👉 In mathematics and computer science, an approximation is a representation of a real number or other mathematical object that closely matches or nearly matches another real number or object to within a specified amount. This can be achieved through various techniques such as rounding, truncation, or interpolation. An example of an approximation is the decimal representation of a number, which uses digits from 0 to 9 to represent numbers with a certain precision. For instance: ``` 123.45678 ``
