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摘要： 随着当今信息时代的日新月异，智能手机已经完全走进了现代人们的日常生活。而作为手机系统的领头军——安卓系统，更是在国内市场占据了一个极高的比例。而且现在的智能手机也不再是仅仅作为通讯工具，人们可以通过现在普及的4G网络，以及手机里的应用软件，搜索和下载互联网上的有用信息，基于安卓系统的科学计算器也由此应运而生。
对于现在的大部分高中生和大学生来说，简单的计算器已经满足不了他们的需要了。而现在的大部分智能手机上自带的应用软件，都只有简单的计算器。所以，智能手机上的科学计算器正可以满足他们的需求，而且更加地节省成本、方便。70212
本文介绍的是基于安卓系统平台开发一款应用软件以实现科学计算器功能。本系统实现了带括号的四则运算、三角函数运算、圆周率、阶乘、开方运算、指数运算、对数运算功能。本系统的实现需要搭建Java环境以及安卓环境，其中包括JDK、SDK、ADT等环境配置。本系统主要通过三个模块来实现，包括输入模块，显示模块，以及计算模块。该软件采用的是基于Eclipse软件的Java语言开发，严谨简洁。
毕业论文关键词：安卓系统；科学计算器；Eclipse；Java
Development of Scientific Calculator Based on Android System
Abstract: With the information age ever-changing, smart phones have been completely into the modern people's daily life. And as the leader of the mobile phone system - Android system, in the domestic market it occupies a very high proportion. And now the smart phone is no longer just a communication tool, people can now search and download useful information on the Internet, through the popular 4G network and mobile phone applications, scientific calculator based on Android system also comes into being.
For most of the high school students and college students nowadays, simple calculators have been unable to meet their needs. And now most of the application software on the smart phones are just simple calculators. So, a scientific calculator on the smart phone is able to meet their needs, and more cost savings and convenient.
This paper describes developing an application software based on the Android system platform to implement the scientific calculator functions. The system implements the arithmetic with brackets, trigonometric functions, pi, factorial, square-turn operations, exponential operations, and logarithmic operations.The implementation of this system needs to build Java environment and Android environment, including JDK, SDK, ADT and other environmental configurations. The system is mainly achieved by three modules, including the input module, display module, and the calculation module. The software was developed by java language based on eclipse software , rigorous and concise.
Keywords: Android system; Scientific calculator; Eclipse; Java
目录
摘要 i
Abstract ii
目录 iii
1 绪论 1
1.1研究的目的和意义 1
1.2研究现状水平与发展趋势 2
1.3本论文的组织结构 3
2 开发工具及环境 5
2.1 Android手机系统简介 5
2.1.1 Android的发展历史 5
2.1.2 Android的系统结构 5
2.1.3 Android的功能特点
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