caliper test, need help

[Soothsayer]

I have calipers, but the book that came with it
is only for 3 sites, upper back of arm, side of waist, and upper chest near the shoulder.
Where do i measure for a 7 point site, and how do i do the calculations?

Thanks!

 

[Hoffmeister]

http://www.enforcergraphics.f2s.com/bodyfat.htm