This is my personal projects for learning purposes, that I will use to list calculation logic in RPG that I played.
It can be weapon, persona, digimon, etc..
Currently available calculators are:

• Persona5 Royal
  Credit to: https://aqiu384.github.io/, https://chinhodado.github.io/, and https://steamah.com/persona-5-royal-fusion-guide/ that I use as reference