Step 1  Where are they? 

Step 2 
Enter the level of each partied pokemon. Omit knocked out and egg pokemon. 
LVL: LVL: LVL: 
  Rarity  If the area chosen has NORARITY, then any one is chosen at random. Otherwise, the rarities are : 50% common, 33% uncommon, 17% rare 
+/  Level Variance  How many levels a spawned pokemon's level can differ from the average team level 
+/  Quantity Variance  How many more/less pokemon are spawned compared to the number in the team. If the trainer has one or less pokemon, there will only be one spawn. 
1 in  Shiny Probability  The probability that it is shiny 
1 in  Knows a TM Probability  The probability that it has a TM move also (will be bolded) 
1 in  Holds a Berry Probability  The probability that holds a random berry 
1 in  Drops a Random Item Probability  The probability that has a random item in its "inventory", aka, it would be recovered/looted/found . This can be any random item, so if something strange appears, do with it as you will. 
1 in  Drops a TM Probability  The probability that holds a TM disk in its "inventory", aka, it would be recovered/looted/found . It will never be a HM, only TMs. It is possible to have both a TM and item with a 1 in ( * ) chance. 