What does the math notation $\sum$ mean? My school's prescribed book uses the weird letter E character without explaining what it is in the first chapter when it talks about the binomial …

Sep 23, 2017 · What does the Greek "E"-like symbol mean? Ask Question Asked 8 years, 2 months ago Modified 3 years, 10 months ago

Jun 25, 2014 · I have started seeing the "∈" symbol in math. What exactly does it mean? I have tried googling it but google takes the symbol out of the search.

Dec 2, 2012 · Where did these symbols come from? Like Pi, Fee and this weird E/sideways M and the triangle.

I think I've figured out the E thing. It isn't the intersection, but his notation for comprehension. Page 181 has some clarifying examples of use. E then probably stands for ensemble.

I've encountered this symbol that looks like a capital $\mathbb {E}$ (with double vertical lines), which I am not familiar with, and I have no idea what to search for to find what it means, so …

Feb 8, 2016 · I would like to collect the best examples so as to be able to give some of the high-school students I tutor in math a sense of some of the deep connections between different …

Dec 5, 2023 · 12 The use of the "ln" abbreviation for natural logarithm is a bad thing because it makes people think that "log" is one thing and "ln" is another thing, and ask what's the …

Apr 9, 2015 · @TravisJ: Functions are about the "mathiest" thing there is; it's bizarre to log onto a math site and tell mathematicians that functions are "programatical" instead of "mathy".

I know there are many ways of calculating (or should I say "ending up at") the constant e. How would you explain e concisely? It's a rather beautiful number, but when friends have asked me …