基于vb程序的反算坐标方位角，适合要经常转换方位角的同学-Based on inverse coordinate azimuth vb program

易语言数学坐标转换源码例程程序演示了极坐标与直角坐标，角度与弧度的转换过程。 -Easy language mathematical coordinate conversion source routine program demonstrates the polar coordinates and rectangular coordinates, angle and radian conversion process.