C++大数类，支持基本的高精度加减乘除运算-C++ Large Number Class, support high-precision calculation of basic computing

简单计算器,基于Qt平台实现,有基本的数学运算功能.-Simple calculator, based on the Qt platform, there is the basic arithmetic functions.

基于Qt的计算器，能实现基本的运算，包括加减乘除乘方开方等。-Qt-based calculator, to achieve the basic operations, including evolution, such as addition, subtraction involution.

openssl是一个功能丰富且自包含的开源安全工具箱。它提供的主要功能有：SSL协议实 现(包括SSLv2、SSLv3和TLSv1)、大量软算法(对称/非对称/摘要)、大数运算、非对称算法 密钥生成、ASN.1编解码库、证书请求(PKCS10)编解码、数字证书编解码、CRL编解码、OCSP协议、数字证书验证、PKCS7标准实现和PKCS12个人数字证书格式实现等功能。-This documentation include the basic interface of openssl. I