+180/pi+
constant
+2pi+
constant
+e+
constant
+pi+
constant
+pi/16+
constant
+pi/180+
constant
+pi/2+
constant
+pi/32+
constant
+pi/4+
constant
+pi/8+
constant
calculate-normal
cross
deg->rad
dist
dist3
dot
modulus
normalize
plane
polar->cartesian
quaternion-to-opengl-rotation
vector-sub
which-side
