Feb 1, 2014 · You may have heard of this game called flappy bird, but even if you haven't, you should be able to understand this basic game: The player progresses through a series of obstacles. The …

Nov 21, 2024 · Q&A for people studying math at any level and professionals in related fields

Nov 18, 2024 · Q&A for people studying math at any level and professionals in related fields

Dec 8, 2014 · I am currently doing a math problem and have come across an unfamiliar notation. A mini circle between $f$ and $h (x)$ The question ask me to find for 'the functions $f (x)=2x-1$ and $h …

In mathematical notation, what are the usage differences between the various approximately-equal signs "≈", "≃", and "≅"? The Unicode standard lists all of them inside the Mathematical Operators B...

5 days ago · What is probability distribution function of the sum of two independent random variables when one variable is correlated with itself?

Dec 8, 2025 · I got the values of both ln π and π/e, but they are not the same. Somehow, I managed to equate them in one equation. Is my math correct?enter image description here

6 days ago · I am somehow confused by "no blowups" condition in Clay Math formulation of Navier-Stokes. Isn't it easy to prove that for a smooth solution the energy can only decrease and …

Dec 9, 2025 · What's the name of something where you can't cancel it out? To explain what I mean, $\\sin(450^\\circ)=\\sin(90^\\circ)$ doesn't mean that $450=90$ $\\lvert17\\rvert=\\lvert-17\\rvert$ …

Dec 6, 2025 · Note: this post is the speculation of a non-mathematician who is learning by playing with unreasonably hard topics like a toy (i.e. meaninglessly, as you'll see) As I understood, in some cases …