Matrix

Class type : Math class
Matrix implementation with methods :

• initialisation
• representation
• addition
• substraction
• negation
• multiplication
• transmutation (__invert__)
• contain (python in function)
• setitem (via matrix[(i,j)]=value)
• len (return a tuple (i,j))

Complex

Class type : Math class
Complex implementation with methods :

• initialisation
• representation
• real part
• imaginary part
• negation
• equality
• addition
• multiplication
• division

Rational

Class type : Math class
Rational implementation with methods :

• initialisation
• representation
• hash (for set purposes)
• equality
• invert
• negation
• addition
• multiplication
• substraction
• division