Wake up the inner geek in you with this unique timepiece – “Albert Math Clock“, a clock that uses math equations to tell time instead of those boring ol’ hours and minutes. With 4 levels of difficulty, this clock is great for kids who are learning math and adults who like to keep their skills sharp. Its sleek and timeless design would look great in any modern home interior! Available on Thinkgeek.com, this Albert Math Clock is now only USD $129.99, instead of the usual price of USD $319.99. ThinkGeek provides customers free standard shipping for orders over USD $75 to any US address, so take advantage of that by becoming a Buyandship member!