By constructing base 10 floating point numbers with ``[list Significand 'E Exponent]''. As if `E' is a binary operator. Of course that makes no sense in Lisp. ``(Decimal Significand Exponent)'' would make sense.
For example: : (sqrt 2) -> (141421356237309505 E -17) -- UNSUBSCRIBE: mailto:picolisp@software-lab.de?subject=Unsubscribe