1 grad =60minute,1minut =60secunde.exact ca la ora
ex 24 °=?minute⇒24°=24·60'=1440'
22°=?secunde⇒22°=22·60·60"=79200"
1550'=?grade⇒1550'=1550:60=25°50'(aici nu se face impartire cu virgula ce da rest raman minute)
60000"=?minute⇒60000"=60000:60=1000'
50000"=?grade⇒50000"=50000:60=833'20"=(833:60)°20"=13°53'20"
sper sa intelegi