NEG - Negate Analytic Function

Changes the sign or negates an object.

Level 1->Level 1
z->-z
#n1->#n2
array ]->[ -array ]
'symb'->'-(symb)'
x_unit->-x_unit
grob1->grob2
PICT1->PICT2

Adrian Drury
Last modified: Mon Jun 15 21:39:32 EDT 1998