Efnisyfirlit

• Cover
• Title Page
• Copyright
• Contents
• Preface
• 1 Heavenly Mathematics
• 2 Exploring the Sphere
• 3 The Ancient Approach
• 4 The Medieval Approach
• 5 The Modern Approach: Right-Angled Triangles
• 6 The Modern Approach: Oblique Triangles
• 7 Areas, Angles, and Polyhedra
• 8 Stereographic Projection
• 9 Navigating by the Stars
• Appendix A. Ptolemy’s Determination of the Sun’s Position
• Appendix B. Textbooks
• Appendix C. Further Reading
• Index