README-en.md edited online with Bitbucket

README-en.md

 
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-Once the object is created, its methods provide the only way to change its attributes, to obtain information about them, or to compute with them. This is why the set of methods is commonly called the *interface*. The methods are the interface between the object’s user and its content.
+Once the object is created, its methods provide the only way to change its attributes, to obtain information about them, or do computations with them. This is why the set of methods is commonly called the *interface*. The methods are the interface between the object’s user and its content.
 
 In general, in each class the prototypes of the methods are defined to construct the objects, and to search, manipulate and store the data. The following is a general format of a method prototype: