How is this approximation derived?
136455
What's the name of the approximation $(1+x)^n \approx 1 + xn$?
105107
How to explain the following definition of $\lim\sup s_n$ intuitively?
32744
A clarification in a limit
83022
Proof of this fairly obscure differentiation trick?
65700
Deriving Birkhoff's Theorem
88971
An approximate eigenvalue for $ T \in B(X) $.
104172
What does "very approximate" mean?
51407
How is the simplified version (below) of the Bromwich inverse Laplace transform integral derived?
2378
Big O, how do you calculate/approximate it?
126040
Geometric explanation of $\sqrt 2 + \sqrt 3 \approx \pi$
1401
$\sqrt{7\sqrt{7\sqrt{7\sqrt{7\sqrt{7\cdots}}}}}$ approximation
68116
How to derive this version of variance formula
91193
Natural log approximation
111596
Epsilon Delta Limit Intuition
15618
Can Mathematica propose an exact value based on an approximate one?
63672
Understanding a particular evaluation of $\prod\limits_{n=2}^{\infty}\left(1-\frac{1}{n^3}\right)$
153300
Uniform approximation by even polynomial