A fraction bar needs brackets

When a fraction bar covers an expression, place the top and bottom in brackets. Press , type 18, press , type 6, and press . Press , press , type 15, press , and type 8. The last closing bracket can be omitted, so press only. The result is $\displaystyle 24 \div 7 =$ 3.428571429.

▶ Watch this step in the video (12:20)