Create Six Sigma and SPC Charts in Seconds
It's Easy Using QI Macros Affordable Add-in for Excel
Compatible with PC and Mac, Excel 2010-2019, Office 365
Your Satisfaction Guaranteed:
- No upfront credit card required. No hidden fees. You won't be charged for the trial.
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- Virus and adware free - tested by these third party sites.
- Free technical support via phone and email. We are happy to help you with downloading, installation and even running your first chart. Contact our support team using the email link below.
Our Contact Information
KnowWare International, Inc.
2696 S Colorado Blvd Ste 555
Denver, CO 80222 USA
Our Denver, CO Office Hours are: Monday - Friday, 8 am to 5 pm, Mountain Time