If you download the software and run it in demo mode you can see the basic features.
In the bottom right of the display are the phase rulers, green circle, which can be pulled onto the trace to indicate the start and end of a full cycle. In the bottom left are the time rulers, white square, which can be pulled on to the trace to see the phase relationship between any point on the screen and the phase rulers.
You can set set up a maths channel to calculate the frequency of a signal and convert this into revolutions per second/minute etc drawing the resultant trace on the screen.
If you require assistance in setting this up please email email@example.com