Preface 1 Some Fundamental Results 1.1 Introduction 1.2 Metric Spas 1.3 Cone Metric Spaces 1.4 Contractions 1.4.1 Banach Contraction Principle 1.4.2 Kazan Contraction 2 Fixed Point Theorems in Cone Metric Space 2.1 Introduction 2.2 Preliminaries 2.3 Fixed Point Theorems in Cone Metric Space 3 Application of Fixed Point Theory in solving Nonlinear Equation 3.1 Introduction 3.2 Method and Tools 3.2.1 Picard iterative procedure 3.2.2 Maan iterative procedure 3.2.3 Ishikawa iterative procedure 3.3 Comparative study ofiteration methods 3.4 Fixed Point Iteration in 2D and 3D 3.4.1 Algorithm for Nonlinear Systems in 2D 3.4.2 Algorithm for Nonlinear Systems in 3D 35 Conclusions 4 Approximate Fixed Point Theorem 41 Approximate Fixed Point 42 Approximate Fixed Point Theorem Bibliography ��݋��ӛ