Frequently Asked Questions

Contained below is a list of commonly asked questions. Before sending us a message, check to see if your question(s) are already answered below.

Acceptance Sampling (7)

  1. Where can I learn more about acceptance sampling?
  2. Do I have to use the switching rules when using the Military Standards?
  3. Is MIL-STD-105E still in use?
  4. Can acceptance sampling be applied to non-manufacturing processes?
  5. Why is the calculator giving me a plan different from what I see in the printed tables?
  6. Can you tell me more about acceptance sampling? Also, what are control charts?
  7. Have your calculators been validated?

Accounts & Billing (5)

  1. Can I pay using a check or wire transfer?
  2. My subscription expired. How can I renew it?
  3. Can I upgrade my account type from "Silver" to "Gold"?
  4. What are the benefits of a subscription?
  5. How do multi-user subscriptions work?

Website (5)

  1. I signed up but I did not receive a confirmation email
  2. Can I change my username?
  3. Is there a standalone software package with your web applications?
  4. Why can't I change my email address?
  5. I need to re-enter data after I click the browser's "back" button. Is there a better way?