1. Electronic device to calculate linear functions and to calculate and generate non-linear functions, intended to process signals, characterized in that it comprises at least a calculator unit ( 11 ) able to calculate said linear functions, a generator device ( 12 ) able to generate arbitrary functions, including said non-linear functions, and a selector device ( 13 ) able to selectively put said electronic device ( 10 ) into at least a first mode to calculate said linear functions and at least a second mode to generate said non-linear functions.