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Aug 08, 2026
HTML Entity Detail
HTML Entity - Small Letter Xi
Small Letter Xi is a lowercase Greek alphabet letters used in formulas, constants, and academic notation. This HTML entity enables web developers to display this character reliably across all browsers without encoding issues.
Symbol preview
ξ
Unicode
U+03BE
HTML entity
ξ
CSS code
\03BE
Usage Examples
Use this HTML entity in mathematical formulas and scientific constants. For example, π for pi, α for alpha, β for beta.
Related Entities
Common Mistakes
⚠️
Mistake: Confusing Greek lowercase letters with their Latin look-alikes
Fix: Greek ν (nu) looks like Latin v, Greek ρ (rho) looks like Latin p, Greek ω (omega) looks like Latin w. These are different characters with different Unicode values and distinct meanings in formulas.
⚠️
Mistake: Using the wrong Greek letter for a standard scientific constant
Fix: Each scientific field has conventions: π for pi constant, μ for coefficient of friction, λ for wavelength, ρ for density, σ for standard deviation. Check the standard notation for your field.
Small Letter Xi
Select any code to highlight it before copying.
Category: Greek Alphabet - Small Letters
| Unicode | U+03BE |
|---|---|
| Hex Code | ξ |
| HTML Code | ξ |
| HTML Entity | ξ |
| CSS Code | \03BE |
| Windows Shortcut | |
| Mac Shortcut | |
HTML code example
CSS code example
Last updated: 17 Aug 2026
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