dBASEⅣ和BASICA在编制市场预测软件中的应用

The Application of dBASEⅣ and BASICA in Preparing Market Prediction Software

经过具体的工作实践，把ＢＡＳＩＣＡ语言ｄＢＡＳＥⅣ结合起来，互相取长补短编制了市场预测软件，并对如何在打印机和屏幕上绘制趋势图的工作进行了研究。

The writer combines BASICA Ianguage with dBASEⅣ in her work and uses their advantages to prepare the market prediction softwafe,and does research on how the pattern is drawn in the printer and on screen.