Fibonacci Calculator

A fast and efficient command-line tool written in Rust for calculating large Fibonacci numbers. Supports decimal, scientific notation, and hexadecimal input formats.

Features

• Computes Fibonacci numbers using an optimized recursive algorithm
• Accepts input in:
  • Decimal (e.g., 100)
  • Scientific notation (e.g., 1e2)
  • Hexadecimal (e.g., 0x64)
• Optional flag to suppress printing the result
• Displays computation time

Installation

Clone the repository and build it using Cargo:

git clone https://github.com/Abhrankan-Chakrabarti/fibonacci-calculator.git
cd fibonacci-calculator
cargo build --release

Usage

cargo run --release -- [OPTIONS]

Options

• --no-print : Suppress printing the Fibonacci result

• --help : Show help message

• --version : Show version information

Example

cargo run --release

This program computes the n-th Fibonacci number.
Enter n :    1e3
F(1000)      = 434665576869374564356885276750406258025646605173717804024817290895...
Elapsed time = 0.000021 sec

Author

Abhrankan Chakrabarti

License

This project is licensed under the MIT License.