jisuanqi

说明：  模拟舰船Kelvin尾迹，不考虑船首尾及粘滞影响(The simulation of ship wake Kelvin, without considering the fore and aft and viscous effect)

VB将彩色图象黑白化典型示例代码,有需要的就下。(VB of the typical black and white color image sample code, there is a need on the next.)

Implement the base class of the control panel

sin()函数 给定一个弧度值或者任意数值，可以计算相应的sin值即正弦值(sin () function is given a value, or any value in radians, we can calculate the corresponding value of the sine value sin)

支持计算式编辑并计算，并提供常用方程，函数键盘，时间显示等功能(Support calculation formula editor and calculate and provide commonly used equations, function keyboard, the time display and other functions)

禁用USB，光驱，注册表，组策略..等，，(Disable USB, CD-ROM drive, registry, group policy .. and so on,)

获取并替换word表格值，非常实惠好用的小软件，与大家分享。(get word)

动态数组应用实例。将动态数组运用于房间的计算，包括房间个数，总面积，平均面积，最大以及最小房间面积等(Dynamic array application example. Dynamic arrays used in the calculation of the room, including the room number, the total area, average size, maximum and minimum room size, etc.)

一个桌子，可以对其进行移动旋转，并可设置长宽高。(A table, you can move the rotation, and can set the length and breadth.)

可用于抽奖等需要临时随机抽号的场合（压缩包中详细的说明文档）(Can be used to draw random numbers that require temporary occasions (compressed package detailed documentation))