| **Navigation:**  [[introduction.htm|Language Reference]] > 13 - Built-in Functions >====== UPPER (return upper case) ====== | [[update write from screen to use variables .htm|{{btn_prev_n.gif|Previous page}}]][[introduction.htm|{{btn_home_n.gif|Return to chapter overview}}]][[val return ascii value .htm|{{btn_next_n.gif|Next page}}]] | | || **UPPER(**//string//**)** {{blk2blue.jpg|blk2blue.jpg}} | **UPPER** | Returns all upper case string. | | //string// | A string constant, variable, or expression for the //string// to be converted. | The **UPPER** procedure returns a string with all letters converted to upper case. **Return Data Type:     **STRING **Example:** ** !UPPER('abc') returns 'ABC'** **Name = ****UPPER****(Name)   !Make the name upper case** **See Also:** [[lower return lower case .htm|LOWER]] [[isupper return upper case character .htm|ISUPPER]] [[islower return lower case character .htm|ISLOWER]]