Spellbooks [D&D 3.x]

[quick_comment]

Uhh... 0^2 is one, not .25 (which would be fifteen minutes), and 81 hours is three and a half days, not an hour more than ten days... ten days is 240 hours.

I'm... not sure where the errors came from, but they were there.

Cantrips are almost universally treated as 1/2 level spells.