A First Course in Real Analysis (Undergraduate Texts in Mathematics) (Corr. Repr. 1998. XI, 237 p. w. 30 ill.)

Real analysis is, roughly speaking, the modern setting for Calculus, "real" alluding to the field of real numbers that underlies it all. At center stage are functions, defined and taking values in sets of real numbers or in sets (the plane, 3-space, etc.) readily derived from the real numbers;