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Tools
Coordinates
converter >>> using this form you can convert the minutes
seconds coordinates to decimals and the opposite
Pressure
converter >>> using this toll you can compute the
pressure at sea level from the pressure and temperature at every
altitude
Sunset
and Sunrise >>> using this form you can compute the
sunset and sunrise time in every epoch and every place
Distance
calculator >>> using this form you can compute the
distance in km between 2 point on the Earth
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