Ayres, Frank Jr & Mendelson, Elliott, Calculus Schaum's
Outline Series (McGraw-Hill) 5th edition 2009. ISBN
978-0-07-150861-2.
Advanced Engineering Mathematics by Zill, Dennis G, &
Wright, Warren S. 5th Ed., 2014. Jones and Bartlett. ISBN-13:
9781449691721.
Recommended:
Spiegel, Murray R, & Liu, John, Mathematical HandBook of
Formulas and Tables Schaum's Outline Series (McGraw-Hill) 2nd
edition 1999. ISBN 0-07-038203-4. (Recommended, but any
mathematical handbook is allowed.)
Downing, Douglas, Dictionary of Mathematics
2nd Ed, Barron's 1995. ISBN 0-8120-3097-4 (not required but useful
if you forgot a lot of basic mathematics concepts.)