🧮 Streamlit Mobile Calculator

A sleek, modern, and fully responsive mobile-style calculator web application built with Streamlit and Python, featuring seamless layout alignment, smooth state management, and an intuitive user experience.

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✨ Features

• 🔢 Core Arithmetic: Perform precise Addition (+), Subtraction (-), Multiplication (*), and Division (/).
• 📱 Mobile-Optimized Layout: Clean phone-card interface with harmonized grid alignment designed specifically for web and mobile screens.
• 🛡️ Robust Error Handling: Graceful prevention and handling of edge cases (such as division by zero).
• 🧹 Clear & Backspace: Quick reset (C) and single-digit deletion (⌫) capabilities.
• 💡 Expression History: Live preview of ongoing calculations directly on the display screen.

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🚀 Getting Started & Deployment

Prerequisites

• Python 3.x installed on your system.

Running Locally

1. Clone or download the repository and navigate to the project directory.
2. Install the required dependencies:

pip install -r requirements.txt

3. Run the Streamlit application:

streamlit run app.py

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📁 Project Structure

python-calculator/
│
├── app.py              # Streamlit web application & calculator logic
├── requirements.txt    # Project dependencies for deployment
└── README.md           # Project documentation