Health Calculator

The Health Calculator is a Python-based application designed to provide users with essential health metrics including BMI (Body Mass Index), BMR (Basal Metabolic Rate), and TDEE (Total Daily Energy Expenditure). This project features a GUI built with Tkinter, stores data using SQLite, and provides graphical visualization of historical data with Matplotlib.

Key Features

• BMI Calculation: Computes BMI based on user input for height and weight and provides feedback on health status.
• BMR Calculation: Determines Basal Metabolic Rate based on height, weight, gender, and age.
• TDEE Calculation: Calculates Total Daily Energy Expenditure using BMR results and the user's selected activity level.
• Data Persistence: Utilizes an SQLite database for saving and retrieving health data records, ensuring persistence between sessions.
• Historical Data Visualization: Displays historical data trends for BMI, BMR, and TDEE, helping users to understand changes in their health metrics over time.

Tech Stack

• Python 3: A core programming language for the project.
• Tkinter: Provides the graphical user interface.
• SQLite: Database system used for storing and managing health records.
• Matplotlib: Generates trend graphs for BMI, BMR, and TDEE.
• Unittest: Comprehensive unit tests ensure the reliability of BMI, BMR, and TDEE calculations.

Project Structure

Health_calculator/
├── main.py               # Main application script
├── database/             # Database folder (contains SQLite database file)
├── tests/                # Unit tests folder
│   ├── test_bmi.py       # Unit tests for BMI calculation
│   ├── test_bmr.py       # Unit tests for BMR calculation
│   └── test_tdee.py      # Unit tests for TDEE calculation
└── README.md             # Project documentation

Installation & Usage

Requirements

• Python 3.x
• Matplotlib

Installation

1. Clone the repository:

   git clone https://github.com/your-username/Health_calculator.git
   cd Health_calculator

2. Install the required Python packages:

   pip install matplotlib
   

Run the Main Application

• To run the main application:

  python main.py
  

  This will launch the Health Calculator GUI, allowing you to calculate and store BMI, BMR, and TDEE results in the SQLite database.

Running Tests

• To run unit tests and verify the accuracy of calculations:

  python -m unittest discover tests
  

  This command runs all unit tests in the tests folder, ensuring the correctness of BMI, BMR, and TDEE calculations.