一个简单解答一元二次方程的labview程序，可以应对各种情况，已成功经过测试。-A simple answers to a quadratic equation labview program, you can cope with various situations, has been successfully tested.

基于labview的多通道数据采集系统，添加了多种功能，可以应对多种需求-Labview-based multi-channel data acquisition system, adding a variety of functions that can cope with a variety of needs