Available Calculations
- Celestial Navigation Calculators
    
- Altitude Correction for Air Temperature
 - Altitude Correction for Atmospheric Pressure
 - Altitude Factors & Change of Altitude
 - Compass Error from Amplitudes Observed on the Celestial Horizon
 - Compass Error from Amplitudes Observed on the Visible Horizon
 - Latitude and Longitude Factors
 - Meridian Angle and Altitude of a Body on the Prime Vertical Circle
 - Pub 229
 - Table of Offsets
 
 - Conversions
 - Distance Calculators
    
- Dip of Sea Short of the Horizon
 - Distance by Vertical Angle Measured Between Sea Horizon and Top of Object Beyond Sea Horizon
 - Distance by Vertical Angle Measured Between Waterline at Object and Sea Horizon Beyond Object
 - Distance by Vertical Angle Measured Between Waterline at Object and Top of Object
 - Distance of an Object by Two Bearings
 - Distance of the Horizon
 - Geographic Range
 - Length of a Degree of Latitude and Longitude
 - Meridional Parts
 - Speed for Measured Mile and Speed, Time, and Distance
 - Traverse Table
 
 - Sailings Calculators
 - Weather Data Calculators