SigmaXL Promo Codes & Coupons October 2026 — Up to 20% Off

Founded in 1998, SigmaXL is a leading provider of user-friendly Excel add-ins for Lean Six Sigma graphics and statistical tools and Monte Carlo simulation. SigmaXL has more than 100,000 users in more than 180 countries. Customers include market leaders such as DHL, FedEx, Hanes, Motorola, NASA, Shell, Sonoco, Southwest Airlines and Tyson Foods. The software is also used by many colleges, universities and government agencies. Designed from scratch, their flagship product, it, is a cost-effective, powerful, yet easy-to-use tool that enables users to measure, analyze, improve, and control their services, transactions, and manufacturing processes. As an add-on to the already familiar Microsoft Excel, it is an ideal tool for Lean Six Sigma training and application, or for university statistics courses.