Menu driven binary editor. Dataformats are ascii, unsigned (base 2-36: bin,oct,dec,hex,etc) and signed integers, float, bitflags, bitfields, labels, ebcdic and time_t. Different sizes and byte ordenings are possible. Datatypes  can be used in structures. Other dataformats, filters and procedures can be defined in plugins.  Contains copy, past, undo, redo, search, replace, marks, record/play and context sensitive help. Edit block devices.