| arch | Rope reduction to elliptical arch. |
| cartesian | To convert from Geographic coordinate to Cartesian coordinate. |
| 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. |
| geodesic | To convert from Cartesian coordinate to Geographic coordinate. |
| geodis | Reduction of the horizontal distance to the Ellipsoid. |
| 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. |
| radians | To convert separated data in Degrees Minutes and Seconds to Radians. |
| read_data | Read data in csv. |
| rSL | To calculate the value of r, S and L. |
| scalfactor | To calculate scale factor calculation. |
| sexagesimal | To convert separated data in Degrees Minutes and Seconds to Decimal degrees. |
| Sin_1 | Contains the values of sin 1". |
| TO_TM | To convert from Geographic coordinate to TM. |
| UTMtoLongLat | To convert from UTM to Geographic coordinate. |
| UTM_zone_hemisphere | To find the zone hemisphere from Longitude and Latitude the UTM zone. |