# Category:Approximations

This category contains results about Approximations.

An approximation is an estimate of a quantity.

It is usually the case that there exists some knowledge about the accuracy of the estimate.

The notation:

$a \approx b$

indicates that $b$ is an approximation to $a$.

## Subcategories

This category has only the following subcategory.

## Pages in category "Approximations"

The following 6 pages are in this category, out of 6 total.