Thomas’ Calculus, Media Upgrade (11th Edition) by Joel Hass
http://rapidshare.com/files/212107327/Thomas__Calculus_11th_Edition.pdf
Handbook of Mathematics for Engineers and Scientists by A. D. Poliyanin
http://rapidshare.com/files/49878702/Handbook_of_Mathematics_for_Engineers_and_Scientists.pdf
Thumb Mathematical and Physical Data, Equations, and Rules of Thumb
http://rapidshare.com/files/89404280/Math._and_Phys._Data_-_Equations_and_Rules_of_Thumb_-_S._Gibilisco.pdf