使用的是云计算脚本语言Python，通过Python编写一个计算器程序，实现加减乘除，括号，乘方的运算-Using a cloud scr ipting language Python, the Python write a calculator program to achieve arithmetic, parentheses, power operation

The main goal of this project is establishing Two Layer Encryption (TLE) and Virtual Private Database (VPD) for a invulnerable data storage system that allow multiple functions when the storage system is distributed and has no central authority and u

The main objective of this project is establishing Two Layer Encryption (TLE) and Virtual Private Database (VPD) for a invulnerable data storage system that allow multiple functions when the storage system is distributed and has no central authority.