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Refund Policy

SigmaXL does not provide refunds. We offer potential customers the option to use our fully functional products free of charge for 30 days prior to purchase. We feel this is enough time for users to make an informed decision as to whether or not our products will meet their requirements.

To request a fully functional 30-day trial, please follow one of the links below:

Define, Measure, Analyze, Improve, Control

Lean Six Sigma Software Excel Add-in

Simulate, Optimize,

Lean Six Sigma Software Excel Add-in

Web Demos

Our CTO and Co-Founder, John Noguera, regularly hosts free Web Demos featuring SigmaXL and DiscoverSim
Click here to view some now!

Contact Us

Phone: 1.888.SigmaXL (744.6295)