Special operators may be used to reduce expressions in PATCH commands.
 The special operators are presented in two tables.  One for Arithmetic
 expressions and the second for Addressing.

 Note:	PATCH normally evaluates expressions from right to left.
 	No arithmetic prececedence is performed.

 Special operators for ARITHMETIC expressions:

 Operator	Name 			Function

    +		Addition		Addition operator in arithmetic
 					expressions or unary plus sign

    -		Subtraction		Subtraction operator in arithmetic
 					expressions or unary minus sign.

    *		Multiplication		Multiplication operator in arithmetic
 					expressions.

    /		Division		Division operator in arithmetic
 					expressions.

    @		Shift			Shift operator in arithmetic
 					expressions.

   < >		Precedence		Precedence operator in arithmetic
 					expressions or Bit field delimeters
 					for the EVALUATE command.

    ^		Radix			Radix operator for, Hexadecimal,
 					Decimal, Octal, or Binary notation.

 Special operators for ADDRESSING:

 Operator	Name			Function

    .		Current location	Address of the current location.

    ^		Previous location	Address of the previous location.

    :		Range operator		Range operator for the CHECK ECO,
 					CHECK NOT ECO, EVALUATE, and
 					EXAMINE commands.

    \		Indirection operator	Displays either the contents of the
 					value stored in an address specified
 					in the previous EXAMINE command.