I Introduction 1 // II Liber Abaci 13 // 1 Here Begins the First Chapter 17 // 2 On the Multiplication of Whole Numbers 23 // 3 On the Addition of Whole Numbers 39 // 4 On the Subtraction of Lesser Numbers from Greater Numbers 45 // 5 On the Divisions of Integral Numbers 49 // 6 On the Multiplication of Integral Numbers with Fractions 77 // 7 On the Addition and Subtraction and Division Of Numbers with Fractions and the Reduction of Several Parts to a Single Part 99 // 8 On Finding The Value of Merchandise by the Principal Method 127 // 9 On the Barter of Merchandise and Similar Things //10 On Companies and Their Members // 11 On the Alloying of Monies 227 // 12 Here Begins Chapter Twelve 259 // 13 On the Method Elchataym and How with It Nearly All Problems of Mathematics Are Solved 447 // 14 On Finding Square and Cubic Roots, and on the Multiplication, Division, and Subtraction of Them, and On the Treatment of Binomials and Apotomes and their Roots 489 // 15 On Pertinent Geometric Rules And on Problems of Algebra and Almuchabala 531 // 16 Notes for Liber abaci 617 // 17 Bibliography 635