A - arithmetic
Y - system stuff
D - data base maniplation
F - function and flow of control


Big plan
 title page
 preface
 Table of contents
 1st Movement (allegro non troppo)
  *ch1 intro to franz, details of data structures
       and description of notation
  *ch2 data structure functions
  *ch3 arithmetic functions
  *ch4 special functions
  *ch5 i/o functions
   ch6 system functions and misc
 2nd Movement (Largo)
  +ch7 the reader
   ch8 garbage collection
   ch9 arrays
   ch10 exception handling
 3rd Movement (Scherzo)
   ch11 the trace package
   ch12 the compiler
 Final Movement (allegro)
   function index
   concept index