Topic Tag: two Y-coordinate scales on Cartesian graph. Multiple graph lines. Search for: Home › Forums › Topic Tag: two Y-coordinate scales on Cartesian graph. Multiple graph lines. Viewing topic 1 (of 1 total) Topic Voices Posts Last Post Line graph with two y values at opposite ends of the graph Started by: Michael Gunner in: Tactile Graphics 2 2 3 years, 5 months ago Donald Winiecki Viewing topic 1 (of 1 total)