Before revision: The behavior of a particular type can be described by what is termed the characteristic equation , which derives the "next" (i.e., after the next clock pulse) output, in terms of the input signal(s) and/or the current output, .
After revision: The behavior of a particular type can be described by what is termed the characteristic equation that derives the "next" output () in terms of the input signal(s) and/or the current output, .