家庭财务管理小程序，可以简易地管理计算家庭支出及收入。-Family financial management applet, you can easily manage the calculation of household expenditure and income.

自动取款机终端的c语言源代码，结构简单，是很好的金融开发参考例程-ATM terminal of the c language source, the structure is simple, it is very good financial development reference routines

ANSI X9.24-1:2009. Retail Financial Services Symmetric Key Management Part 1: Using Symmetric Techniques.