anchor.diff:                td Relative density
                 td
   
  +        h2#terminology Terminology
  +        dl
  +          dt Flight path
  +          dd The path through space traced by the centre of gravity
  +
  +          dt Equivalent airspeed (EAS)
  +          dd The airspeed at sea level in the International Standard Atmosphere at which the dynamic pressure is the same as the dynamic pressure at the true airspeed (TAS) and altitude at which the aircraft is flying.
  +          dd \[ \frac{1}{2} \rho V^2 = \frac{1}{2} \rho_0 V_E^2 \]
  +          dd \[ V = V_E \left(\frac{\rho_0}{\rho}\right)^\frac{1}{2} = \frac{V_E}{\sqrt{\sigma}} \]
  +        h3#wing-planform-terminology Wing planform terminology
  +        dl
  +          dt Chord
  +          dd The distance between the leading edge and the trailing edge
  +
  +          dt Taper ratio
  +          dd The ratio between the tip chord and the root chord
  +          dd \[ \lambda = \frac{c_T}{c_R} \] 
  +
  +          dt Wing sweep
  +          dd The angle that the wing makes against oncoming flow
  +
  +          dt Aspect ratio
  +          dd Non-tapered wings: ratio between the wing span and the mean chord
  +          dd \[ A = \frac{b}{\bar{c}} \]
  +          dd Tapered wings: ratio between the wing span and the planform area
  +          dd \[ A = \frac{b^2}{S} \]
  +
   
   
         include ../inc/aerodynamic-terms.jade
  
positive.code:               td Relative temperature
                td
              tr
                td: var &rho;
                td Density
                td kg m#[sup &minus;3]
  
negative.code: 
        section
          h1#definitions Definitions
          h2#quantities Quantities
          table.c-quantity-table
            thead
              tr
  