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函数由一句或多句代码组成，可以实现某个特定的功能。使用函数可以使代码更加易读、易懂，加快编程速度及减少重复代码。过程与函数类似，过程与函数最重要的区别在于，过程没有返回值，而函数能有返回值。 　　在Delphi 7.0中，已为我们定义好了非常多的函数，大致分类有6种：数据类型转换函数、字符串、数组操作函数、文件、磁盘操作函数、内存、指针操作函数、数学运算函数、日期函数。-function sentence by one or more code components, can achieve a particular function. You can use your code more readable, understandable, accelerate programming speed and reducing duplication of code. Similar processes and functions, processes and functions most important difference is that the process did not go to the value and the function can return value. In Delphi 7.0, we have a very good definition of function, broadly categorized into six types : data conversion functions, string and array manipulation functions, documents, disk manipulation functions, memory, pointer manipulation functions, arithmetic function, the date function.

不错的java教程，IBM的，希望对你有用-Good java tutorial, IBM, and I hope useful for you

veriloghdl_ic设计核心技术，包含教程和实例详解-Design veriloghdl_ic core technology, including tutorials and detailed example

《The C++ Programming Language》中文版(二).-The C++ Programming Language

VC深入详解的随书源码，第13章到第18章全部示例-VC-demand in-depth Xiangjie book source code, Chapter 13 to Chapter 18 Full Sample

学习bash的说明材料，对入门和提高很有帮助-Learning the bash documentation of entry and increase the useful

java study stuff, it s a useful document.

一本讲编程的好书，看后受益匪浅相信大家不会错过的-A talk about programming books, we would not expect to see benefit after the miss. . . . . . .

As part of the course work on the course "Information management systems testing aircraft" required to develop a software package that implements the following functions: providing cartographic support, positioning the cursor, to calculate the distance between two points, building trails spacecraft (SC) construction zone of radio visibility of satellites and surveillance zones construction cyclograms communications by ground tracking station and spacecraft-As part of the course work on the course "Information management systems testing aircraft" required to develop a software package that implements the following functions: providing cartographic support, positioning the cursor, to calculate the distance between two points, building trails spacecraft (SC) construction zone of radio visibility of satellites and surveillance zones construction cyclograms communications by ground tracking station and spacecraft