IC卡读写器基于VB语言的应用例子代码，最易移植开发，几分钟就能解决你的问题。-IC card reader based on VB language and application example code, the most easy to transplant development, a few minutes can solve your problem.

vb高斯消去法解方程组组,也就是矩阵求解，直接三角形解法-Vb gauss elimination equation way, namely matrix to solve, triangle method directly