicode value without U+, then press Alt+X. On Linux, many applications accept Ctrl+Shift+U, followed by the hexadecimal code and Enter. macOS users can enable the Unicode Hex Input keyboard in System Settings and hold Option while entering the code.