this is a simple spread sheet i made and feel free to improve upon it and modify it to your wills.

https://docs.google.com/spreadsheets/d/1MwWNbbaTiiA8Qw82Wb2J8_MvTag6SfDb0F9grIzUM40/edit?usp=sharing

thats pretty cool thanx. its nice to know someone else is out there still playing this game.