Nautical Calculation Companion

While traditional navigation has been largely superseded by GPS, it remains a valuable skill, an enjoyable pastime, and is necessary for some navigation and training courses. This handy, splash-proof, on-the-water reference guide is an aide memoire of those calculations frequently needed (but often forgotten) for traditional coastal and offshore navigation, as well as other equations and formulae which can be useful afloat.

Each topic has worked examples, and there are frequent diagra…