是一个印刷体数学表达式识别系统.能识别一些一般的印刷体数学表达式，为工程者计算者提供了方便，减轻了他们的工作量-Print is a mathematical expression identification system. To identify some general mathematical expression of Print, for those who calculated the project to provide a convenient and reduce their

在程序中识别并计算表达式 在程序中识别并计算表达式-In the program to identify and evaluate the expression in the program to identify and evaluate the expression in the program to identify and evaluate the expression