About Clavius and this project.

• First Volume
  • Endleaf Front
  • Opera Mathematica title page and verso
  • Preface to Opera Mathematica
  • Table of contents for Opera Mathematica
  • Volume Title Page and verso
  • Prolegomena to the Mathematical Disciplines
    • Contents
  • Commentary on Euclid
    • Preface and Divisions
    • I
    • II
    • III
    • IV
    • V
    • VI
    • VII
    • VIII
    • IX
    • X
    • XI
    • XII
    • XIII
    • XIV
    • XV
    • XVI
    • Recapitulation
  • Commentary on Theodosius
    • Contents
  • On Secant and Tangent Lines
    • Contents
  • Plane Triangles
    • Contents
  • Spherical Triangles
    • Contents
  • Index for Books on Triangles
    • Index Contents
  • Endleaf Back
• Second Volume
  • Endleaf Front
  • Volume title page and verso
  • Practical Geometry
    • Preface
    • I
    • II
    • III
    • IV
    • V
    • VI
    • VII
    • VIII
    • Index
  • Practical Arithmetic
    • Title Page
    • Preface
    • Contents
    • Index
  • Algebra
    • Title page and verso
    • Preface
    • Contents
    • Table of contents
  • Endleaf Back
• Third Volume
  • Endleaf Front
  • Volume Title Page and verso
  • Introduction to volume
  • Commentary on John of Holywood's Spheres
    • Title page
    • Table of contents
    • Figure
    • Preface
    • I
    • II
    • III
    • IV
    • Index
  • Astrolabe
    • Title page
    • Table of contents
    • Preface
    • I
    • II
    • III
    • Index Bk. I
    • Index Bk. II
    • Index Bk. III
  • Endleaf Back
• Fourth Volume
  • Endleaf Front
  • Volume Title Page and verso
  • Volume Introduction
  • Gnomonics
    • Title Page
    • Preface
    • I
    • II
    • III
    • IV
    • V
    • VI
    • VII
    • VIII
    • Index
  • Construction and Use of the Sun Dial
    • Contents
  • New Description of the Sun Dial
    • Title page and verso
    • Prologue
    • Chapters
    • Tables
    • Problems
    • Brief Compendium
    • Notes
    • Tables of contents
• Fifth Volume
  • Endleaf Front
  • Volume Title Page and verso
  • Volume introduction
  • Roman Calendar of Gregory XIII
    • Title page
    • Introduction
    • Readings
    • Preamble
    • Compendium
    • Calendar
    • Table of contents
    • Index of chapter contents
    • Alphabetical index
  • Apology against Michael Maestlin
    • Title page
    • To Readers
    • Preface
    • Contents
  • Apology Appendices
    • Title page and verso
    • Joseph Scaligeri's critique
    • Response to Scaligeri
    • Refutation of Scaligeri's Cyclometry
    • Critique of George German's Calendar
    • Admonition of T. Rubeus against Francis Vieta
    • Response of L. Castellanus to the Admonition
  • Endleaf Back