The notation for line numbers refer to lines counting down from the top of the page (positive values) and lines counting up from the bottom of the page (negative values). I include footnotes and section headings in the line count.

An updated Errata is maintained at www.math.ubc.ca/~keshet/

Preface.

• Page xv, bottom: Last brace should be labeled III.

Chapter 1.

• Page 12, line ?7: Insert C in the last term:

  
  

• Page 17, line 16: ?=2.0 (not 0.2).

• Page 18: The caption to Table 1.1 should include p ₀=100, and (a) p ₁=80, (b) p ₁=96.

• Page 19: In Section 1.6, delete the subscript n in all occurrences of b _n (in properties 1 and 3).

• Page 25, caption to Figure 1.5: Replace the last sentence with The amplitude of oscillation is related to r ⁿ and the frequency is

• Page 27, line 9: As in problem 1,

• Page 29, Problem 1: Change last sign: x _{n +2} ?3 x _{n +1}+2 x _n=0. Disregard 3(b).

• Page 30: The Taylor series for sine and cosine in Problem 5 are incorrect and should be replaced by

  
  

  Disregard Problem 6(c).

  Problem 6(f) should read

  
  

• Page 31, Problem 9(c): x _{n +2}+2 x _{n +1}+2 x _n=0.

• Page 33: The historical note is irrelevant to problem 14(b). Disregard.

• Page 34, line 7: a+ b>1.