Physical constants, integrals, derivatives, trig ids

http://physics.nist.gov/cgi-bin/cuu/Category?view=pdf&All+values.x=65&All+values.y=18


http://integral-table.com/


http://www.math.com/tables/derivatives/tableof.htm


http://www.sosmath.com/trig/Trig5/trig5/trig5.html