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6:36 AM
@MartinR and others - it would be useful to add some good tips on using Approach0 into the FAQ entry: How to search on this site?
So far I have mentioned the distinction between \infty and +\inftywhich was mentioned here before.
> There is a distinction between \infty and +\infty. For example, you get different results for $\lim_{x\to\infty} (1+\frac1n)^n$ and for $\lim_{x\to+\infty} (1+\frac1n)^n$ then the results are completely different.
I will look a bit through the past posts here, maybe I will be able to think about something else which is worth adding.
Possibly looking at some past comments could help us remember some type of searches where Approach0 was used: data.stackexchange.com/math/query/556789/… and data.stackexchange.com/math/query/556790/…
And here are the chat messages mentioning Approach0: chat.stackexchange.com/search?q=Approach0&room=
6:52 AM
Another thing I have added is about different ways to write the same expression:
> Approach0 is able - at least to some extent - to find posts where the same expression is written differently. (For example, names of a variables are changed, the sides of an equation are exchanged, etc.) But since this have some limits, you should try to think about various ways of writing the same expression.
> For example, when looking for posts about limit of Cesàro mean, you could try to search for $\lim_{n\to\infty}\frac{\sum_{k=1}^n a_k}n$, or for $\lim_{n\to\infty} n^{-1}\left(\sum_{k=1}^n a_k\right)$,
I would expect that users who are experienced with using Approach0 might be able to remember some stuff which might be useful to others - who are new to it.
The post I linked to is CW - feel free to edit it further.
 
2 hours later…
9:08 AM
I have also mentioned this in the post:
> You can find many other examples of usage of this search engine if you look at comments and chat messages mentioning Approach0.
I hope somehow we can find a balance between including useful tips and getting the post too bloated. (If there is too much text, many people might simply decide not to read it.)
 
1 hour later…
10:26 AM
@MartinSleziak I have bookmarked the page. If I find something useful then I'll add it.

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