Nautical Calculator

Nautical Calculator is an Android application that calculates rhumb line and great circle navigation.

The application is totally free.

The main functions are:

- Given two coordinates, great circle and rhumb line courses, distances, great circle vertex and meridional parts is calculated, is show graphics.

- Given a position, new position is determined by advancing it for courses and distances.

- Wheel Over calculation

- Compass detections

- Draft survey

- Converter

- Utility

other features can be enabled.

- Calculate Average speed

- E.T.A. calculation

- Route plan, for manual waypoints planning

- Waypoint route

- Route mix with parallel limit

- Rhumb Line Parallel/Meridian intersection

- Follow on same Rhumb Line route

- Opposite course rendez vous

- Route correction

- Calculate Amplitude at sunset and sunrise

- Compass Error

- Solves Drift problem

- Solves Tides problem

- Solves Tidal current problem

- Wind calculation with Beaufort classification

- ABC Tables (azimuth, initial course, right ascension with unknow star)

- Nautical almanac

- Celestial Navigation with position line

- Meridian transit

- Celestial observation

- Coastal navigation

In routes feature there is a world map: it isn't a nautical chart and is not for use as a saling chart, but as a simple general means of showing the courses through the water on earth, this map isn't for navigational purposes.

No need connection for show the map; the map will be downloaded only one time.

The map, for size limit, will be show for scale over 60-70 Nm.

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Nautical Calculator是一个Android应用程序，用于计算菱形线和大圆圈导航。

该应用程序是完全免费的。

主要功能是：

-给定两个坐标，大圆和菱线路线，距离，大圆顶点和子午线部分被计算出来，是显示图形。

-给定职位，就其前进路线和距离来确定新职位。

-转轮计算

-指南针检测

-草稿调查

-转换器

- 效用

可以启用其他功能。

 -计算平均速度

 -E.T.A.计算

 -路线计划，用于手动航路点计划

 -航点路线

 -具有平行极限的混合路线

 -大黄线平行/子午线交叉点

 -按照相同的大黄线路线

 -对面的路线集合

 -路线校正

 -计算日落和日出时的振幅

 -指南针错误

 -解决漂移问题

 -解决潮汐问题

 -解决潮流问题

 -使用Beaufort分类进行风计算

 -ABC表格（方位角，初始航向，未知星向右提升）

 -航海历书

 -带位置线的天体导航

 -经络运输

 -天体观察

 -沿海导航

在路线功能中有一张世界地图：它不是航海图，也不用作销售图，但作为一种简单的显示地球上水域路线的通用方法，该地图并非用于导航。

无需连接即可显示地图；该地图将仅下载一次。

对于尺寸限制，将显示比例尺超过60-70 Nm的地图。

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