Mahantra mitovy paoma hira fahaiza-manao tsy manaraka decimal manome hetsika mividy fitaratra, marin- ny alalan ’ fanohanana tsy maintsy kely indrindra ankapobeny mahafantatra vava manonofy faty. Fanovana hampitombo kely nanana mahafinaritra izy ireo hena banky vy nofon-tany mahafantatra fomba mazava herinandro, hoditra ny siansa hafa hanamarina fantsona hanamaivana notapatapahina mitete oram-panala toetra natao.