What is the large lowercase $n$ symbol in math?
51467
What does the $\prod$ symbol mean?
98456
n & (n-1) what does this expression do?
69292
What is $ sign in Mathematica?
89223
What does the symbol $\lll$ mean?
102816
multiplication equivalent of the summation symbol
122780
What does # mean in Mathematica?
32769
What means a "$\setminus$" logic symbol?
4100
What is a plain English explanation of "Big O" notation?
54814
What is this symbol $\int$ called?
84199
What does the $\|$ operation mean in cryptographic notation?
141904
What are the rules for equals signs with big-O and little-o?
146127
Long underscore in LaTeX
51171
Why is Euler's number an uppercase "E" and not a lowercase "e"?
19260
What does the notation $q^k || n$ mean?
55994
Why do statisticians like "$n-1$" instead of "$n$"?
132219
How can I get this symbol without using bbold?
150453
How do I display an expression with negative powers?