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CONTENTS.
PREFACE 1
INTRODUCTION 13
CHAPTER. I. On Affirmathe and Negative , ibid.
Sect. I. On Addition and Subtraction ibid.
Sect. II. On Multiplication 14
Sect. III. On Division ibid.
Sect. IV. On Squares ibid.
Sect. V, On the Square Root 15
CHAPTER II. On the Cipher. ibid.
Sect. I. On Addition and Subtraction ibid.
Sect. II. On Multiplication ibid.
Sect. III. On Division 16
Sect. IV. On Squares, ^c , ibid.
