Nautical Calculators Sunday, 29 November 2009 19:08 The Nautical Calculators can be used to solve many of the equations and conversions typically associated with marine navigation. Use the Options Menu above to select a category of Nautical Calculator. Infomarine On-Line Technical Library File Description File size calculators.zip Each calculator page is a self-contained JavaScript program that can be downloaded and used off-line. 48 Kb Read more...