Math Notes is introduced in the latest version of iOS and iPadOS 18. It automatically calculates math equations and displays the results as you write. You can use it to solve various math problems and ...

THIS excellent elementary treatise is too well known to require detailed description in these columns, so we need only refer to the changes which have been made by the reviser of the new and enlarged ...

THE Practical Geometry by Messrs. Le Neve Foster and Dobbs consists of a collection of more than seven hundred examples, grouped in sets, each set illustrating some fundamental geometrical principle, ...