Question

a number or letter that appears little above the normal text is called

Answer 1

Subscript and Superscript is a number or letter that appears little above the normal text

Answer 2

A "number or letter" that appears "little above" the "normal text" is called as superscript. At the same time, there is a "subscript", in which a number or letter that appears little "below" the "normal text". Usually, this superscript or the subscript is used to represent a mathematical values. These are used by clicking the insert option and selecting the special characters.