一个简单计算器，可以可以进行圆、三角、球体及简单方程式的计算，附带四则运算的简易计算器，计时器，进行简单的字母与莫尔斯码转换，调用系统本地程序，测试网络连接，delphi吧外链，动态显示当前时间-A simple calculator that can can be round, triangular, spheres and simple formula calculations, with four simple arithmetic calculator, timer, simple le

不同半径球体的磁异常， 不同半径球体的磁异常， -Abnormal magnetic spheres of different radii, different magnetic anomaly radius of the sphere, the radius of the sphere in different abnormal magnetic anomaly different radius of the sphere,