Design-Expert Software

Best in class design of experiments software makes R&D easy with an intuitive interface and amazing graphics. Whether you are new to DOE or a seasoned pro, you'll make breakthrough improvements with Design‑Expert software. Now on macOS.

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Distance Learning Options

Learn design of experiments (DOE) from your own desk! Take advantage of Stat‑Ease's premium DOE training options that blend eLearning, books, and live, instructor-led sessions.

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Design of Experiments Training

Discover how to make the most of your experiments with top-notch webinars, eLearning and live workshops.

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New-User Intro to Design‑Expert® Software

A complete introduction to Design-Expert software, this free webinar provides new users with the tools needed to start planning your DOE.

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A better product. An improved process. Stat-Ease, armed with an expertise in design of experiments, has been helping people make breakthroughs since 1985. Find out how our Design‑Expert software, training, books, and consulting can help you improve your bottom line.

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Design-Expert Version 13

Design of Experiments Software


Make breakthrough improvements to a product or a process with Design-Expert, whether you are new to design of experiments or a pro. Its straightforward, easy-to-use interface sits on top of a powerful statistical engine. You will not only screen for vital factors, but also locate ideal process settings for top performance & discover optimal product formulations.

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Hands-on DOE Training

Distance Learning


Learn design of experiments (DOE) without travel! Take advantage of Stat-Ease's premium training options - choose from eLearning, books, and live, instructor-led sessions. Experienced instructors lead our hands-on, case-study based workshops. Register now for the distance learning program that best meets your needs!.

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What's New

Case Study

DX13 Poisson Regression Maximizes Popcorn Output

By Mark Anderson on Jan. 12, 2021

Energized by new tools in version 13 of Design-Expert (DX13) for modeling counts, Engineering Consultant Mark Anderson tests a cellphone app against built-in timing on his microwave for minimizing unpopped kernels (UPK). DX13 paves the way to nearly perfect popcorn via its precise analysis via Poisson regression.

Click the title above to see the surprising, but very satisfying, outcome.

New Blog Post

Christmas Trees on my Effects Plot?

By Shari Kraber on Dec. 3, 2020

As a Stat-Ease statistical consultant, I am often asked, “What are the green triangles (Christmas trees) on my half-normal plot of effects?”


Click the title to read the blog.


Stat-Ease Acquired by Vela Software

By Stat-Ease on July 20, 2020

Vela Software is pleased to announce the acquisition of Stat-Ease through its Tecplot subsidiary, adding class-leading design of experiments (DOE) software to a growing portfolio of engineering and analysis tools.

Click the title to read more about the ownership change.