# Quantity Codes¶

Below are tables enumerating the menu codes necessary to specify diagonstic outputs in Rayleigh.

Note that we use the shorthand $${\boldsymbol{\mathcal{J}}}$$ to denote the curl of $${\boldsymbol{B}}$$, namely $${\boldsymbol{\mathcal{J}}\equiv\boldsymbol{\nabla}\times\boldsymbol{B}}$$.