# Tag Info

### Can I run a course project on Math.SE?

The most important part of your question is not if we would allow it. The most important, and first question to make, is: "Would your university allow this kind of thing?". We cannot answer that, and ...
• 32.1k

You can have as many accounts as you'd like. But they must act as one. In particular, what you wouldn't do with one account, you shouldn't do with the other. It's not that it's against the rules as ...
• 370k

### Regarding giving credit to the source of inspiration of your answer.

Unlike with attribution, where you have to supply the name of the creator and attribution parties, a copyright notice, a license notice, a disclaimer notice, and a link to the material. CC ...
• 3,864
Accepted

### Users who run bots/have developed tools on math.SE

From the top of my head: Ilmari Karonen is the maintainer of SOUP that patches various glitches on SE-sites, some specific to this site. See the user page for details. robjohn has developed a tool, ...
• 40.8k

### Solution for abandoned accounts or with little activity: a special Newsletter or email to encourage the return to the site

I challenge your assertion that "a great number of persons that have been created an account because they were motivated to learn and share mathematics". My guess is that a large majority of the ...
• 24k
Accepted

### Can I create several other users for specific purposes?

It is allowed to have several accounts as long as you do nothing with those accounts that in essence you could not also do with a single one. Some examples of things not to do: Do not use a new ...
• 40.8k

### Is $-706$ points for "user was removed" a new record?

No, on a per user basis it's not a new record, not even close. See the point-timeline of Brian M. Scott around end of March this year for a recent loss an order of magnitude higher. Yes, for 'large' ...
• 40.8k

### How can I post as guest again?

It is no longer possible to ask questions with an unregistered account on Mathematics Stack Exchange. The change was made on or about 10 Oct 2016, at least in part in because of the response to the ...
• 49.9k

### Deleting account, help needed

The help center contains a page with instructions for how to do it. Since you have significant contributions to the site, you contact Stack Exchange and request the deletion of your account. You will ...
• 199k
Accepted

### Is this a new feature? Mentioning an user with @ becomes a link to their user ID.

As pointed out in the comments, this is not a new feature. The OP of the linked post has just used Markdown formatting to manually add a link to the profile of the user in question. You can see how ...
Accepted

### Deleted question causes account block?

We don't want users to delete their question after they have received an answer. This is because that deprives the answerer the chance to get the reputation bonus they deserve for their work. Somebody ...
• 124k

### Will Stack Exchange keep record of every question I ever ask?

Your question are recorded as long as they do not get deleted by votes of other users or a process to clean up badly received content (thanks to quid for making the point more clear). And even then, ...
• 50.8k

### Controlling of Stack Exchange accounts

Yes, it is permitted to keep different accounts for different communities. The only real rule about multiple accounts is that they cannot be used to give the impression of more than one person. For ...
• 77.6k
Accepted

### View sign-in history

A brief answer is that you should go to your profile and click on the number of consecutive days. (Remember that you'll find this in the profile tab, not in the activity tab.) You can find more ...
• 50.2k
Accepted

### Is it possible to know the questions and answers by a no longer user?

To find posts by a deleted user if you have the userid you can use Data Explorer (SEDE). See also: Is there a way to check all questions/answers posted from a deleted account (MathOverflow Meta) and ...
• 50.2k

### Is it possible to "transfer" your old account's "contents" into a new account?

Yes, this is possible. As mentioned in a comment you can ask for two accounts to be merged. All the content (including votes etc.) of one will then be transferred to the other. At the end you'll have ...
• 40.8k
Accepted

### Who Maximizes the Ratio of "People Reached" to "Questions Answered"?

I amalgamated some queries in order to get what OP wants: This query does what was requested. Some observations: It only counts undeleted answers; As was expected, without some lower bound on the ...
• 32.1k
Accepted

### Is it possible to temporarily disable my account on MSE?

There is no dedicated feature for this on SE, but there are varied general purpose tools to block you from using certain sites. Yet, if you want, we can just suspend you for the period of time you ...
• 40.8k

Only top scored, non community-wiki answers of a minimum length are eligible