19 questions linked to/from How are big operators defined?
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### How to create an expectation symbol that behave similarly to \sum? [duplicate]

Introduction This question is already asked here. If you want you could consider this one a duplicate. However, even if the proposed solution satisfied the one that posted the question, it doesn't ...
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### A large “#” symbol [duplicate]

I´m trying to typeset a large # symbol. I tried \newcommand*{\con}{\scalebox{1.5}{\ensuremath{\#}}} but i would also like to add subscripts in math mode so that they appear underneath the symbol. I ...
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### Displaystyle/limits for custom operators [duplicate]

I want to write this: ${\text{\huge N}}\limits_{i<k}$ and have it produce output comparable to this: $\sum\limits_{i<k}$ That is, I want a sum with limits underneath it, but I want it ...
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### Create my own symbols such as Bigotimes [duplicate]

I am using the symbol $\Box$ as a binary operator and would like to create a unary operator symbol starting from that. My goal is to have a symbol that behaves like $\Bigotimes$ compared to $\otimes$, ...
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### How to create my own math operator with limits?

How can i write my own math operator with limits? I want it to look like: \sum\limits_{e=1}^{m} but with a capital A (if possible bigger than the normal text) instead of the sum. Thanks for the help!...
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### How to make math symbols bigger?

Is there a way to make math symbols bigger? Reason: I've used \sfrac{q}{m}, and those symbols appear far to small, so I would like to make them a bit bigger. edit: I just thought that \sfrac{q}{m} ...
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### How can I define a big plus operator that works like \bigcup?

I want to define a "\bigplus" operator that is a big + symbol that changes size according to environment and has limits, just like \bigcup works. I've read about defining a "\bigtimes" (How can I get ...
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### Writing X as a symbol with limits

I wish to write X as product like $X_{n=1}^k$. How to write it? For example, we write $\sum \limits _{n=1}^k$
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### How to control the size of math symbols in an equation?

I've been struggling with this task for some time now. Basically I want to make this: Into something like this: I've tried \mathlarger from relsize package, but it simply didn't work (no effect at ...
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### What wrapping should I use to create a new symbol?

It is a truth universally acknowledged, that a mathematician in possession of a good theorem must be in want of notation.1 It is as true, but perhaps less universal, that unicode doesn't contain ...
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### Using any symbol for “\limits”

I want to use different symbols instead of Sigma for \sum and the like. I tried \mathop{\Lambda}\limits^n_{i=1} But the symbol is small compared to \sum Then I tried the relsize package \mathop{\...