# ex_qr v0.1.0 - Table of Contents

> Pure Elixir QR code encoding — versions 1-20, EC levels L/M/Q/H. No external dependencies.

## Pages

- [ExQR](readme.md)

## Modules

- [ExQR](ExQR.md): Pure Elixir QR code encoding library.
- [ExQR.Encode](ExQR.Encode.md): QR Code data encoding: mode selection, bit stream construction,
error correction block interleaving, and final codeword sequence.

- [ExQR.GaloisField](ExQR.GaloisField.md): GF(256) arithmetic for QR Code Reed-Solomon error correction.
- [ExQR.Matrix](ExQR.Matrix.md): QR Code matrix construction: function patterns, data placement,
masking, and format information.
- [ExQR.ReedSolomon](ExQR.ReedSolomon.md): Reed-Solomon error correction encoding for QR codes.
- [ExQR.Tables](ExQR.Tables.md): QR Code version tables: data capacity, EC block structure,
alignment pattern positions, and format/version information.