在java智能卡上实现电子票据业务功能，比如读写，删除 ，修改等待。-Java smart cards in electronic instruments to achieve business functions such as read, delete, modify, wait.

股票挂钩结构分析，根据B-S模型计算买入期权、卖出期权的价格。计算保本票据的定价与收益。测算SharkOption收益率。-Equity Linked structural analysis, calculated according to the BS model call option, put option prices. Calculation of the insurance pricing and revenue bills. SharkOption estimated yield.