Start with http://www.progonos.com/furuti/MapProj/Normal/TOC/cartTOC.html http://www.progonos.com/furuti/MapProj/Normal/TOC/cartTOC.ht... If you want formulas,

Start with http://www.progonos.com/furuti/MapProj/Normal/TOC/cartTOC.html http://www.progonos.com/furuti/MapProj/Normal/TOC/cartTOC.ht... If you want formulas, https://pubs.er.usgs.gov/publication/pp1395 https://pubs.er.usgs.gov/publication/pp1395 If you want to know more, there are many books about cartography.