Nautical Calculator App Support

What is Nautical Calculator? Description of Nautical Calculator 3249 chars

Nautical Calculator is an easy to use app to help solve the equations and conversions typically associated with marine navigation and includes celestial calculators, conversions calculators, distance calculators, logarithm and trigonometry calculators, and sailings calculators.

This app is the finest nautical calculator you will find for the Apple iPhone, iPad, and iPod Touch and includes the computations, tables, and full text of the "The American Practical Navigator" by Nathaniel Bowditch.

With more than 35 nautical calculations, unit conversions and reference material, we are sure you will find this app convenient in solving the planning and navigating problems associated with marine navigation.

Calculations Include:

Celestial Navigation Calculators
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1. Compass Error from Amplitudes Observed on the Visible Horizon
2. Altitude Correction for Air Temperature
3. Table of Offsets
4. Latitude and Longitude Factors
5. Altitude Correction for Atmospheric Pressure
6. Altitude Factors & Change of Altitude
7. Pub 229
8. Compass Error from Amplitudes Observed on the Celestial Horizon
9. Meridian Angle and Altitude of a Body on the Prime Vertical Circle


Conversions Calculators
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1. Chart Scales and Conversion for Nautical and Statute Miles
2. Conversion for Meters, Feet and Fathoms


Distance Calculators
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1. Length of a Degree of Latitude and Longitude
2. Speed for Measured Mile and Speed, Time, and Distance
3. Distance of an Object by Two Bearings
4. Distance of the Horizon
5. Distance by Vertical Angle Measured Between Sea Horizon and Top of Object Beyond Sea Horizon
6. Traverse Table
7. Geographic Range
8. Distance by Vertical Angle Measured Between Waterline at Object and Top of Object
9. Dip of Sea Short of the Horizon
10. Distance by Vertical Angle Measured Between Waterline at Object and Sea Horizon Beyond Object
11. Meridional Parts


Log and Trig Calculators
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1. Log10
2. tangent
3. cosecant
4. sine
5. cotangent
6. cosine
7. secant

Sailings Calculators
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1. Great Circle Sailing
2. Mercator Sailing


Time Zones Calculators
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1. Time Zones
2. Zone Descriptions, and Suffixes


Weather Data Calculators
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1. Direction and Speed of True Wind
2. Correction of Barometer Reading for Height Above Sea Level
3. Correction of Barometer Reading for Gravity
4. Temperature Conversions
5. Relative Humidity and Dew Point
6. Correction of Barometer Reading for Temperature
7. Barometer Measurement Conversions


Included Reference Documents
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1. AMERICAN PRACTICAL NAVIGATOR - VOL 1
2. AMERICAN PRACTICAL NAVIGATOR - VOL 2
3. SIGHT REDUCTION TABLES VOL 1 0° - 15°
4. SIGHT REDUCTION TABLES VOL 2 15° - 30°
5. SIGHT REDUCTION TABLES VOL 3 30° - 45°
6. SIGHT REDUCTION TABLES VOL 4 45°- 60°
7. SIGHT REDUCTION TABLES VOL 5 60°- 75°
8. SIGHT REDUCTION TABLES VOL 6 75°- 90°


Learn more at http://www.NauticalCalculator.com

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This app has been updated by Apple to display the Apple Watch app icon. Bug fix. While calculating meridional parts for Mercator sailing, there was an error when working with negative numbers. The issue is now corrected. Thank you ship’s Master A....