·用JAVA实现的对动态树状信息的管理。操作员可以通过IE浏览器查看整个树形结构信息，并通过浏览器（比如IE）对树进行操作。-using JAVA the right tree dynamic information management. Operator through IE browser to look at the whole tree structure information, and through the browser (such as IE) for the tree to

自己输入或计算机随机产生4个小于13的数,使用+,-,*,/,()运算符号计算24点-their input or computer randomly generated four less than the number 13, the use of ,-,*,/, () operator Symbolic Computation 24 points

Descr iption Scientific calculator. Allows to perform caclulation with high precicion and implements most populatr mathematical functions: sin, cos, tan, asin, acon, atan, exp, log, sqr, floor and ceil. Also it make it possible to define your ow

对手机本地文件的综合操作。在nokia第六版操作平台上顺利通过。学习操作手机文件的最佳利器。-Integrated local files on the mobile phone operator. In the sixth edition of nokia operating platform through unscathed. Learning how to operate the best tool for mobile phone files.