trip strength. I don't have a secret unifying formula; I don't think one exists for mushrooms. I just tweaked a formula until it seemed accurate,
and then I plugged in variables. I also left it open to user modification, so you can play with the values so it's customized to your unique reaction to the mushrooms.
Here's a rundown of what all the input fields are for; you probably won't need to modify most of them.