Expanded Notation is a way to write math expressions that are more readable and concise. It is based on the standard Notation used in mathematics, but it includes some new symbols and conventions.

Expanded Notation was developed in the late 1800s by mathematicians to make their work more readable. At first, it was used only in academic papers and books, but over the years it has become more common in the scientific community.

Today, mathematicians, engineers, and scientists use expanded Notation all over the world. It is especially popular in Europe, where the notation is more commonly used than in the United States.

In Expanded Notation, each symbol is pronounced exactly as it is written. For example, the symbol for a plus sign (+) is pronounced “plus.” The symbol for a minus sign (-) is pronounced “minus.”

There are several different versions of Expanded Notation, but the most common is called “traditional” Expanded Notation. In traditional Expanded Notation, each symbol is pronounced as a separate letter. For example, the symbol for a plus sign is pronounced “plee-us.”

There is also “lowercase” Expanded Notation, which is used in countries where the letters “a” through “j” are not used in the English language. In lowercase Expanded Notation, the symbols for the plus sign and the minus sign are pronounced “plus” and “minus,” respectively.

Finally, there is “uppercase” Expanded Notation, which is used in countries where the letters “a” through “Z” are used in the English language. In uppercase Expanded Notation, the symbols for the plus sign and the minus sign are pronounced “PLUS” and “MINUS,” respectively.

Overall, Expanded Notation is a more readable way to write math expressions. It is especially useful for scientists and engineers who need to write complex math expressions quickly and accurately.