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Process Capability Calculator
Easy data entry, clear results
Steven Greenwood · Business
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App info
- Developer
- Steven Greenwood
- Category
- Business, Utilities
- Released
- Sep 30, 2026
- Version
- 1.1 (Oct 16, 2026)
- Price
- Free
- Size
- 1.4 MB
- Requires
- iOS 16.6
- Age rating
- 4+
- Languages
- English
In-app purchases
| Unlock Full Version | $2.99 |
Current prices, App Store US.
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About Process Capability Calculator
Know if your process is really capable. Cp, Cpk, Pp, Ppk, control charts, and SPC: built for the shop floor, but equally at home at your desk. Free to use for as long as you want: type in your readings by hand, or try the built-in example data, and see full, real results. Verify it against your own known data before you ever need to unlock anything. The Process Capability Calculator app works out Cp, Cpk, Pp, and Ppk correctly and keeps them properly distinct, runs full I-MR control charts with 15 SPC diagnostic rules, and tests your data for normality. Results also show sigma within and overall, DPMO, predicted failure rate, and a histogram of your readings. Everything is explained in plain language, not left as a number you have to trust blindly, including a guide to how many readings you really need. Capture readings the way that actually suits the moment. Typing by hand is free. One…
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