I am kinda curious now what double precsion programs are out there?
Without going into the technical side, double precision is used in 64 bit floating point arithmetic. So any software written for 64 bit and requires the extra accuracy would benefit from it.
That would be software like Industrial CAD where precision is important. Scientific calculations or medical analysis. Accuracy is more important than speed here.
Things that wouldn't really benefit from having the extra precision due to the extra processing time it takes are anything that prioritises speed over accuracy. Games, low latency audio processing, most graphic operations, general OS usage etc.
Anim