Unit ECO_232;               Direct CathodeRayTube COM control
  Unit ECO_adpt;              Adapter recognition
  Unit ECO_asyn;              Direct Asynchronous card control
  Unit ECO_atv;               Archive television ARC/ARJ/LZH/PAK/ZIP/ZOO
  Unit ECO_bcnv;              Base conversion calculation functions
  Unit ECO_cal;               Popup calendar
  Unit ECO_calc;              Extensive scientific calculator functions
  Unit ECO_cfi;               C.F.I. = Compression File Interface
  Unit ECO_crc;               16 and 32 bit Cyclic Redundancy Check Functions
  Unit ECO_crt                Replacement CRT unit (ASM'd)
  Unit ECO_dos                DOS unit replacement (ASM'd)
  Unit ECO_dsqv               DesqView Compatibility Box
  Unit ECO_emou;              Extended Mouse Function Library
  Unit ECO_exe;               Interrupt Connection With Host Program
  Unit ECO_ext;               Powertools Base Extension Unit
  Unit ECO_fido;              FIDO Protocol Function Compatibility Box
  Unit ECO_fil;               PowerTools File Extension Box Functions
  Unit ECO_fosl;              IFNA/FIDO FOSSIL Functions
  Unit ECO_kbd;               Extended Keyboard Functions
  Unit ECO_mou;               Standard Mouse Functions
  Unit ECO_pal;               CGA/EGA/VGA/Herc Colour Palette Functions
  Unit ECO_pasc;              Popup Ascii Table Return Function
  Unit ECO_pclc;              Popup Calculator Return Function
  Unit ECO_play;              Extensive BASIC Play Command Functions
  Unit ECO_scrn;              Screen Saver - Graphical Function
  Unit ECO_srch;              Boyer/Moore Search Function Unit
  Unit ECO_str;               PowerTools Extension String Functions
  Unit ECO_swch;              Switch To DOS With EMS/Disc Swap
  Unit ECO_time;              Timer Functions
  Unit ECO_vga;               VGA Palette Manipulation Functions
  Unit ECO_vid;               PowerTools Extension Video Functions
  Unit ECO_vprm;              VideoParameter Functions
  Unit ECO_zmod;              ZModem Interface (Receive/Transmit)