1, The full form of Mr is Mister. It’s used on Academic & Science ,Language & Linguistics in Worldwide

Mister (Mr. or Mr) is a title used before a man’s name or position.

1. refer to a man without a higher or honorific or professional title.

Example:
Mr. Mithun Mathew

2. a title used before the name of a man’s position.

Example:
Mr President

3. a title placed before the surname of a male surgeon in the United Kingdom.

Note:

Mr : the abbreviation Mr without the period (full stop) is mostly used in the United Kingdom

Mr. : the abbreviation Mr. with the period (full stop) is mostly used in the United States

2, The full form of Mr is Mister. It’s used on Academic & Science ,Language & Linguistics in Worldwide

Mister (Mr. or Mr) is a title used before a man’s name or position.

1. refer to a man without a higher or honorific or professional title.

Example:
Mr. Mithun Mathew

2. a title used before the name of a man’s position.

Example:
Mr President

3. a title placed before the surname of a male surgeon in the United Kingdom.

Note:

Mr : the abbreviation Mr without the period (full stop) is mostly used in the United Kingdom

Mr. : the abbreviation Mr. with the period (full stop) is mostly used in the United States