Checking this will display how many Gems and/or RTE are needed to reach the Goal Badge.
Select a Type and the calculator will try to see which Pokémon you can hatch and/or evolve for that specific Type. Make sure to tick the checkbox next to "Show Eggs" and/or "Show Evolutions".
You can see your current level in the Wishforge
or under your Trainer Card.
The level of Badge you would like to have.
Checking this will display a list of Eggs that match the chosen Gem Type.
Checking this will display a list of Pokémon (or their evolution) that match the chosen Gem Type.