# digitbydigit-roots


Exact digit-by-digit algorithms for integer nth root extraction,
perfect power detection, and fractional refinement with error bounds.

## Features
- Exact integer nth roots (no floating point)
- Perfect power detection
- Fractional roots with explicit error bounds
- Constructive, invariant-based algorithms

## Installation
```bash
pip install digitbydigit-roots

## Reference

S. Pareth, *Exact Constructive Digit-by-Digit Algorithms for Integer e-th Root Extraction*,
arXiv:2601.02703 (2026).
