The program language is fortran 90 , which is good at scientific calculation , and the development environment is visual fortran 6 . 5 , which is completely compatible with vc + + , vb . all these are good to the program expansion and commerce 開發平臺采用visualfortran6 . 5 ,可以和vc + + 、 vb等適合開發界面的語言無縫集成,為以后程序擴展以至商業化打下基礎。