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
1 绪论 1
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