UP TACK WITH CIRCLE ABOVE
PERPENDICULAR
OPEN SUBSET
REVERSE SOLIDUS PRECEDING SUBSET
VERTICAL BAR WITH HORIZONTAL STROKE
LONG DIVISION
MATHEMATICAL FALLING DIAGONAL
WHITE DIAMOND WITH CENTRED DOT
LOWER RIGHT CORNER WITH DOT
UPPER LEFT CORNER WITH DOT
FULL OUTER JOIN
LARGE DOWN TACK
LEFT MULTIMAP
MATHEMATICAL LEFT WHITE SQUARE BRACKET
MATHEMATICAL RIGHT DOUBLE ANGLE BRACKET
MATHEMATICAL LEFT FLATTENED PARENTHESIS