Amusing Errors in Physics Textbooks
These ones didn't quite seem in place for the Physics Textbook Errata List
Study Guide to Accompany 'Principles in Physics'  Gordon and Serway
HarcourtBrace, 1994, p. 36.
The SI unit of mass is the hologram.
from Jim Glass:
CRC Standard Mathematical Tables, Student Edition, 16th Edition
edited by Samuel M. Shelby, PhD
Published by Chemical Rubber Company
Copyright 1968
page 382, under DERIVATIVES in the calculus section:
d sin(u) / dx = (du/dx) cos(u)
d cos(u) / dx = (du/dx) sin(u)
i.e.  the signs are opposite the correct ones, however, this mistake doesn't occur in
either the 15th or 17th editions
