\BOOKMARK [0][-]{chapter.1}{Preface}{} \BOOKMARK [1][-]{section.1.1}{Computers}{chapter.1} \BOOKMARK [0][-]{chapter.2}{Definite and Indefinite Integrals}{} \BOOKMARK [1][-]{section.2.1}{The Definite Integral}{chapter.2} \BOOKMARK [2][-]{subsection.2.1.1}{The definition of area under curve}{section.2.1} \BOOKMARK [2][-]{subsection.2.1.2}{Relation between velocity and area}{section.2.1}