New posts in approximation

Rational function approximation to square root

real-analysis algebra-precalculus binomial-coefficients approximation elementary-functions

Proof that $\frac{2}{3} < \log(2) < \frac{7}{10}$

inequality logarithms approximation alternative-proof pi

$\lim_{n\to\infty} f(2^n)$ for some very slowly increasing function $f(n)$

sequences-and-series approximation

Intuitively, why is the Euler-Mascheroni constant near $\sqrt{1/3}$?

sequences-and-series number-theory approximation euler-mascheroni-constant

Minimum of the Gamma Function $\Gamma (x)$ for $x>0$. How to find $x_{\min}$?

calculus approximation gamma-function numerical-methods special-functions

Why do we need an integral to prove that $\frac{22}{7} > \pi$?

approximation pi

How to show this formula to get a square root of a number in "just few seconds" is true?

calculus approximation radicals

Why $e^{\pi}-\pi \approx 20$, and $e^{2\pi}-24 \approx 2^9$?

power-series approximation pi laurent-series q-series

Finding asymptotic growth using the Laplace Method

integration asymptotics approximation laplace-method

Convert light frequency to RGB?

algorithm language-agnostic rgb formula approximation

Approximation of $ \int_0^\infty x^{1/2} e^{-x t} \sin (a x^{1/2})dx$ -- rapidly oscillating

integration approximation

Almost Stirling's Approximation

integration approximation factorial upper-lower-bounds

Happy $\pi$-day! Is it true that $\sum_{p \;\text{prime} } \frac{1}{{\pi}^p} < \pi -\lfloor \pi \rfloor$?

real-analysis calculus sequences-and-series approximation pi

Approximating Lambert W-function as a fraction of logarithm

real-analysis calculus approximation lambert-w

Why this approximation for $\pi$ is so accurate?

approximation pi

What is the fastest algorithm for finding the natural logarithm of a big number?

logarithms approximation

Maximum of Polynomials in the Unit Circle

probability complex-analysis approximation

Nested solutions of a quadratic equation.

algebra-precalculus approximation quadratics continued-fractions nested-radicals

Evaluate the following function using as many significant figures as required to get a final result of 4 digits accuracy

sequences-and-series numerical-methods approximation approximation-theory

What does it mean for a polynomial to be the 'best' approximation of a function around a point?

real-analysis calculus taylor-expansion approximation