No, it's a VT100 with a 'function generator' board in it. This board adds the ability to plot mathematical functions -- for each column of the display (that's dot column, mot character column), you can set store 2 Y values. Either the point at that Y value is displayed (so you can plot the graphs of 2 functions) or all points below the specified one (including it, I think) are displayed, so you can plot barcharts. It was a way to get a fairly high-res display with limited memory, but of course it's useless for displaying bitmapped images, etc. It was certainly supplied with the MINC (in fact the schematic of the extra board is in my MINC printset), but it works with anything with an RS232 interface. Incidentally, a VT55 is a VT52 with a similar graphics display capability. -tony

At 05:21 PM 12/29/2004, Vintage Computer Festival wrote: According to the manual, it's a graphics display terminal. A special "function generator" module let it display pre-set things such as: bar graphs, strip charts, histograms and horizontal and vertical lines as built in functions. Was superceded by the VT125 a more general purpose graphics display terminal. Ed K.