Guide and tools for working with topographic maps.The application contains:- Symbols of Russia and the Soviet Union topographic maps;- Alphabetical list of abbreviations and acronyms found on topographic maps;- Coordinate converter that converts the geographic coordinates of various formats to the formats most commonly used in navigation tools, applications and online services;- Caller topographic map sheet in razgrafki system and nomenclature of topographic maps the coordinates point of interest;- Calculation of the magnetic azimuth of the true azimuth and azimuth;- Translation distances measured on a map (CM), in real values (KM) and vice versa.