2008 年 1 月 17 日
Finally I have started organizing a collection of solved problems that I have, I've posted about 20 statistics exercises, with complete solutions. So take a look at some of our free math word problems. I'll be posting some more briefly
添加了新部分
2007 年 10 月 30 日
We have added an "Articles" section. A diverse array of topics from college, grad school to math homework help and math answers
更多教程
2007 年 7 月 10 日
We have some new Statistics and Calculus tutorials
新教程和求解器
2007 年 7 月 6 日
Quadratic Equations tutorial added. Also, a nice graphical tool to make pie charts was added.
新教程
2007 年 6 月 24 日下午 1:30
New tutorials added (z-scores).
如果您有任何建议,或者如果您想报告一个损坏的求解器/计算器,请不要犹豫 联系我们 .
如果您有任何建议,或者您想报告一个破坏的求解器/计算器,请不要犹豫 联系我们 。