GCVertex Calculator

1.0.2

ESchoTNav

0.00

0 reviews

10+
Downloads

Free

Great Circle Calculator

About GCVertex Calculator

GCVertex Calculator is a maps & navigation app developed by ESchoTNav.

Download Statistics

GCVertex Calculator has been downloaded 15 times. In the last 30 days, the app was downloaded 5 times.

User Ratings

The app has no ratings yet.

App Information

GCVertex Calculator is FREE to download. The APK download size is 7.00 MB. The latest version available is 1.0.2. The last update was on July 26, 2026.

Technical Requirements

The app has a content rating of Everyone. The app has been available on Google Play January 2026.

Description

Great Circle Calculator is a professional navigation utility for calculating great-circle (orthodrome) routes on a spherical Earth.

The app allows users to enter departure and arrival coordinates in decimal degrees and computes key navigational values used in marine and aviation navigation.

Features

Great-circle distance (nautical miles and kilometers)

Initial true course (0–360°)

Final true course

Northern and southern great-circle vertices (maximum and minimum latitude)

Correct handling of longitude normalization and International Date Line crossings

Technical details

Spherical Earth model (orthodrome)

Calculations based on classical great-circle navigation theory

Input and output in decimal degrees

Courses are true courses (not magnetic)

Intended use

This app is designed for navigators, sailors, pilots, students, and anyone interested in terrestrial navigation and spherical geometry.
It is a calculation tool only and does not provide real-time navigation or positioning.

Data & privacy

No user data is collected

No tracking

No ads

No internet connection required (except for optional external links)

Recent changes:
Added a link to Neptune's Route on Google Play

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More data about GCVertex Calculator

Price	Free to download
Total downloads	15
Recent downloads	5
Rating	No ratings
Ranking	Not ranked
Version	1.0.2
APK size	7.00 MB
Number of libraries	?
Suitable for	Everyone
Ads	NO ads

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Alternative downloads for the GCVertex Calculator app

GCVertex Calculator compared with similar apps

Common keywords of similar apps

Spherical True Orthodrome Earth Degrees Courses Great Circle Navigation Calculator App Decimal Data

Keywords missing from this app

Compass Location Direction Magnetic Map Gps Converter Accurate Accuracy North Line Calculate Route Recent Solves Distance Nautical Points Formulas Features Time Application Calculation Problem Device Calculations Share Rhumb Point Information Position Area Precision Coordinate Utm Conversion Digital Functions Coordinates Mgrs Multiple Gnss Support

Downloads over time

GCVertex Calculator has been downloaded 15 times. Over the past 30 days, it has been downloaded 5 times.

Changelog of GCVertex Calculator

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Developer information for ESchoTNav

ESchoTNav

terrestrialnavigation@gmail.com

Website

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Google Play Rankings for GCVertex Calculator

This app is not ranked

Technologies used by GCVertex Calculator

GCVertex Calculator is requesting 2 permissions and we don't have library information (yet).
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