👉 A realterable is an object that can be used to represent a number. It represents a type of measurement or value in a way that allows for comparisons between different numbers, such as integers, fractions, and decimals. Realters are often used in scientific notation, where they represent very large or small numbers by placing them in front of the decimal point. For example, in scientific notation, 1.23456 can be represented as "1.23 x 10