"106391088"@en-us . . . "0"^^ . . "positional notation"@en-us . "106809421"^^ . . . "positional notation"^^ . . . "positional representation system"@en-us . "06809421-n"^^ . "a numeration system in which a real number is represented by an ordered set of characters where the value of a character depends on its position"@en-us . "0"^^ . . . "105099347"@en-us . .