It is of interest to note that these new maritime charts appeared soon after Leonardo of Pisa, (himself a merchant's son), had introduced the study of Euclid's geometry to the Italian world.
Kwakuba semdleni ukuqwalaselwa ukuba ezintsha zaselwandle kwishati inkangeleko msinya emva loLeonardo wase Pisa (yayingunyana womrhwebi) waziswa ngemfundo yeCudid's yejometri kwilizwe lase Italiyani.