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NUMXOR()

Syntax:     NUMXOR(<expH1>,<expH2>)

Arguments:  <expH1> and <expH2> are either decimal numbers or a
            hexadecimal string of digits.

Returns:    A numeric value.
            Will return the exclusive OR of the two arguments.

Usage:      Only the bits that were different in the two interconnected bit
            fields will be set to one in the resultant number.  With
            NUMXOR() it is possible to encode small numbers very
            easily.  It is also commonly used in check sum calculations.

Notes:      An invalid argument will lead to the result of -1.

Library:    CT1.LIB


--------------------------------- Example ------------------------------

Examples:   * A connection of two numbers with NUMXOR()
            ? NUMXOR(3,5)               && Result: 6

            * Value 1 in binary:        00000011
            * Value 2 in binary:        00000101
            *
            * Result 6 in binary        00000110

            * Coding and decoding numbers
            ? NUMXOR(NUMXOR(num,9),9)   && will return num