E2                      To calculate 1-e^2.
E3                      To calculate 1-e^2*sen(lat)^2.
Ellipsoids              Contains the values for conversion of the
                        Ellipsoids PSAD-56, SAD-69, WGS-84, GRS-80
                        SIRGAS.
LongLatToUTM            To convert from Geographic coordinate to UTM
                        coordinate.
M                       To calculate the value of M.
N                       To calculate the value of N.
PlotLongLat             To plot using Geographic coordinate WGS84.
Sin_1                   Contains the values of sin 1".
TO_TM                   To convert from Geographic coordinate to TM.
UTM_zone_hemisphere     To find the zone hemisphere from Longitude and
                        Latitude the UTM zone.
UTMtoLongLat            To convert from UTM to Geographic coordinate.
arch                    Rope reduction to elliptical arch.
cartesian               To convert from Geographic coordinate to
                        Cartesian coordinate.
geodesic                To convert from Cartesian coordinate to
                        Geographic coordinate.
geodis                  Reduction of the horizontal distance to the
                        Ellipsoid.
rSL                     To calculate the value of r, S and L.
radians                 To convert separated data in Degrees Minutes
                        and Seconds to Radians.
read_data               Read data in csv.
scalfactor              To calculate scale factor calculation.
sexagesimal             To convert separated data in Degrees Minutes
                        and Seconds to Decimal degrees.
