SYNTAX            : RANGE ;T

RESULTING ARGUMENT: Time, format HHMMSS, composed of BTIME with an offset
                    of SEC seconds.

FUNCTION          : Add seconds to a time value.

RANGE             : BTIME,SEC
                    BTIME         : the base time, format HHMMSS
                    SEC           : the offset in seconds to be applied

EXAMPLE 1         : ;T , 20 * 60 ;T =
                    Display what time it will be in twenty minutes.

EXAMPLE 2         : 0 , 86399 ;T =
                    Do the reverse of 235959 ;T (i.e. convert a number of
                    seconds into a time value).

MATRIX