| We are launching the free version of QCSPCChart Mobile for the Windows App Store today. Within the next couple of weeks we will be launching Android and IOS versions of the software too.
The QCSPCChart software is an interactive SPC chart (6-sigma) application aimed at quality control professionals (and students) who want to view industry standard statistical quality control charts on their mobile devices. Typical users will monitor critical quality factors in manufacturing, process, and service industries and display the results in one of the many supported chart types. Chart types include: variable control charts (X-Bar R, X-Bar Sigma, Individual Range, and Median Range), and attribute control charts (p-, np-, c-, u-, and DPMO charts). The software will automatically calculate SPC control limits using historical data for the supported variable control chart and attribute control chart types. Alarms can be generated for standard +3 sigma control limits, or the WECO (Western Electric) rules. It will also calculate process capability ratios (Cp, Cpk) and process performance indices (Pp, Ppk). A set of specification limits can also be added to the chart.
The SPC charts are displayed as one or two synchronized charts, under the control of a scroll bar. The scroll bar can be replaced by an integrated zoom control which allows for the display of charts with a custom time frame. An integrated table appears above the chart, displays information about the process under view, and each sample interval plotted in the chart. The table displays time, individual sample values, sample statistics, process indices, alarm status, and any notes entered for that sample interval.
The user can customize the SPC chart and control limits using built-in setup forms. Both auto-calculated and manually set control limits are supported. The user can manually input and edit sample data from within the program. The user can also import sample data from a CSV (comma separated value) file. The entire chart setup, and data, can be saved on the host device so that they are easily accessible the next time you use the app. You can even set the current setup to be auto-loaded the next time the app starts.
The app displays a lot of information on the screen. Because of this you should use a device with a minimum screen size of approximately 1200x800 (landscape) or 800x1200 (portrait), otherwise text on the sides of the display may not show.
This app is the free version of the software and the total number of sample intervals (data points) which can be displayed at one time is limited to 100.