Pages for the translation and our commentary are given below, followed by the page and line number of the Arabic edition. The Arabic portion of this book receives a separate pagination. It is placed after the English part, or at the beginning if you are an Arabic reader. The chapter and section titles in this index are sometimes paraphrased from the Arabic.
Trans. 
Comm. 
Edition 


[Introduction]  59.1  59.1  59.1 
Part I. Known numbers  61.9  61.9  61.9 
I.1 Whole numbers  63.1  63.1  63.1 
I.1.1 The divisions of numbers and their ranks  65.1  65.1  65.1 
§ Knowing the index of the repeated number  71.12  71.12  71.12 
I.1.2 Addition  73.1  73.1  73.1 
I.1.3 Subtraction  83.1  83.1  83.1 
§ Checking calculations by casting out  91.1  91.1  91.1 
I.1.4 Multiplication  95.1  95.1  95.1 
I.1.5 Division  117.1  117.1  117.1 
§ Finding deaf parts  127.9  127.9  127.9 
I.1.6 Restoration and reduction  129.1  129.1  129.1 
I.2 Fractions  131.1  131.1  131.1 
I.2.1 Names of fractions and numerating them  134.1  134.1  134.1 
I.2.2 Adding and subtracting fractions  147.1  147.1  147.1 
I.2.3 Multiplying fractions  149.1  149.1  149.1 
I.2.4 Division and denomination  151.1  151.1  151.1 
I.2.5 Restoration and reduction  154.1  154.1  154.1 
I.2.6 Converting  157.1  157.1  157.1 
I.3 Roots  161.1  161.1  161.1 
I.3.1 Taking roots of whole numbers  
and fractions  163.1  163.1  163.1 
[Binomials and apotomes]  173.4  173.4  173.4 
I.3.2 Adding and subtracting roots  179.1  179.1  179.1 
I.3.3 Multiplying roots  183.1  183.1  183.1 
I.3.4 Dividing and denominating roots  187.1  187.1  187.1 
Part II. Finding unknown numbers  191.1  191.1  191.1 
II.1. Solving problems with proportion  193.1  193.1  193.1 
[The four proportional numbers]  195.7  195.7  195.7 
[The method of scales (double false position)]  198.2  198.2  198.2 
II.2 Algebra  209.1  209.1  209.1 
II.2.1 The meaning of algebra  211.1  211.1  211.1 
II.2.2 Solving the six types [of equation]  213.1  213.1  213.1 
II.2.3 Addition and subtraction  219.1  219.1  219.1 
§ Examples with the two sides  
of an equation  223.1  223.1  223.1 
II.2.4 Multiplication and knowing  
the power and the term  225.1  225.1  225.1 
II.2.5 Division  229.1  229.1  229.1 
§ Secret numbers  231.1  231.1  231.1 