The numbers to the left.. such as 100.0 is 1hp or 100 OzIn of TQ. The numbers on the bottom are the RPMs of the engine. So you just follow the lines across. Pretty simple when you look over at the analysis and HP and TQ boxes. And if you look at the Corr HP and Corr OzIn the lines are color coded to that, so that will tell you which line is HP and which line is TQ. Hope this helps.