function angle = degrees_to_radians ( angle )

%% DEGREES_TO_RADIANS converts an angle from degrees to radians.
%
%  Modified:
%
%    14 April 2005
%
%  Author:
%
%    John Burkardt
%
%  Parameters:
%
%    Input, real ANGLE, an angle in degrees.
%
%    Output, real ANGLE, the equivalent angle in radians.
%
  angle = ( angle / 180.0 ) * pi;