Amazing app
Really helpful who ever created this is really smart thanks a lot this is really helpful
$1.00
About
This tool simplifies celestial navigation calculations for sailors and students. It handles angle and time arithmetic, averages multiple sights, and features a specialized keypad. Offers day and night modes for usability at sea.
✓Angle calculations in DD° MM.m'
✓Time calculations with H:M:S
✓Average multiple sights
✓Custom color-coded keypad
✓Day and night modes
✓Scrollable results tape
✓Offline functionality
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What's New in Sextant Calculator
1.0
January 13, 2026
User reviews
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FAQ
What is Sextant Calculator used for?
Sextant Calculator is designed to simplify the arithmetic involved in celestial navigation sight reductions. It helps users perform angle and time calculations, average multiple sights, and manage chronometer checks without manual errors.
How does Sextant Calculator handle angles?
You can enter angles in degrees and decimal minutes (DD° MM.m') format. The app allows for easy addition, subtraction, and division of these angles, which is crucial for working with sun, star, and planet sights.
Can Sextant Calculator be used offline?
Yes, Sextant Calculator works offline, meaning no internet connection is required. This makes it a reliable tool for navigation calculations even when you are at sea or in remote locations without connectivity.
What makes Sextant Calculator's keypad special?
The app features a custom, color-coded keypad specifically designed for navigation calculations. This purpose-built interface ensures that each button has a dedicated function, preventing the need to fumble with a standard calculator.
Does Sextant Calculator have a night mode?
Yes, Sextant Calculator includes a red night mode. This feature is essential for practical celestial navigation at sea, as it helps preserve your dark adaptation during night watches.
How much does Sextant Calculator cost?
Sextant Calculator is available for a one-time purchase price of $1.00. This one-time payment grants you full access to all its features without any recurring fees or subscriptions.
What devices does Sextant Calculator support?
Sextant Calculator is supported on iPhone and iPod devices. It is designed to provide a seamless experience on these Apple mobile platforms.
Does Sextant Calculator have ads?
No, Sextant Calculator does not contain advertisements. As a paid application, it offers an uninterrupted user experience free from any in-app ads.
