Watch this video to learn about the rules of surds. For example, \(\sqrt 4 = 2\) is not a surd. However \(\sqrt 5\) is a surd. If you use a calculator, you will see that \(\sqrt 5 = 2.236067977...\) ...

The Department of Education (DepEd) remains steadfast in promoting transparency, integrity, and accountability by making basic education data accessible to the public which empowers internal and ...

The library can be used since .NET 4.0 or .NET Standard 1.3. It's also CLS compliant to allow use in VB.NET. The Rationals library is an alternative to BigRational found in BCL. Its implementation is ...

National 5 Simplifying expressions using the laws of indices Test questions Indices show where a number has been multiplied by itself, eg squared or cubed, or to show roots of numbers, eg square root.

This repository contains regular expression (regex) patterns for validating phone numbers & postal codes for All countries. I will be happy if you find a wrong pattern or find a problem.