This does not compute??......
I intend to search the internet and other sources diligently for any type of calculators useful to a voyager. Categorization will follow, and occasionally I may find time to create a few (see "our links").
Range & Fuel Cost
Bridge Clearance Calculator for Mississippi & Illinois Rivers
Bridge Clearances for Black Warrior - Tombigbee Waterway
Great Circle Calculator.....by Ed Williams
Greenwich Mean Time Conversion Tables
Gavin Atkin Boat Design Software
Gavin Atkin Boat Design Rules