On 7/1/22 7:52 PM, Al Kossow wrote: > both tek and hp had products that would show you vectors between > points in an 8x8 grid representing 64k locations > > i'm having trouble thinking of the HP part number, it was in the 160x > series. it appears on the cover of an hp journal in the mid-70s Now I want to nudge / pester Curious Mark to see if he has the equipment to demonstrate this on one of his videos. }:-) -- Grant. . . . unix || die