一个函数，输入n为偶数时，调用函数求1/2+1/4+...+1/n,当输入n为奇数时，调用函数 　　　1/1+1/3+...+1/n(利用指针函数)...

c语言编程，矩阵自动运算，vc6.0运行(c language programming, matrix automatic operation, vc6.0 run)

RC522 IIC驱动程序，可实现读卡和写卡功能，复旦卡或M1卡都可以，本人也试过读公交卡，可以读出序列号和卡类型。(RC522 IIC driver, can read card and write card function, Fudan card or M1 card can, I also tried to read the bus card, you can read the serial number and card type.)

基于wp手机平台的二等水准测量手簿。可自定义限差，自定义上点，自动步进点号，超限提醒，测站信息实时显示（BBFF所有读数，BF视距差，高差），所有测站信息成果输出。

说明：  qq聊天工具源代码qq聊天工具源代码qq聊天工具源代码qq聊天工具源代码(qq chat system,use vc plus plus)

不使用任何库函数，用递归实现字符串的逆序输出，C++实现(Do not use any library functions, using recursive reverse output string, C++ achieve)

NET中模板生成WORD文档 c#开发-NET in WORD document template generated c# Development

说明：  蒸发冷凝FLUENT计算，UDF程序编写。(Evaporative condensation FLUENT calculation.)

This is a small program to create indexs for two binary trees and combine them to a new 003 * index tree and output the new tree,the second tree only has the left child tree then 004 * if the first tree has no left child tree,insert the second tree into the first tree as 005 * its left child and if the first tree has the left child tree,then insert the first tree 006 * into the second tree as its left child. (This is a small program to create indexs for two binary trees and combine them to a new 003* index tree and output the new tree, the second tree only has the left child tree then 004* if the first tree has no left child tree, insert the second tree into the first tree as 005* its left child and if the first tree has the left child tree, then insert the first tree 006* into the second tree as its left child.)

数据与计算机通信（Data and Computer Communications）答案(Data and Computer Communications Reference Answers)

古典密码中的仿射密码的加密和解密用C语言来实现。(Classical affine password encryption and decryption using C language to achieve.)