Then click the Equation button in the Symbols button group on the right end of the tab. Right-click and then choose Update Field on the shortcut menu. MS Word has been evolving fast.
To do this click inside the last cell in the fourth column click on Layout in the ribbon and then click on Formula at the far right.
However if you delete or move a caption you must manually start a caption update. Type the equal sign followed by the constants and operators up to 8192 characters that you want to use in the calculation. Then find Ink Equation button at the left side of. If you know the name of a symbol simply type followed by the symbol name.