cadenas
chr   concat   copy   delete   insert   length   ord   pos   upcase  
consola
clreol   clrscr   crt   delay   delline   gotoxy   highvideo   insline   keypressed   lowvideo   normvideo   nosound   readkey   sound   textattr   textbackground   textcolor   wherex   wherey   window  
conversión
str   val  
directorios
chdir   exec   findfirst   findnext   getdir   mkdir   rmdir  
ficheros
append   assign   close   erase   rename   reset   rewrite   truncate   write  
gráficos
line   rectangle  
matemáticas
abs   arctan   cos   exp   frac   int   ln   odd   pi   round   sin   sqr   sqrt   trunc  
palabra clave
begin   case   do   downto   else   end   for   if   repeat   then   to   until   while