nexuscalc 1.0.0

A powerful calculator application with an interactive CLI

NexusCalc

A powerful calculator application with an interactive command-line interface.

Features

• ➕ Addition
• ➖ Subtraction
• ✖️ Multiplication
• ➗ Division with zero division error handling
• 🏠 Floor division
• 🔢 Mathematical constants (pi, e, tau)
• 📐 Advanced mathematical functions (sqrt, sin, cos, tan, log)
• 🛡️ Comprehensive error handling
• 💎 Clean number formatting
• 🎨 Colorful and interactive CLI

Installation

python -m pip install nexuscalc

Usage

Interactive Mode

from nexuscalc import nexuscalc
nexuscalc.calculate()

Or:

import nexuscalc
nexuscalc.nexuscalc.calculate()

Or after installation:

nexuscalc

Programmatic Usage

from nexuscalc.core.operations import Operations

ops = Operations()
result = ops.add(5, 3)  # Returns 8

Advanced Expression Evaluation

from nexuscalc.evaluator.evaluator import Evaluator

eval = Evaluator()
result = eval.evaluate_expression("2 + 3 * 4")  # Returns 14

Error Handling

NexusCalc includes comprehensive error handling for:

• Division by zero (with friendly error messages)
• Invalid input formats
• Numeric overflow
• Expression parsing errors
• Function evaluation errors

Development

Run tests:

python -m pytest tests/ -v

Run tests with coverage:

python -m pytest tests/ --cov=src/nexuscalc

Project Structure

nexuscalc/
├── src/nexuscalc/
│   ├── core/          # Core calculator logic
│   ├── parsers/       # Expression parsing
│   ├── evaluator/     # Expression evaluation
│   ├── utils/         # Utilities and helpers
│   └── exceptions/    # Custom exceptions
├── tests/             # Unit tests
├── examples/          # Usage examples
└── setup.py          # Package setup

License

MIT

Author

Light Bulb Experiments © 2026