A Free 11-Week Digital Photo Class by a Former Stanford Professor
Want to take a university-level class on digital photography for free? Former Stanford professor and current Google engineer Marc Levoy has a site containi
Free Star Wars Valentine Printables #247moms
In modern notation, the free Boolean algebra on basic propositions p and q arranged in a Hasse diagram. The Boolean combinations make up 16 different propositions, and the lines show which are logically related.