difference between aspenone and aspen hysys

[xxx]

hello

can anyone tell me the difference between aspen one and aspen hysys?
I thaught that hysys was newer en more improved... I have to calculate HRSG
heat recovery steam generators sort of heat exchanger wich one can i use the best. and what about HX-net does any body have this software is this a heat exchanger software. please let me know.

thank you

[xxx]

now i have also seen aspen plus. wat is the difference between these three software. thnxz

[armin35]

anyone here knows how aspen plus works, which Icon I suppose to use. Thanks

[qazinasir]

anyone know how to link aspen plus to matlab ?