public marks

PUBLIC MARKS from naner with tags life & 思考

23 June 2006

Cool math .com - An amusement park of math and more!

great math website teaches conspts in much depth。 A place for teachers, parents, and students to learn math through games! - arbrockman This site is a great online math resource for students. It has games and lessons.Fun ways to do math, hundreds

Sheena S. Iyengar - Research

Providing many options — particularly when the differences between them are small — can make people feel overwhelmed and overloaded, and as a result, less likely to buy or pursue any of the options available.

20 June 2006