Android Calculator

For English Version, Please Click Here

这是一个科学计算器应用程序，在竖屏模式下为普通计算器，横屏模式下为科学计算器。该应用程序支持对数、阶乘、三角函数、幂、根号等功能。同时提供历史记录，并可点击历史记录快速填充历史计算结果。

仓库说明

这是我的第二个 Android 项目，用于学习 Android 开发。该项目为大三安卓课程的附加可选大作业，最终成绩为 100 分。
此仓库只作为个人学习记录，不提供任何形式的技术支持。

功能特性

• 普通计算器模式：在竖屏模式下，提供基本的加、减、乘、除运算。
• 科学计算器模式：在横屏模式下，提供高级的科学计算功能，包括对数、阶乘、三角函数、幂、根号等。
• 历史记录：保存所有计算历史记录，用户可以点击历史记录快速填充历史计算结果。

安装

从源代码构建

1. 克隆此仓库到本地：

   git clone https://github.com/yourusername/Android-calculator.git

2. 使用 Android Studio 打开项目。
3. 连接你的 Android 设备或启动模拟器。
4. 点击运行按钮将应用程序安装到设备上。

下载APK文件

你也可以直接下载 APK 文件并安装到你的 Android 设备上。
请到发布页下载所需版本。

使用说明

1. 启动应用程序。
2. 在竖屏模式下使用普通计算器功能。
3. 将设备旋转到横屏模式以使用科学计算器功能。
4. 进行计算后，结果将自动保存到历史记录中。
5. 点击历史记录中的任意一项，可以快速填充该计算结果。

English Version

This is a scientific calculator application. In portrait mode, it functions as a standard calculator, and in landscape mode, it functions as a scientific calculator. The application supports logarithms, factorials, trigonometric functions, powers, roots, and more. It also provides a history feature, allowing users to quickly fill in past calculation results by clicking on the history entries.

Repository Description

This is my second Android project, created to learn Android development. It was an optional extra assignment for my junior year Android course, and I received a final grade of 100.
This repository is for personal learning purposes only and does not provide any form of technical support.

Features

• Standard Calculator Mode: In portrait mode, it provides basic addition, subtraction, multiplication, and division operations.
• Scientific Calculator Mode: In landscape mode, it offers advanced scientific calculation functions, including logarithms, factorials, trigonometric functions, powers, roots, and more.
• History: Saves all calculation history, allowing users to quickly fill in past calculation results by clicking on the history entries.

Installation

Build from Source

1. Clone this repository to your local machine:

   git clone https://github.com/yourusername/Android-calculator.git

2. Open the project with Android Studio.
3. Connect your Android device or start an emulator.
4. Click the run button to install the application on your device.

Download APK File

You can also download the APK file and install it on your Android device directly.
Please visit the release page to download the desired version.

Usage Instructions

1. Launch the application.
2. Use the standard calculator functions in portrait mode.
3. Rotate the device to landscape mode to use the scientific calculator functions.
4. After performing calculations, the results will be automatically saved to the history.
5. Click any item in the history to quickly fill in that calculation result.