Enter PPT and click "insert->; Object ",in the dialog box that opens, find and click" Microsoft Formula 3.0 ". Open the Formula Editor window. In the upper part of the window, various formula symbols are listed, and the formula editing area is below.

Clicking a mathematical symbol will expand a specific symbol type for selection.

Enter or insert numbers and symbols in the dashed box in the formula editing area. ......

After editing the formula, click Menu->; Exit and return to the presentation ",and the formula will be inserted into the current slide. The position and size of the formula can be adjusted.

Step reading