Aha!
There is an undocumented switch called %ENUMER (not defmvar'ed anywhere)
which lets NUMER evaluate %E:
%e^%e,numer,%enumer => 15.15
This switch is implemented in the meval1 and $ev functions in
mlisp.lisp, and only used in two places:
-- compar.lisp -- in sign1
-- in Romberg.
Yuck!
-s