I don't have the calculator and I have never seen it, but I can give you general information on how to use it. I'm assuming you don't know how to use Pot Odds.
Pot Odds (PO) are the odds you get paid if you win. Win% is the odds of you winning. This ratio, PO/Win% is a metric you can use to continually lose hands while making your stack grow larger and larger. Or in another terminology, how to suck out and win.
To give a simplistic example, when you flop a four flush or an open ended straight you have about one chance in three (1:3) of winning the hand. (I've rounded to make things easier.) If the pot is 800 and you open the post flop betting with 200, you have a five fold return on your bet (200:1000, or 1:5).
You win by losing if you always make the bet because out of 30 hands you lose 20 times, for a total loss of 400 * 20 = 8,000. (That's 200 preflop and 200 after the flop.) But you win 10 times for a total of 10 * 1,000 = 10,000, or a net of 2,000 chips.
It does not matter what you have, if you play the pot odds long enough you will always win chips.
The PO/Win% ratio is a metric that says bet or not bet. You want to bet on a positive expectation. So if you Pot Odds are better than your Win% the metric you are seeing is telling you to bet or call.