

Just switch to Insert tab and click Equation – Insert New Equation to toggle on Equation Tools.

If you don’t want to find these symbols separately and rather input the formula by handwriting, you can try the Ink Equation feature in Word 2016 and above versions. Click the symbol that you want to insert. Click the arrow next to the name of the symbol set, and then select the symbol set that you want to display. Under Equation Tools, on the Design tab, in the Symbols group, click the More arrow. On the Insert tab, in the Symbols group, click the arrow under Equation, and then click Insert New Equation. Dot Product In Microsoft Word Equation Editor.Dot Product In Microsoft Word Equation Numbering.
