1, open word and select formula to copy;

2. Open the PowerPoint document and move the cursor to the position where you want to insert the formula;

3. On the Start tab, press the small arrow under Paste, and then click Paste Special.

4. Next, you can choose a format, and there are two main formats that are the best;

(1). Picture (enhanced metafile)

This pasted picture is very clear, even if it is enlarged, it is not ugly.

(2).Microsoft Office Word document object

In this case, it is equivalent to inserting a Word document, so this definition is the best. But the machine that plays PowerPoint slides must have Word program installed.