It s project made in netbeans that use Nokia QT . It can draw a tree like representation of math expression .You can specify color for operators and numbers . You can also easily modify tree using mouse and keyboard.-It s project made in netbeans t

QCustomPlot是一个用于制作图形和图表，以及提供实时可视化应用程序的高性能绘图图表Qt C++控件。可以绘制曲线图、趋势图、坐标图、柱状图等，可在自己的项目中直接使用两个源文件，或预先编译成库。支持导出多种格式包括：PDF，PNG, JPG 和 BM。-QCustomPlot is a high-performance graphics and charts for the production, as well as provide real-time visualization ap

qt串口助手，能接收和发送数据，能对接收的数据绘出曲线(QT serial port assistant, can receive and send data, can draw curves for received data)