Geometry Calculator vs 角度换算助手

An application for calculating angles, sides, perimeter, area, and volume for triangles, rectangles, circles, spheres, cones, trapezoids, parallelograms, cylinders, and rectangular prisms is a versatile and convenient tool designed to help you perform a wide range of geometric calculations quickly and easily. Whether you are a student, a professional, or a DIY enthusiast, this geometry calculator can be a useful tool for solving everyday tasks. Depending on the selected shape, the calculator allows different types of calculations. For triangles, you can calculate angles, sides, perimeter, and area. For rectangles, side lengths, perimeter, and area are available. For circles, you can calculate radius, diameter, circumference, and area, as well as the volume and surface area of a sphere. For rectangular prisms, you can calculate side lengths, base area, surface area, and volume. The app features a simple and intuitive interface that allows you to easily enter values and quickly obtain results. After entering any parameter, the shape is recalculated instantly based on the latest input. An interactive animated visualization provides a clearer representation of the shape and the changes applied to it. Units of measurement for angles, length, area, and volume, as well as the number of decimal places, can be selected for convenient calculations. The geometry calculator is a practical tool that helps you easily perform a wide range of geometric calculations.

这是一款专业的平面几何求解工具，适合学生、工程师与日常测量换算。输入已知条件，App 会实时计算其余边长、角度与面积，并展示公式与计算步骤。 【支持的图形（16 种）】 • 三角形：直角三角形、任意三角形（SSS/SAS/AAS）、等腰三角形 • 圆与曲线：圆、扇形、圆环、椭圆 • 四边形：矩形、正方形、平行四边形、梯形、菱形 • 正多边形：正五边形、正六边形、正八边形及任意正 n 边形 【核心功能】 • 智能求解：按图形输入所需已知量（圆/正方形等可为 1 个，三角形等通常为多个），自动推算其余参数 • 实时计算：边长、角度、面积即时更新 • 角度单位：支持「度」与「度分秒（DMS）」 • 长度单位：毫米、厘米、米 • 公式与步骤：每个图形附带常用公式及本次计算步骤 • 图形示意图：直观标注字母与符号 • 内置例题：一键填入典型算例 • 历史记录：保存、搜索、收藏、恢复计算 • 分享：导出计算结果为文本 • 外观：浅色 / 深色 / 跟随系统；支持中英切换 【隐私与安全】 • 完全离线运行，无需联网 • 不收集、不上传任何个人数据 • 无广告、无内购、无账号 【适用场景】 课堂练习、工程制图、土地测量、木工下料、竞赛备考等需要快速几何验算的场景。 如有问题或建议，请通过支持页面联系我们。