You asked for more calculators and we've added them. Boating Calcs has over 120 boating calculations and unit conversions and 120 reference pages. With Boating Calcs you can quickly and easily solve a variety of boating calculations from your iPhone or iPad. Not just calculators, but the ability save and open saved calculations and add calculators to a favorites list. You can also email calculator inputs and results so you can easily share your calculations. Search functionality enables you to quickly find the calculator you want. Chapters: * Area, Angles & Volume * Communications References * Unit Conversions * Finance Calculations * Fuel Calculations * Glossary / Acronyms * Line Calculations and References * Knot References * Mechanical & Electrical Calculations * Performance Calculations * Piloting Calculations * Propeller Reference and Calculations * Weather & Waves Reference and Calculations If there's a calculator or reference material you'd like to see added, visit our website and send us an email.