arclenexp2d:Arc length explicit 2D
arclenparm2d:Arc length parametric 2D
ccrossarea:Crossed cubic area
circdist:Circular distance
cubicarea:Cubic area
eclipse:Eclipse area
lenpolclose:Polar length closed
lenpolopen:Polar length open
lenpolspiral:Polar length spiral
logarea:Given log area
parabary:Parabolic barycenter
pararea:Parabolic area
pararea2:Parabolic area II
parcirc:Parabole+circle area
qcrossarea:Crossed quadratic area
quadarea:Given quadratic area *
reservoir:Spherical reservoir
suprevx:Surface of revolution X
volrevx:Volume of revolution X
