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 …

One can, for example, approximate continuous functions with polynomial functions, in which case the idea is to keep the area between the original function and the approximating function …

Perhaps the correct option (and the one I am currently using) is $ (3)$ because of the transitivity of the symbols of equality $=$ and approximately $\approx$.

Feb 25, 2017 · An approximate identity (in the sense that you've described) is a sequence of operators, usually derived from some "nice" class, that converge to the identity operator in the …

Apr 12, 2016 · I have been wondering for a long time whether there is a unequivocal way to define and use the symbols commonly adopted for an approximate equality between two quantities. I …

Jul 7, 2017 · And he could approximate small values by performing some mental math to get an accurate approximation to three decimal places. For example, approximating $e^ {3.3}$, we …

Aug 12, 2015 · To indicate approximate equality, one can use ≃, ≅, ~, ♎, or ≒. I need to indicate an approximate inequality. Specifically, I know A is greater than a quantity of approximately B. …

Oct 15, 2023 · What are some of the most accurate and computationally efficient methods to approximate $ \sin (x) , \cos (x) , \tan (x) $ and $ \ln (x) $? Are there algorithms or formulas …

Jan 1, 2023 · How to approximate $e^ {-x}$ when $x$ is large Ask Question Asked 3 years ago Modified 3 years ago

Also you can calculate the area of the circle and then use A =r2π A = r 2 π. The same works with a sphere. But this methods will only give an approximate value, that accurate to 5-10 decimal …