Solving Websites
quickmath.com
QuickMath allows students to get instant solutions to all kinds of math problems, from algebra and equation solving right through to calculus and matrices.
81,350 
$ 164,880.00
youcandothecube.com
The You CAN Do the Rubiks Cube Program objective is to share the secrets of solving the Rubiks Cube with youth and to also encourage them to help others to do the same.
112,981 $ 97,800.00