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应用背景用于大学51单片机课程设计，数码管显示时间，设置闹铃，电子钟，显示时间、日期，秒表用于计时，用于51单片机关键技术AT89S52单片机电子钟（含万年历、闹铃、秒表）有注释，可以删除部分功能，所有功能都采用子函数，采用8位数码管显示，采用8位IO口独立式按键输入。涵盖电子钟所有内容。

jsp图书管理系统-jsp library management system

液晶显示屏lcd12864画曲线程序，有直线，正弦等等，各位参考-LCD lcd12864 painting curve procedures, have straight, sinusoidal, etc., you refer to

用RationRose开发工具来开发J2EE程序示例，很难得的哦！-RationRose use development tools for developing J2EE procedures example, the difficult Oh!

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一个画图的小程序，不完善，请大家给与完善后上传，-A drawing of a small program, imperfect, please give refined upload, thank you

学生成绩核算系统的设计与实现（25） 要求：（1）按班级按课程从文件中读入相应的平时成绩、期中考试成绩和期末考试成绩。 （2）三个成绩对总评成绩的百分比被定义为常数，各占总成绩的30 、30 和40 。 （3）计算每位学生的总评成绩。 （4）计算该班级本课程的总平均成绩。 （5）计算处于优、良、中、及格、不及格的学生人数以及占总人数的百分比。其中100-90为优，89-80为良，79-70为中，69-60为及格，60分以下为不及格。 （6）按要求输出成绩在优、良、中、及格、不及格各区间的学生学号、成绩。-The student achievement calculation system s design with realizes (25) Request: (1) reads in the corresponding usual result, the midterm examination result and the terminal examinations result according to the class and grade according to the curriculum from the document. (2) three result are defined to the general appraisal result s percentage as the constant, occupies the overall result respectively 30 , 30 and 40 . (3) calculates each student s general appraisal result. (4) calculates this class and grade this curriculum the population mean result. (5) calculates the student population which is in superiorly, good, passes an examination, does not pass an examination as well as accounts for the total number of peop

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参加运动会的n个学校编号为l～n。比赛分成m个男子项目和w个女子项目， 项目编号分别为l～m和m＋1～m＋w。由于各项目参加人数差别较大，有些项目 取前五名，得分顺序为7，5，3，2，1；还有些项目只取前三名，得分顺序为5， 3，2。设计一个统计系统按名次产生各种成绩单、得分报表。 -To participate in the Games n school numbered l ~ n. Competition is divided into m men and a woman w projects numbered l ~ m and m 1 ~ m w. As a result of differences in the number of participants larger projects, some projects from the top five scores in order of 7,5,3,2,1 also some of the items, only the top three scores in order of 5,3,2. Design a statistical system rankings produced by a variety of report card, scoring statements.

包括各种各样的系统功能，特别棒-include a wide range of system functions, in particular wand!