Abstract: The present invention provides a measuring instrument for measuring and displaying a measurable parameter having at least one surface (10), said surface comprising: (a) a pointer pined (30) to said surface, comprising a set of N (numbers for example) symbols disposed along the main longitudinal axis of the same; said N (numbers for example) is an integer greater than or equals to 0; (b) a pre-shaped member (20); (c) means adapted to constantly rotate said elongated pointer (30) around said pre-shaped member (20) on said surface (10) or said pre-shaped member (20) around said elongated pointer (30); wherein said measurable parameter is defined as said N th (numbers/tenth for example) symbol in which an intersection between said pointer (30) with said pre-shaped member (20) is provided.