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+# TolSAC - Tolerance & Sensitivity Analysis in C
+Copyright (C) 2025 https://optics-design.com
+
+## Overview
+Sometimes I need small programs for dealing with tolerances in optical systems. This is the collection of such tools.
+
+## Features
+- Generate random tolerancing samples with various sampling methods and probability distributions.
+
+## License
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Affero General Public License as
+published by the Free Software Foundation, either version 3 of the
+License, or (at your option) any later version.
+
+See the [COPYING](COPYING) file for the full license text.
+
+## Third-Party Components
+- xoshiro256** PRNG - Public Domain, by David Blackman and Sebastiano Vigna 
+  (http://xoshiro.di.unimi.it/). A fast, high-quality random number generator.
+
+Each component maintains its own license. See respective license files for details.
+
+## Acknowledgements
+The following contributions were assisted by Claude AI (Anthropic):
+- Documentation and README structure.
+- Code optimization suggestions.
+- Interface design recommendations.