ChallengesCalculator App
OfficialBeginnerWeb Development
3-5 hours
Calculator App
Build a scientific calculator with standard and scientific modes, calculation history, multiple themes, keyboard support, and smooth button press animations.
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calculatormathkeyboardthemes
Objectives
- Implement standard arithmetic operations
- Add scientific functions (sin, cos, log, etc.)
- Maintain and display calculation history
- Support keyboard input for all operations
- Create multiple switchable themes
Hints
- Use a stack-based approach for expression evaluation
- Handle edge cases like division by zero
- Add keyboard event listeners for number/operator keys
Resources
Community Solutions (4)
Modern Calculator by Daomei
<p>A clean, responsive calculator with basic and scientific operations, history logging, and dark mode support. Built with vanilla HTML/CSS/JS.</p>
htmlcssjavascriptcalculator
优雅计算器 - 深色模式智能计算器
<p>使用 HTML, CSS, JavaScript 构建的高级科学计算器应用。支持基础四则运算和科学计算功能，带有精美的毛玻璃深色模式界面设计，按键动画和流畅的交互体验。</p>
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