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Kappa Symbol and Greek Letters: Complete LaTeX Reference

Date Published

The Kappa Symbol in LaTeX

Kappa (κ, Κ) is used across physics, statistics, and mathematics. Here's your complete guide.

Typing Kappa

Lowercase Kappa

Uppercase Kappa

Uppercase Kappa looks identical to the Latin K, so just use:

Variant Kappa

Common Uses of Kappa

Physics: Thermal Conductivity

Physics: Dielectric Constant

Statistics: Cohen's Kappa

Where:

  • p_o = observed agreement

  • p_e = expected agreement by chance

Cosmology: Curvature Parameter

Computer Science: Condition Number

Related Greek Letters

Commonly Used Together

The Full Greek Alphabet

Lowercase:

Uppercase:

Styling Kappa

Bold Kappa

Kappa with Subscripts

Kappa in Different Fonts

Example: Statistical Formula

Example: Physics Equation

Greek Letter Quick Reference Table

Use Greek Letters in Octree

Octree makes Greek letters effortless:

  • Type letter names, autocomplete to symbols

  • AI suggests contextually appropriate letters

  • Quick-access Greek letter palette

  • Instant preview of all symbols

Try it at https://useoctree.com