While implementing new simulator capabilities it is very important to keep the usability of the new features in mind. MINIMOS-NT employs a powerful input-deck [118], enabling the user to customize the simulation settings in many details. All new features are directly available via respective input-deck keywords. In addition, it was tried to extend already existing and thus familiar functions in case the small-signal or numerical context is related to them. This chapter contains all input-deck definitions the first chapters are referring to.