• Select Insert > Equation or press Alt + =.
• To use a built-in formula, select Design > Equation.
• To create your own, select Design > Equation > Ink Equation.
• Use your finger or mouse to write your equation.

select Design > Equation > Ink Equation. Use your finger, stylus, or mouse to write your equation.

If an equation is required, add it or compose it in Word.
1.Insert > Equation or press Alt + = to insert an equation.
2. Select Design > Equation to utilize a built-in formula.

3.Select Design > Equation > Ink Equation to make your own.
4.Write your equation with your finger, a stylus, or a mouse.

Select Insert > Equation or press Atl+=.