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 \(\sqrt 5 = 2.236067977...\) ...

THIS is a plainly written and well-arranged book of secondary grade, quite worthy of the crucial test which only practical teachers can apply. Among its praiseworthy features may be mentioned the ...

THIS textbook is designed to cover a school course in algebra up to the stage of the advanced papers in school certificate examinations. It is divided into two parts, the first comprising twelve good ...