As late as 2008 or so, when leaving university, there was still a PC running DOS for it's pulse height analyzer card for spectroscopy. Same thing: still works,

As late as 2008 or so, when leaving university, there was still a PC running DOS for it's pulse height analyzer card for spectroscopy. Same thing: still works, and the pain to use it is not bad enough to warrant the $10k or whatever it takes to replace it with a completely new measurement system.... Which often won't even have better specs regarding the actual measurement.