股票期货外汇等证券投资趋势指标，能够在行情软件中显示趋势-Investment

量化思路证券技术指标编写技法，主要是为想自己写技术指标或改技术指标的人上一本书。-Quantitative idea of writing techniques Securities technical indicators, mainly for those who want to write their own technical indicators technical indicators, or to change the people on a book.

spss统计分析数据（张文彤）版本，目录有牙膏统计，证券分析统计等等(spss statistics(Zhang Wentong SPSS statistical courseware- including pdf files, Dr special sav file))