negative number: plain negated

second number missing:

operator "<": smaller equal greater

operator "<=": smaller equal greater

operator "=": smaller equal greater

operator "==": smaller equal greater

operator ">=": smaller equal greater

operator ">": smaller equal greater

with negative numbers: mm mp pm

operator "&": 00 01 10 11

operator ":": 00 01 10 11

with scaling units: 1i>2c 1i-6P

unmatched parenthesis: (t) one

negated unmatched parenthesis: (t) zero