If you look at slide 12 of the linked presentation of this thread, you can see that John says that Pi is an exact number... The VR world article tries really ha

If you look at slide 12 of the linked presentation of this thread, you can see that John says that Pi is an exact number... The VR world article tries really hard, but falls flat when it comes to actually describing unums (I've been working with John and unums for a little over a year at this point).