Converts all characters in a text string to uppercase.
Hàm này hoạt động trong Google Sheets giống như trong Excel — cùng cú pháp và đối số.
UPPER(text)The UPPER function takes a text string as input and returns the same string with all lowercase letters converted to uppercase. Characters that are not letters, such as numbers and punctuation, remain unchanged.
=UPPER("hello")Kết quả: HELLO
Converts the lowercase word 'hello' to uppercase.
=UPPER("Excel 2024")Kết quả: EXCEL 2024
Converts letters to uppercase while leaving numbers and spaces unchanged.
No, the UPPER function only affects alphabetic characters and ignores numbers, symbols, and spaces.