# SigmaZone

> Statistical software, training, and consulting for Six Sigma, DFSS, and Data Science. All software runs as Microsoft Excel add-ins.

SigmaZone develops and sells Excel-based statistical analysis software used by engineers, quality professionals, and data scientists. Products cover Design of Experiments (DOE), Statistical Process Control (SPC), simulation, and general statistics. SigmaZone also offers instructor-led training and on-site consulting services.

## Software Products

- [Quantum XL](https://www.sigmazone.com/quantumxl/): Comprehensive statistical analysis Excel add-in. Covers DOE, hypothesis testing, regression, capability analysis (Cpk/Ppk), MSA/Gage R&R, control charts, and more. Available in 32-bit and 64-bit. Perpetual license and concurrent (floating) license options.
- [SPC XL](https://www.sigmazone.com/spcxl/): Statistical Process Control Excel add-in. Control charts (Xbar-R, Xbar-S, I-MR, p, np, c, u), process capability, and Pareto analysis.
- [DOE Pro XL](https://www.sigmazone.com/doepro/): Design of Experiments Excel add-in. Full factorial, fractional factorial, response surface, mixture designs, and optimal designs.
- [SimWare Pro](https://www.sigmazone.com/simwarepro/): Monte Carlo simulation Excel add-in. Risk analysis, tolerance analysis, and process simulation.

## Training

SigmaZone offers instructor-led training courses in:
- [Design of Experiments (DOE)](https://www.sigmazone.com/training_doe/)
- [Design for Six Sigma (DFSS)](https://www.sigmazone.com/training_dfss/)
- [Statistical Tools & Techniques](https://www.sigmazone.com/training_statistics/)
- [Data Analytics](https://www.sigmazone.com/training_dataanalytics/)
- [DMAIC Six Sigma](https://www.sigmazone.com/training_dmaic/)

## Consulting

[Statistical consulting and on-site services](https://www.sigmazone.com/consulting/) for DOE, Six Sigma, and process improvement projects.

## Support & Downloads

- [Software Downloads & Updates](https://www.sigmazone.com/software-updates/)
- [Installation Guide](https://www.sigmazone.com/installation/)
- [FAQs](https://www.sigmazone.com/faqs/)
- [Find Your License Key](https://www.sigmazone.com/finding-your-serial-number-cd-key/)
- [Support Articles](https://www.sigmazone.com/support/)

## Free Tools

- [Virtual Catapult](https://www.sigmazone.com/catapult/): Free browser-based simulator for practicing DOE, MSA, and statistical analysis. No software required.

## Key Pages

- [Software Overview](https://www.sigmazone.com/software/)
- [About SigmaZone](https://www.sigmazone.com/about-us/)
- [Contact](https://www.sigmazone.com/contact/)
- [Privacy Policy](https://www.sigmazone.com/privacy-policy/)
- [Terms of Use](https://www.sigmazone.com/terms-of-use/)