COMMENT ⊗   VALID 00002 PAGES
C REC  PAGE   DESCRIPTION
C00001 00001
C00002 00002	  external  simple boolean  procedure  even(integer n)
C00003 ENDMK
C⊗;
  external  simple boolean  procedure  even(integer n);
  external  simple  real  procedure  myatan(real num, den);
  external  simple  integer  procedure  modd(integer n, modulo);
  external  simple  real  procedure  tand(real deg);