SQC Online

To make it easy to manage your subscription, all users in a multi-user subscription share the same username and password. The account manager (the person who subscribed) is responsible for managing the account.

Yes. Applying a constant plan that does not take into account the history of batches is useless. The MIL-STD-105E switching rules and MIL-STD-1235C switching rules are an integral part of the sampling scheme.

Yes. Although the military standard itself was phased out in 1989, it's civilian counterparts, ANSI Z1.4 or ISO 2859 (which are essentially the same) still exist. In practice these sampling plans are widely used by many industries.

Apologies, but the answer is no. We provide an "Statistical Quality Control in the Cloud" service. You can access our calculators from any Internet-connected device worldwide.

Yes. Some of our users apply acceptance sampling to processes such as auditing applications, checking errors on invoices, etc.

Here's more information about acceptance sampling and control charts.